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Author Almkvist, O.; Bosnes, O.; Bosnes, I.; Stordal, E. url  doi
  Title Selective impact of disease on short-term and long-term components of self-reported memory: a population-based HUNT study Type Journal Article
  Year 2017 Publication BMJ Open Abbreviated Journal BMJ Open  
  Volume 7 Issue 5 Pages e013586  
  Keywords Hunt; disease; health; long-term memory; short-term memory; subjective memory  
  Abstract BACKGROUND: Subjective memory is commonly considered to be a unidimensional measure. However, theories of performance-based memory suggest that subjective memory could be divided into more than one dimension. OBJECTIVE: To divide subjective memory into theoretically related components of memory and explore the relationship to disease. METHODS: In this study, various aspects of self-reported memory were studied with respect to demographics and diseases in the third wave of the HUNT epidemiological study in middle Norway. The study included all individuals 55 years of age or older, who responded to a nine-item questionnaire on subjective memory and questionnaires on health (n=18 633). RESULTS: A principle component analysis of the memory items resulted in two memory components; the criterion used was an eigenvalue above 1, which accounted for 54% of the total variance. The components were interpreted as long-term memory (LTM; the first component; 43% of the total variance) and short-term memory (STM; the second component; 11% of the total variance). Memory impairment was significantly related to all diseases (except Bechterew's disease), most strongly to brain infarction, heart failure, diabetes, cancer, chronic obstructive pulmonary disease and whiplash. For most diseases, the STM component was more affected than the LTM component; however, in cancer, the opposite pattern was seen. CONCLUSIONS: Subjective memory impairment as measured in HUNT contained two components, which were differentially associated with diseases.  
  Address Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2044-6055 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28490551; PMCID:PMC5566596 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1874  
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Author Grov, E.K.; Fossa, S.D.; Dahl, A.A. url  doi
  Title A controlled study of the influence of comorbidity on activities of daily living in elderly cancer survivors (the HUNT-3 survey) Type Journal Article
  Year 2017 Publication Journal of Geriatric Oncology Abbreviated Journal J Geriatr Oncol  
  Volume 8 Issue 5 Pages 328-335  
  Keywords Adl; Activities of daily living; Cancer survivors; Comorbidity; Elderly; Home dwelling  
  Abstract OBJECTIVES: To examine the influence of somatic comorbidity on Activity of Daily Living (ADL) problems in cancer survivors >/=70years (ECSs) based on data from The Health Study of Nord-Trondelag County (HUNT-3) 2006-08. MATERIAL AND METHODS: Among participants of the HUNT-3 survey, 599 ECSs had a diagnosis of one invasive cancer according to both The Cancer Registry of Norway and self-report. Three controls without cancer aged >/=70years for each ECS were drawn from the HUNT-3 sample. We compared personal-ADL (P-ADL) and instrumental-ADL (I-ADL) problems for ECSs and differences between ADL problems for ECSs with and without comorbidity and controls with and without comorbidity. RESULTS: The prevalence of P-ADL problems was 3.5% among ECSs and 2.9% among controls (p=0.97) and for I-ADL 28.5% versus 21.4% (p=0.01), respectively. In bivariate analyses where ECSs versus controls was the dependent variable, presence of I-ADL problems, higher age, being female, paired relationship, poor self-rated health, hospitalization last year, and low level of neuroticism were associated being ECSs. In multivariate analyses, these variables, except I-ADL-problems and paired relationship, remained significantly associated being ECSs. No significant differences were shown for P-ADL problems when comparing ECSs and controls with comorbidity, and ECSs with and without comorbidity. ECSs with comorbidity reported significantly more I-ADL-problems than controls with comorbidity, and ECSs with comorbidity had significantly more I-ADL-problems than ECSs without comorbidity. CONCLUSION: Our results reflect common factors found in ADL studies in the elderly population. Health personnel have to be particularly observant on I-ADL problems among female ECSs, and those reporting poor self-rated health or comorbidity.  
  Address National Advisory Unit on Late Effects after Cancer Treatment, Oslo University Hospital, Norwegian Radium Hospital, 0424 Oslo, Norway; Faculty of Medicine, University of Oslo, 0316 Oslo, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1879-4068 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28629695 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1917  
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Author Grunseit, A.C.; Chau, J.Y.; Rangul, V.; Holmen, T.L.; Bauman, A. url  doi
  Title Patterns of sitting and mortality in the Nord-Trondelag health study (HUNT) Type Journal Article
  Year 2017 Publication The International Journal of Behavioral Nutrition and Physical Activity Abbreviated Journal Int J Behav Nutr Phys Act  
  Volume 14 Issue 1 Pages 8  
  Keywords Adult; Aged; Cardiovascular Diseases/*mortality; *Cause of Death; *Exercise; Female; Humans; Male; Middle Aged; *Posture; Proportional Hazards Models; Prospective Studies; Risk Factors; *Sedentary Lifestyle; Self Report; Young Adult; *Cardiovascular disease; *Epidemiology; *Mortality; *Sedentary behaviour  
  Abstract BACKGROUND: Current evidence concerning sedentary behaviour and mortality risk has used single time point assessments of sitting. Little is known about how changes in sitting levels over time affect subsequent mortality risk. AIM: To examine the associations between patterns of sitting time assessed at two time points 11 years apart and risk of all-cause and cardio-metabolic disease mortality. METHODS: Participants were 25,651 adults aged > =20 years old from the Nord-Trondelag Health Study with self-reported total sitting time in 1995-1997 (HUNT2) and 2006-2008 (HUNT3). Four categories characterised patterns of sitting: (1) low at HUNT2/ low at HUNT3, 'consistently low sitting'; (2) low at HUNT2/high at HUNT3, 'increased sitting'; (3) high at HUNT2/low at HUNT3, 'reduced sitting'; and (4) high at HUNT2 /high at HUNT3, 'consistently high sitting'. Associations of sitting pattern with all-cause and cardio-metabolic disease mortality were analysed using Cox regression adjusted for confounders. RESULTS: Mean follow-up was 6.2 years (158880 person-years); 1212 participants died. Compared to 'consistently low sitting', adjusted hazard ratios for all-cause mortality were 1.51 (95% CI: 1.28-2.78), 1.03 (95% CI: 0.88-1.20), and 1.26 (95% CI: 1.06-1.51) for 'increased sitting', 'reduced sitting' and 'consistently high sitting' respectively. CONCLUSIONS: Examining patterns of sitting over time augments single time-point analyses of risk exposures associated with high sitting time. Whilst sitting habits can be stable over a long period, life events (e.g., changing jobs, retiring or illness) may influence sitting trajectories and therefore sitting-attributable risk. Reducing sitting may yield mortality risks comparable to a stable low-sitting pattern.  
  Address Department of Public health and General practice, HUNT Research Centre, Faculty of Medicine, NTNU – Norwegian University of Science and Technology, Levanger, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1479-5868 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28122625; PMCID:PMC5267382 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1918  
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Author Gulati, A.M.; Hoff, M.; Salvesen, O.; Dhainaut, A.; Semb, A.G.; Kavanaugh, A.; Haugeberg, G. url  doi
  Title Bone mineral density in patients with psoriatic arthritis: data from the Nord-Trondelag Health Study 3 Type Journal Article
  Year 2017 Publication RMD Open Abbreviated Journal RMD Open  
  Volume 3 Issue 1 Pages e000413  
  Keywords Psoriatic arthritis; bone mineral density; osteoporosis  
  Abstract BACKGROUND: The risk of osteoporosis in patients with psoriatic arthritis (PsA) remains unclear. The aim of this study was to compare bone mineral density (BMD) measured by dual-energy X-ray absorptiometry (DXA) in patients with PsA and controls. PATIENTS AND METHODS: Patients with PsA and controls were recruited from the Nord-Trondelag Health Study (HUNT) 3. RESULTS: Patients with PsA (n=69) and controls (n=11 703) were comparable in terms of age (56.8 vs 55.3 years, p=0.32), gender distribution (females 65.2% vs 64.3%, p=0.87) and postmenopausal status (75.6% vs 62.8%, p=0.08). Body mass index (BMI) was higher in patients with PsA compared with controls (28.5 vs 27.2 kg/m(2), p=0.01). After adjusting for potential confounding factors (including BMI), BMD was higher in patients with PsA compared with controls at lumbar spine 1-4 (1.213 vs 1.147 g/cm(2), p=0.003) and femoral neck (0.960 vs 0.926 g/cm(2), p=0.02), but not at total hip (1.013 vs 0.982 g/cm(2), p=0.11). Controls had significantly higher odds of having osteopenia or osteoporosis based on measurements of BMD in both the femoral neck (p=0.001), total hip (p=0.033) and lumbar spine (p=0.033). CONCLUSION: Our population-based data showed comparable BMD in patients with PsA and controls. This supports that the PsA population is not at increased risk of osteoporosis.  
  Address Department of Rheumatology, Martina Hansens Hospital, Brum, Norway  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2056-5933 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28955483; PMCID:PMC5604602 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1919  
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Author Halvorsen, S.; Ghanima, W.; Fride Tvete, I.; Hoxmark, C.; Falck, P.; Solli, O.; Jonasson, C. url  doi
  Title A nationwide registry study to compare bleeding rates in patients with atrial fibrillation being prescribed oral anticoagulants Type Journal Article
  Year 2017 Publication European Heart Journal. Cardiovascular Pharmacotherapy Abbreviated Journal Eur Heart J Cardiovasc Pharmacother  
  Volume 3 Issue 1 Pages 28-36  
  Keywords Apixaban; Atrial fibrillation; Bleeding; Dabigatran; Non-vitamin K antagonist oral anticoagulants; Oral anticoagulants; Rivaroxaban; Warfarin  
  Abstract AIMS: We aimed to evaluate bleeding risk in clinical practice in patients with atrial fibrillation (AF) being prescribed dabigatran, rivaroxaban, or apixaban compared with warfarin. METHODS: Using nationwide registries (Norwegian Patient Registry and Norwegian Prescription Database), we identified AF patients with a first prescription of oral anticoagulants between January 2013 and June 2015. Patients were followed until discontinuation or switching of oral anticoagulants, death, or end of follow-up. The primary endpoint was major or clinically relevant non-major (CRNM) bleeding. RESULTS: In total 32 675 AF patients were identified (58% men, median age 74 years): 11 427 patients used warfarin, 7925 dabigatran, 6817 rivaroxaban, and 6506 apixaban. After a median follow-up of 173 days (25th, 75th percentile 84, 340), 2081 (6.37%) patients experienced a first major or CRNM bleeding. Using a Cox proportional hazard model adjusting for baseline characteristics, use of apixaban [hazard ratio (HR) 0.70, 95% confidence interval (CI) 0.61-0.80, P < 0.001] and dabigatran (HR 0.74, 95% CI 0.66-0.84, P < 0.001) were associated with a lower risk of major or CRNM bleeding compared with warfarin whereas use of rivaroxaban was not (HR: 1.05, 95% CI 0.94-1.17, P = 0.400). Use of dabigatran and rivaroxaban were associated with higher risk of gastrointestinal bleeding, whereas use of apixaban and dabigatran were associated with lower risk of intracranial bleeding, compared with warfarin. CONCLUSION: In this nationwide cohort study in AF patients, apixaban and dabigatran were associated with a lower risk of major or CRNM bleeding compared with warfarin. The risk of gastrointestinal bleeding was higher with rivaroxaban and dabigatran compared with warfarin.  
  Address HUNT Research Center, Faculty of Medicine, NTNU-Norwegian University of Science and Technology, Trondheim, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2055-6845 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27680880; PMCID:PMC5216196 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1920  
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Author Hansen, A.G.; Stovner, L.J.; Hagen, K.; Helvik, A.-S.; Thorstensen, W.M.; Nordgard, S.; Bugten, V.; Eggesbo, H.B. url  doi
  Title Paranasal sinus opacification in headache sufferers: A population-based imaging study (the HUNT study-MRI) Type Journal Article
  Year 2017 Publication Cephalalgia : an International Journal of Headache Abbreviated Journal Cephalalgia  
  Volume 37 Issue 6 Pages 509-516  
  Keywords Paranasal sinuses; headache; magnetic resonance imaging; migraine; opacification; sinus headache; tension headache  
  Abstract Background The association between headache and paranasal sinus disease is still unclear. Because of symptom overlap, the two conditions are not easily studied on the basis of symptoms alone. The aim of the present study was to investigate whether paranasal sinus opacification on magnetic resonance imaging (MRI) was associated with migraine, tension-type headache (TTH) or unclassified headache. Methods This was a cross-sectional study of 844 randomly selected participants (442 women, age range 50-65 years, mean age 57.7 years). Based on 14 headache questions, participants were allocated to four mutually exclusive groups: migraine, TTH, unclassified headache or headache free. On MRI, opacifications as mucosal thickening, polyps/retention cysts and fluid in the five paired sinuses were measured and recorded if >/=1 mm. For each participant, opacification thickness was summed for each sinus and, in addition, a total sum of all sinuses was calculated. Opacification in each sinus was compared between headache-free participants and the headache groups using non-parametric tests, and the total sum was compared by logistical regression. Results No significant association was found between paranasal sinus opacification and headache in general, nor when headache was differentiated into migraine, TTH and unclassified headache. This was also true in separate analyses of mucosal thickening and fluid and of opacification from each paranasal sinus. Conclusion Migraine, TTH and unclassified headache were found not to be associated with an increased degree of paranasal sinus opacification at MRI.  
  Address 5 Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0333-1024 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27215544 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1921  
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Author Machiela, M.J.; Hofmann, J.N.; Carreras-Torres, R.; Brown, K.M.; Johansson, M.; Wang, Z.; Foll, M.; Li, P.; Rothman, N.; Savage, S.A.; Gaborieau, V.; McKay, J.D.; Ye, Y.; Henrion, M.; Bruinsma, F.; Jordan, S.; Severi, G.; Hveem, K.; Vatten, L.J.; Fletcher, T.; Koppova, K.; Larsson, S.C.; Wolk, A.; Banks, R.E.; Selby, P.J.; Easton, D.F.; Pharoah, P.; Andreotti, G.; Freeman, L.E.B.; Koutros, S.; Albanes, D.; Mannisto, S.; Weinstein, S.; Clark, P.E.; Edwards, T.E.; Lipworth, L.; Gapstur, S.M.; Stevens, V.L.; Carol, H.; Freedman, M.L.; Pomerantz, M.M.; Cho, E.; Kraft, P.; Preston, M.A.; Wilson, K.M.; Gaziano, J.M.; Sesso, H.S.; Black, A.; Freedman, N.D.; Huang, W.-Y.; Anema, J.G.; Kahnoski, R.J.; Lane, B.R.; Noyes, S.L.; Petillo, D.; Colli, L.M.; Sampson, J.N.; Besse, C.; Blanche, H.; Boland, A.; Burdette, L.; Prokhortchouk, E.; Skryabin, K.G.; Yeager, M.; Mijuskovic, M.; Ognjanovic, M.; Foretova, L.; Holcatova, I.; Janout, V.; Mates, D.; Mukeriya, A.; Rascu, S.; Zaridze, D.; Bencko, V.; Cybulski, C.; Fabianova, E.; Jinga, V.; Lissowska, J.; Lubinski, J.; Navratilova, M.; Rudnai, P.; Szeszenia-Dabrowska, N.; Benhamou, S.; Cancel-Tassin, G.; Cussenot, O.; Bueno-de-Mesquita, H.B.; Canzian, F.; Duell, E.J.; Ljungberg, B.; Sitaram, R.T.; Peters, U.; White, E.; Anderson, G.L.; Johnson, L.; Luo, J.; Buring, J.; Lee, I.-M.; Chow, W.-H.; Moore, L.E.; Wood, C.; Eisen, T.; Larkin, J.; Choueiri, T.K.; Lathrop, G.M.; Teh, B.T.; Deleuze, J.-F.; Wu, X.; Houlston, R.S.; Brennan, P.; Chanock, S.J.; Scelo, G.; Purdue, M.P. url  doi
  Title Genetic Variants Related to Longer Telomere Length are Associated with Increased Risk of Renal Cell Carcinoma Type Journal Article
  Year 2017 Publication European Urology Abbreviated Journal Eur Urol  
  Volume 72 Issue 5 Pages 747-754  
  Keywords Genetic variants; Mendelian randomization; Renal cell carcinoma; Risk; Telomere length  
  Abstract BACKGROUND: Relative telomere length in peripheral blood leukocytes has been evaluated as a potential biomarker for renal cell carcinoma (RCC) risk in several studies, with conflicting findings. OBJECTIVE: We performed an analysis of genetic variants associated with leukocyte telomere length to assess the relationship between telomere length and RCC risk using Mendelian randomization, an approach unaffected by biases from temporal variability and reverse causation that might have affected earlier investigations. DESIGN, SETTING, AND PARTICIPANTS: Genotypes from nine telomere length-associated variants for 10 784 cases and 20 406 cancer-free controls from six genome-wide association studies (GWAS) of RCC were aggregated into a weighted genetic risk score (GRS) predictive of leukocyte telomere length. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Odds ratios (ORs) relating the GRS and RCC risk were computed in individual GWAS datasets and combined by meta-analysis. RESULTS AND LIMITATIONS: Longer genetically inferred telomere length was associated with an increased risk of RCC (OR=2.07 per predicted kilobase increase, 95% confidence interval [CI]:=1.70-2.53, p<0.0001). As a sensitivity analysis, we excluded two telomere length variants in linkage disequilibrium (R(2)>0.5) with GWAS-identified RCC risk variants (rs10936599 and rs9420907) from the telomere length GRS; despite this exclusion, a statistically significant association between the GRS and RCC risk persisted (OR=1.73, 95% CI=1.36-2.21, p<0.0001). Exploratory analyses for individual histologic subtypes suggested comparable associations with the telomere length GRS for clear cell (N=5573, OR=1.93, 95% CI=1.50-2.49, p<0.0001), papillary (N=573, OR=1.96, 95% CI=1.01-3.81, p=0.046), and chromophobe RCC (N=203, OR=2.37, 95% CI=0.78-7.17, p=0.13). CONCLUSIONS: Our investigation adds to the growing body of evidence indicating some aspect of longer telomere length is important for RCC risk. PATIENT SUMMARY: Telomeres are segments of DNA at chromosome ends that maintain chromosomal stability. Our study investigated the relationship between genetic variants associated with telomere length and renal cell carcinoma risk. We found evidence suggesting individuals with inherited predisposition to longer telomere length are at increased risk of developing renal cell carcinoma.  
  Address Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department Health and Human Services, Bethesda, MS, USA. Electronic address: purduem@mail.nih.gov  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 0302-2838 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28797570; PMCID:PMC5641242 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1959  
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Author Sun, Y.-Q.; Chen, Y.; Langhammer, A.; Skorpen, F.; Wu, C.; Mai, X.-M. url  doi
  Title Passive smoking in relation to lung cancer incidence and histologic types in Norwegian adults: the HUNT study Type Journal Article
  Year 2017 Publication The European Respiratory Journal Abbreviated Journal Eur Respir J  
  Volume 50 Issue 4 Pages  
  Keywords  
  Abstract  
  Address Dept of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Trondheim, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0903-1936 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:29025890 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1989  
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Author Webb, T.R.; Erdmann, J.; Stirrups, K.E.; Stitziel, N.O.; Masca, N.G.D.; Jansen, H.; Kanoni, S.; Nelson, C.P.; Ferrario, P.G.; Konig, I.R.; Eicher, J.D.; Johnson, A.D.; Hamby, S.E.; Betsholtz, C.; Ruusalepp, A.; Franzen, O.; Schadt, E.E.; Bjorkegren, J.L.M.; Weeke, P.E.; Auer, P.L.; Schick, U.M.; Lu, Y.; Zhang, H.; Dube, M.-P.; Goel, A.; Farrall, M.; Peloso, G.M.; Won, H.-H.; Do, R.; van Iperen, E.; Kruppa, J.; Mahajan, A.; Scott, R.A.; Willenborg, C.; Braund, P.S.; van Capelleveen, J.C.; Doney, A.S.F.; Donnelly, L.A.; Asselta, R.; Merlini, P.A.; Duga, S.; Marziliano, N.; Denny, J.C.; Shaffer, C.; El-Mokhtari, N.E.; Franke, A.; Heilmann, S.; Hengstenberg, C.; Hoffmann, P.; Holmen, O.L.; Hveem, K.; Jansson, J.-H.; Jockel, K.-H.; Kessler, T.; Kriebel, J.; Laugwitz, K.L.; Marouli, E.; Martinelli, N.; McCarthy, M.I.; Van Zuydam, N.R.; Meisinger, C.; Esko, T.; Mihailov, E.; Escher, S.A.; Alver, M.; Moebus, S.; Morris, A.D.; Virtamo, J.; Nikpay, M.; Olivieri, O.; Provost, S.; AlQarawi, A.; Robertson, N.R.; Akinsansya, K.O.; Reilly, D.F.; Vogt, T.F.; Yin, W.; Asselbergs, F.W.; Kooperberg, C.; Jackson, R.D.; Stahl, E.; Muller-Nurasyid, M.; Strauch, K.; Varga, T.V.; Waldenberger, M.; Zeng, L.; Chowdhury, R.; Salomaa, V.; Ford, I.; Jukema, J.W.; Amouyel, P.; Kontto, J.; Nordestgaard, B.G.; Ferrieres, J.; Saleheen, D.; Sattar, N.; Surendran, P.; Wagner, A.; Young, R.; Howson, J.M.M.; Butterworth, A.S.; Danesh, J.; Ardissino, D.; Bottinger, E.P.; Erbel, R.; Franks, P.W.; Girelli, D.; Hall, A.S.; Hovingh, G.K.; Kastrati, A.; Lieb, W.; Meitinger, T.; Kraus, W.E.; Shah, S.H.; McPherson, R.; Orho-Melander, M.; Melander, O.; Metspalu, A.; Palmer, C.N.A.; Peters, A.; Rader, D.J.; Reilly, M.P.; Loos, R.J.F.; Reiner, A.P.; Roden, D.M.; Tardif, J.-C.; Thompson, J.R.; Wareham, N.J.; Watkins, H.; Willer, C.J.; Samani, N.J.; Schunkert, H.; Deloukas, P.; Kathiresan, S. url  doi
  Title Systematic Evaluation of Pleiotropy Identifies 6 Further Loci Associated With Coronary Artery Disease Type Journal Article
  Year 2017 Publication Journal of the American College of Cardiology Abbreviated Journal J Am Coll Cardiol  
  Volume 69 Issue 7 Pages 823-836  
  Keywords Case-Control Studies; Coronary Artery Disease/epidemiology/*genetics; Female; Gene Frequency; *Genetic Loci; *Genetic Pleiotropy; Genome-Wide Association Study; Humans; Male; Odds Ratio; Polymorphism, Single Nucleotide; cholesteryl ester transfer protein; expression quantitative trait loci; genetics; genome-wide association; single nucleotide polymorphism  
  Abstract BACKGROUND: Genome-wide association studies have so far identified 56 loci associated with risk of coronary artery disease (CAD). Many CAD loci show pleiotropy; that is, they are also associated with other diseases or traits. OBJECTIVES: This study sought to systematically test if genetic variants identified for non-CAD diseases/traits also associate with CAD and to undertake a comprehensive analysis of the extent of pleiotropy of all CAD loci. METHODS: In discovery analyses involving 42,335 CAD cases and 78,240 control subjects we tested the association of 29,383 common (minor allele frequency >5%) single nucleotide polymorphisms available on the exome array, which included a substantial proportion of known or suspected single nucleotide polymorphisms associated with common diseases or traits as of 2011. Suggestive association signals were replicated in an additional 30,533 cases and 42,530 control subjects. To evaluate pleiotropy, we tested CAD loci for association with cardiovascular risk factors (lipid traits, blood pressure phenotypes, body mass index, diabetes, and smoking behavior), as well as with other diseases/traits through interrogation of currently available genome-wide association study catalogs. RESULTS: We identified 6 new loci associated with CAD at genome-wide significance: on 2q37 (KCNJ13-GIGYF2), 6p21 (C2), 11p15 (MRVI1-CTR9), 12q13 (LRP1), 12q24 (SCARB1), and 16q13 (CETP). Risk allele frequencies ranged from 0.15 to 0.86, and odds ratio per copy of the risk allele ranged from 1.04 to 1.09. Of 62 new and known CAD loci, 24 (38.7%) showed statistical association with a traditional cardiovascular risk factor, with some showing multiple associations, and 29 (47%) showed associations at p < 1 x 10(-4) with a range of other diseases/traits. CONCLUSIONS: We identified 6 loci associated with CAD at genome-wide significance. Several CAD loci show substantial pleiotropy, which may help us understand the mechanisms by which these loci affect CAD risk.  
  Address Center for Human Genetic Research, Massachusetts General Hospital, Boston, Massachusetts; Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts; Department of Medicine, Harvard Medical School, Boston, Massachusetts; Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts; Cardiology Division, Massachusetts General Hospital, Boston, Massachusetts  
  Corporate Author Myocardial Infarction Genetics and CARDIoGRAM Exome Consortia Investigators Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0735-1097 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28209224; PMCID:PMC5314135 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 2030  
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Author Alsnes, I.V.; Vatten, L.J.; Fraser, A.; Bjorngaard, J.H.; Rich-Edwards, J.; Romundstad, P.R.; Asvold, B.O. url  doi
  Title Hypertension in Pregnancy and Offspring Cardiovascular Risk in Young Adulthood: Prospective and Sibling Studies in the HUNT Study (Nord-Trondelag Health Study) in Norway Type Multicenter Study
  Year 2017 Publication Hypertension (Dallas, Tex. : 1979) Abbreviated Journal Hypertension  
  Volume 69 Issue 4 Pages 591-598  
  Keywords Adult; Blood Pressure/*physiology; Cardiovascular Diseases/*epidemiology/etiology/physiopathology; Female; Follow-Up Studies; Humans; Hypertension, Pregnancy-Induced/*epidemiology/physiopathology; Incidence; Infant, Newborn; Norway/epidemiology; Pregnancy; *Pregnancy Complications, Cardiovascular; Prospective Studies; *Registries; Risk Factors; Siblings; adolescent; blood pressure; cardiovascular disease; mother; preeclampsia  
  Abstract Women with hypertensive disorders in pregnancy are at increased lifetime risk for cardiovascular disease. We examined the offspring's cardiovascular risk profile in young adulthood and their siblings' cardiovascular risk profile. From the HUNT study (Nord-Trondelag Health Study) in Norway, 15 778 participants (mean age: 29 years), including 210 sibling groups, were linked to information from the Medical Birth Registry of Norway. Blood pressure, anthropometry, serum lipids, and C-reactive protein were assessed. Seven hundred and six participants were born after exposure to maternal hypertension in pregnancy: 336 mothers had gestational hypertension, 343 had term preeclampsia, and 27 had preterm preeclampsia. Offspring whose mothers had hypertension in pregnancy had 2.7 (95% confidence interval, 1.8-3.5) mm Hg higher systolic blood pressure, 1.5 (0.9-2.1) mm Hg higher diastolic blood pressure, 0.66 (0.31-1.01) kg/m2 higher body mass index, and 1.49 (0.65-2.33) cm wider waist circumference, compared with offspring of normotensive pregnancies. Similar differences were observed for gestational hypertension and term preeclampsia. Term preeclampsia was also associated with higher concentrations of non-high-density lipoprotein cholesterol (0.14 mmol/L, 0.03-0.25) and triglycerides (0.13 mmol/L, 0.06-0.21). Siblings born after a normotensive pregnancy had nearly identical risk factor levels as siblings born after maternal hypertension. Offspring born after maternal hypertension in pregnancy have a more adverse cardiovascular risk profile in young adulthood than offspring of normotensive pregnancies. Their siblings, born after a normotensive pregnancy, have a similar risk profile, suggesting that shared genes or lifestyle may account for the association, rather than an intrauterine effect. All children of mothers who have experienced hypertension in pregnancy may be at increased lifetime risk of cardiovascular disease.  
  Address From the Department of Public Health and General Practice, Faculty of Medicine, NTNU, Norwegian University of Science and Technology, Trondheim (I.V.A., L.J.V., J.H.B., J.R.-E., P.R.R., B.O.A.); MRC Integrative Epidemiology Unit at the University of Bristol and School of Social and Community Medicine, University of Bristol, United Kingdom (A.F.); Channing Division of Network Medicine, Department of Medicine, Connors Center for Women's Health and Gender Biology, Brigham and Women's Hospital, Boston, MA (J.R.-E.); Harvard Medical School, Boston, MA (J.R.-E.); Department of Epidemiology, the Harvard T.H. Chan School of Public Health, Boston, MA (L.J.V., J.R.-E.); and Department of Endocrinology, St. Olavs Hospital, Trondheim University Hospital, Norway (B.O.A.)  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0194-911X ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28223467 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1875  
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Author Asvold, B.O.; Midthjell, K.; Krokstad, S.; Rangul, V.; Bauman, A. url  doi
  Title Prolonged sitting may increase diabetes risk in physically inactive individuals: an 11 year follow-up of the HUNT Study, Norway Type Journal Article
  Year 2017 Publication Diabetologia Abbreviated Journal Diabetologia  
  Volume 60 Issue 5 Pages 830-835  
  Keywords Adult; Body Mass Index; Diabetes Mellitus, Type 2/*epidemiology/metabolism; Exercise/physiology; Female; Humans; Incidence; Leisure Activities; Male; Middle Aged; *Sedentary Lifestyle; Epidemiology; Sedentary lifestyle; Type 2 diabetes mellitus  
  Abstract AIMS/HYPOTHESIS: We examined the association between sitting time and diabetes incidence, overall and by strata of leisure-time physical activity and BMI. METHODS: We followed 28,051 adult participants of the Nord-Trondelag Health Study (the HUNT Study), a population-based study, for diabetes incidence from 1995-1997 to 2006-2008 and estimated HRs of any diabetes by categories of self-reported total daily sitting time at baseline. RESULTS: Of 28,051 participants, 1253 (4.5%) developed diabetes during 11 years of follow-up. Overall, sitting >/=8 h/day was associated with a 17% (95% CI 2, 34) higher risk of developing diabetes compared with sitting </=4 h/day, adjusted for age, sex and education. However, the association was attenuated to a non-significant 9% (95% CI -5, 26) increase in risk after adjustment for leisure-time physical activity and BMI. The association between sitting time and diabetes risk differed by leisure-time physical activity (p Interaction = 0.01). Among participants with low leisure-time physical activity (</=2 h light activity per week and no vigorous activity), sitting 5-7 h/day and >/=8 h/day were associated with a 26% (95% CI 2, 57) and 30% (95% CI 5, 61) higher risk of diabetes, respectively, compared with sitting </=4 h/day. There was no corresponding association among participants with high leisure-time physical activity (>/=3 h light activity or >0 h vigorous activity per week). There was no statistical evidence that the association between sitting time and diabetes risk differed by obesity (p Interaction = 0.65). CONCLUSIONS/INTERPRETATION: Our findings suggest that total sitting time has little association with diabetes risk in the population as a whole, but prolonged sitting may contribute to an increased diabetes risk among physically inactive people.  
  Address School of Public Health, Sydney University, Sydney, NSW, Australia  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0012-186X ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28054097 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1879  
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Author Bauman, A.E.; Grunseit, A.C.; Rangul, V.; Heitmann, B.L. url  doi
  Title Physical activity, obesity and mortality: does pattern of physical activity have stronger epidemiological associations? Type Journal Article
  Year 2017 Publication BMC Public Health Abbreviated Journal BMC Public Health  
  Volume 17 Issue 1 Pages 788  
  Keywords Cardiovascular disease; Hip circumference; Waist circumference  
  Abstract BACKGROUND: Most studies of physical activity (PA) epidemiology use behaviour measured at a single time-point. We examined whether 'PA patterns' (consistently low, consistently high or inconsistent PA levels over time) showed different epidemiological relationships for anthropometric and mortality outcomes, compared to single time-point measure of PA. METHODS: Data were the Danish MONICA (MONItoring Trends and Determinants in CArdiovascular Disease) study over three waves 1982-3 (time 1), 1987-8 (time 2) and 1993-4 (time 3). Associations between leisure time single time-point PA levels at time 1 and time 3, and sport and active travel at times 1 and 2 with BMI, waist, hip circumference and mortality (death from coronary heart disease (CHD) and cardiovascular disease (CVD)) were compared to 'PA patterns' spanning multiple time points. PA pattern classified participants' PA as either 1) inactive or low PA at both time points; 2) moderate level PA at time 1 and high activity at time 3; or 3) a 'mixed PA pattern' indicating a varying levels of activity over time. Similarly, sport and active travel were also classified as indicating stable low, stable high and mixed patterns. RESULTS: The moderately and highly active groups for PA at times 1 and 3 had up to 1.7 cm lower increase in waist circumference compared with the inactive/low active group. Across 'PA patterns', 'active maintainers' had a 2.0 cm lower waist circumference than 'inactive/low maintainers'. Waist circumference was inversely related to sport but not active travel. CHD risk did not vary by activity levels at time 1, but was reduced significantly by 43% for high PA at time 3 (vs 'inactive' group) and among 'active maintainers' (vs 'inactive/low maintainers') by 62%. 'Sport pattern' showed stronger reductions in mortality for cardiovascular disease and CHD deaths among sport maintainers, than the single time point measures. CONCLUSIONS: PA patterns demonstrated a stronger association with a number of anthropometric and mortality outcomes than the single time-point measures. Operationalising PA as a sustained behavioural pattern may address some of the known under-estimation of risk for poor health in PA self-report measurements and better reflect exposure for epidemiological analysis of risk of health outcomes.  
  Address Copenhagen Center for Preventive Medicine, Glostrup Hospital, Copenhagen Capital Region, Denmark  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1471-2458 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28982371; PMCID:PMC5629749 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1880  
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Author Bjorngaard, J.H.; Nordestgaard, A.T.; Taylor, A.E.; Treur, J.L.; Gabrielsen, M.E.; Munafo, M.R.; Nordestgaard, B.G.; Asvold, B.O.; Romundstad, P.; Davey Smith, G. url  doi
  Title Heavier smoking increases coffee consumption: findings from a Mendelian randomization analysis Type Journal Article
  Year 2017 Publication International Journal of Epidemiology Abbreviated Journal Int J Epidemiol  
  Volume Issue Pages  
  Keywords Coffee, tea, smoking, Mendelian randomization  
  Abstract Background: There is evidence for a positive relationship between cigarette and coffee consumption in smokers. Cigarette smoke increases metabolism of caffeine, so this may represent a causal effect of smoking on caffeine intake. Methods: We performed Mendelian randomization analyses in the UK Biobank ( N = 114 029), the Norwegian HUNT study ( N = 56 664) and the Copenhagen General Population Study (CGPS) ( N = 78 650). We used the rs16969968 genetic variant as a proxy for smoking heaviness in all studies and rs4410790 and rs2472297 as proxies for coffee consumption in UK Biobank and CGPS. Analyses were conducted using linear regression and meta-analysed across studies. Results: Each additional cigarette per day consumed by current smokers was associated with higher coffee consumption (0.10 cups per day, 95% CI: 0.03, 0.17). There was weak evidence for an increase in tea consumption per additional cigarette smoked per day (0.04 cups per day, 95% CI: -0.002, 0.07). There was strong evidence that each additional copy of the minor allele of rs16969968 (which increases daily cigarette consumption) in current smokers was associated with higher coffee consumption (0.16 cups per day, 95% CI: 0.11, 0.20), but only weak evidence for an association with tea consumption (0.04 cups per day, 95% CI: -0.01, 0.09). There was no clear evidence that rs16969968 was associated with coffee or tea consumption in never or former smokers or that the coffee-related variants were associated with cigarette consumption. Conclusions: Higher cigarette consumption causally increases coffee intake. This is consistent with faster metabolism of caffeine by smokers, but could also reflect a behavioural effect of smoking on coffee drinking.  
  Address School of Social and Community Medicine, University of Bristol, Bristol, UK  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0300-5771 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:29025033 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1881  
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Author Andre, B.; Canhao, H.; Espnes, G.A.; Ferreira Rodrigues, A.M.; Gregorio, M.J.; Nguyen, C.; Sousa, R.; Gronning, K. url  doi
  Title Is there an association between food patterns and life satisfaction among Norway's inhabitants ages 65 years and older? Type Journal Article
  Year 2017 Publication Appetite Abbreviated Journal Appetite  
  Volume 110 Issue Pages 108-115  
  Keywords Anxiety; Depression; Elderly adults; Food patterns; Life satisfaction  
  Abstract The lack of information regarding older adults' health and lifestyles makes it difficult to design suitable interventions for people at risk of developing unhealth lifestyles. Therefore, there is a need to increase knowledge about older adults' food patterns and quality of life. Our aim was to determine associations among food patterns, anxiety, depression, and life satisfaction in Norwegian inhabitants ages 65+. The Nord-Trondelag Health Study (The HUNT Study) is a large, population-based cohort study that includes data for 125 000 Norwegian participants. The cohort used for this study is wave three of the study, consisting of 11 619 participants age 65 and over. Cluster analysis was used to categorize the participants based on similarities in food consumption; two clusters were identified based on similarities regarding food consumption among participants. Significant differences between the clusters were found, as participants in the healthy food-patterns cluster had higher life satisfaction and lower anxiety and depression than those in the unhealthy food-patterns cluster. The associations among food patterns, anxiety, depression, and life satisfaction among older adults show the need for increased focus on interactions among food patterns, food consumption, and life satisfaction among the elderly in order to explore how society can influence these patterns.  
  Address Faculty of Medicine and Health Sciences, Department of Public Health and Nursing, Norwegian University of Science and Technology (NTNU), Norway; NTNU Center for Health Promotion Research, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0195-6663 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27988367 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1878  
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Author Bjorngaard, J.H.; Vie, G.A.; Janszky, I.; Vatten, L.J. url  doi
  Title Reply to Letter to the editor “Comments on cardiovascular mortality – Comparing risk factor associations within couples and in the total population – The HUNT Study” Type Journal Article
  Year 2017 Publication International Journal of Cardiology Abbreviated Journal Int J Cardiol  
  Volume 242 Issue Pages 8  
  Keywords  
  Abstract  
  Address Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway; Regional Center for Health Care Improvement, St Olav Hospital, Trondheim, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0167-5273 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28619354 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1882  
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Author Bjorngaard, J.H.; Vie, G.A.; Krokstad, S.; Janszky, I.; Romundstad, P.R.; Vatten, L.J. url  doi
  Title Cardiovascular mortality – Comparing risk factor associations within couples and in the total population – The HUNT Study Type Journal Article
  Year 2017 Publication International Journal of Cardiology Abbreviated Journal Int J Cardiol  
  Volume 232 Issue Pages 127-133  
  Keywords Cardiovascular mortality; Confounding; Couples; Population study; Risk factors  
  Abstract BACKGROUND: To compare associations of conventional risk factors with cardiovascular death within couples and in the population as a whole. METHODS: We analysed baseline data (1995-97) from the HUNT2 Study in Norway linked to the national Causes of Death Registry. We compared risk within couples using stratified Cox regression. RESULTS: During 914776 person-years, 3964 cardiovascular deaths occurred, and 1658 of the deaths occurred among 1494 couples. There were consistently stronger associations of serum lipids and blood pressure with cardiovascular mortality within couples compared to the population as a whole. For instance, for systolic blood pressure (per 20mmHg), the hazard ratio (HR) within couples was 1.28 (95% confidence interval: 1.17, 1.40) compared to 1.16 (1.12, 1.20) in the total population, and for diastolic pressure (per 10mmHg), the corresponding HRs were 1.16 (1.07, 1.26) and 1.11 (1.08, 1.13). Anthropometric factors (BMI, waist circumference, waist-hip ratio) as well as diabetes, smoking, physical activity, and education, showed nearly identical positive associations within couples and in the total population. CONCLUSIONS: Prospective population studies may tend to slightly underestimate associations of these factors with cardiovascular mortality.  
  Address Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway; Regional Center for Health Care Improvement, St Olav Hospital, Trondheim, Norway  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0167-5273 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28082089 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1883  
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Author Bjornland, T.; Langaas, M.; Grill, V.; Mostad, I.L. url  doi
  Title Assessing gene-environment interaction effects of FTO, MC4R and lifestyle factors on obesity using an extreme phenotype sampling design: Results from the HUNT study Type Journal Article
  Year 2017 Publication PloS one Abbreviated Journal PLoS One  
  Volume 12 Issue 4 Pages e0175071  
  Keywords Alpha-Ketoglutarate-Dependent Dioxygenase FTO/*genetics; Body Mass Index; *Gene-Environment Interaction; Humans; *Life Style; Obesity/*genetics; *Phenotype; Receptor, Melanocortin, Type 4/*genetics; Waist-Hip Ratio  
  Abstract BACKGROUND: Our aim was to assess the influence of age, gender and lifestyle factors on the effect of the obesity-promoting alleles of FTO and MCR4. METHODS: The HUNT study comprises health information on the population of Nord-Trondelag county, Norway. Extreme phenotype participants (gender-wise lower and upper quartiles of waist-hip-ratio and BMI >/= 35 kg/m2) in the third survey, HUNT3 (2006-08), were genotyped for the single-nucleotide polymorphisms rs9939609 (FTO) and rs17782313 (MC4R); 25686 participants were successfully genotyped. Extreme sampling was chosen to increase power to detect genetic and gene-environment effects on waist-hip-ratio and BMI. Statistical inference was based on linear regression models and a missing-covariate likelihood approach for the extreme phenotype sampling design. Environmental factors were physical activity, diet (artificially sweetened beverages) and smoking. Longitudinal analysis was performed using material from HUNT2 (1995-97). RESULTS: Cross-sectional and longitudinal genetic effects indicated stronger genetic associations with obesity in young than in old, as well as differences between women and men. We observed larger genetic effects among physically inactive compared to active individuals. This interaction was age-dependent and seen mainly in 20-40 year olds. We observed a greater FTO effect among men with a regular intake of artificially sweetened beverages, compared to non-drinkers. Interaction analysis of smoking was mainly inconclusive. CONCLUSIONS: In a large all-adult and area-based population survey the effects of obesity-promoting minor-alleles of FTO and MCR4, and interactions with life style factors are age- and gender-related. These findings appear relevant when designing individualized treatment for and prophylaxis against obesity.  
  Address Department of Clinical Nutrition and Speech-Language Therapy, Clinic of Clinical Services, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1932-6203 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28384342; PMCID:PMC5383228 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1884  
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Author Borte, S.; Winsvold, B.S.; Stensland, S.O.; Smastuen, M.C.; Zwart, J.-A. url  doi
  Title The effect of foetal growth restriction on the development of migraine and tension-type headache in adulthood. The HUNT Study Type Journal Article
  Year 2017 Publication PloS one Abbreviated Journal PLoS One  
  Volume 12 Issue 4 Pages e0175908  
  Keywords Adult; Birth Weight; Female; Fetal Growth Retardation/epidemiology/*etiology; Gestational Age; Health Surveys; Humans; Infant, Newborn; Logistic Models; Male; Migraine Disorders/complications/*diagnosis/epidemiology; Norway/epidemiology; Odds Ratio; Pregnancy; Registries; Risk Factors; Tension-Type Headache/complications/*diagnosis/epidemiology; Young Adult  
  Abstract BACKGROUND: There is little knowledge about how factors early in life affect the development of migraine and tension-type headache. We aimed to examine whether growth restriction in utero is associated with development of migraine and frequent tension-type headache in adults. METHODS: The population-based Nord-Trondelag Health Study (HUNT 3) contained a validated headache questionnaire, which differentiated between migraine and tension-type headache. These data were linked to information on weight and gestational age at birth from the Norwegian Medical Birth Registry. In total 4557 females and 2789 males, aged 19-41 years, were included in this registry-based study. Participants were categorized as appropriate for gestational age (AGA, 10th-90th percentile), small for gestational age (SGA, 3rd-10th percentile) or very small for gestational age (VSGA, < 3rd percentile). Logistic regression was used to calculate odds ratios (OR) with 95% confidence intervals (CI) for migraine and tension-type headache, with exposure being growth restriction at birth. RESULTS: The effect of growth restriction on migraine was modified by sex, with a significant association in males (p<0.001), but not in females (p = 0.20). In particular, males born VSGA were at increased risk of developing migraine (OR 2.73, 95% CI 1.63-4.58, p<0.001), with an intermediate risk among those born SGA (OR 1.50, 95% CI 0.96-2.35, p = 0.08) compared to those born AGA. There was no significant association between growth restriction and frequent TTH (p = 0.051). CONCLUSION: Growth restriction was associated with increased risk of migraine in adulthood among males, but not among females. This suggests that migraine might, in part, be influenced by early life events, and that males seem to be particularly vulnerable.  
  Address Department of Neurology, Oslo University Hospital, Oslo, Norway  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 1932-6203 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28410431; PMCID:PMC5391957 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1885  
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Author Bosnes, I.; Almkvist, O.; Bosnes, O.; Stordal, E.; Romild, U.; Nordahl, H.M. url  doi
  Title Prevalence and correlates of successful aging in a population-based sample of older adults: the HUNT study Type Journal Article
  Year 2017 Publication International Psychogeriatrics Abbreviated Journal Int Psychogeriatr  
  Volume 29 Issue 3 Pages 431-440  
  Keywords Hunt; components; correlates; prevalence; successful aging  
  Abstract BACKGROUND: The factors influencing successful aging (SA) are of great interest in an aging society. The aims of this study were to investigate the prevalence of SA, the relative importance across age of the three components used to define it (absence of disease and disability, high cognitive and physical function, and active engagement with life), and its correlates. METHODS: Data were extracted from the population-based cross-sectional Nord-Trondelag Health Study (HUNT3 2006-2008). Individuals aged 70-89 years with complete datasets for the three components were included (N = 5773 of 8,040, 71.8%). Of the respondents, 54.6% were women. Univariate and multivariate regression analyses were used to analyze possible correlates of SA. RESULTS: Overall, 35.6% of the sample met one of the three criteria, 34.1% met combinations, and 14.5% met all of the three criteria. The most demanding criterion was high function, closely followed by absence of disease, while approximately two-thirds were actively engaged in life. The relative change with age was largest for the high cognitive and physical function component and smallest for active engagement with life. The significant correlates of SA were younger age, female gender, higher education, weekly exercise, more satisfaction with life, non-smoking, and alcohol consumption, whereas marital status was not related to SA. CONCLUSIONS: The prevalence of SA in this study (14.5%) is comparable to previous studies. It may be possible to increase the prevalence by intervention directed toward more exercise, non-smoking, and better satisfaction with life.  
  Address Department of Psychology,Norwegian University of Science and Technology (NTNU),Trondheim,Norway  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1041-6102 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27852332 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1886  
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Author Brumpton, B.; Mai, X.-M.; Langhammer, A.; Laugsand, L.E.; Janszky, I.; Strand, L.B. url  doi
  Title Prospective study of insomnia and incident asthma in adults: the HUNT study Type Journal Article
  Year 2017 Publication The European Respiratory Journal Abbreviated Journal Eur Respir J  
  Volume 49 Issue 2 Pages  
  Keywords  
  Abstract Insomnia is highly prevalent among asthmatics; however, few studies have investigated insomnia symptoms and asthma development. We aimed to investigate the association between insomnia and the risk of incident asthma in a population-based cohort.Among 17 927 participants free from asthma at baseline we calculated odds ratios and 95% confidence intervals for the risk of incident asthma among those with insomnia compared to those without. Participants reported sleep initiation problems, sleep maintenance problems and nonrestorative sleep. Chronic insomnia was defined as those reporting one or more insomnia symptom at baseline and 10 years earlier. Incident asthma was defined by questions on asthma at baseline and follow-up (average 11 years).The prevalence of sleep initiation problems, sleep maintenance problems and nonrestorative sleep were 1%, 1% and 5%, respectively. The multi-adjusted odds ratios were 1.18 (95% CI 0.97-1.44), 1.30 (95% CI 1.03-1.64) and 1.70 (95% CI 1.37-2.11) for people with one, two and three insomnia symptoms, respectively, compared with people without symptoms (p<0.01 for trend). The risk of developing asthma in those with chronic insomnia was three times higher (adjusted OR 3.16, 95% CI 1.37-6.40) than those without.Insomnia symptoms were associated with increased risk of incident asthma in this study.  
  Address Dept of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, NTNU, Trondheim, Norway  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0903-1936 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28153868 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1887  
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Author Brumpton, B.M.; Langhammer, A.; Henriksen, A.H.; Camargo, C.A.J.; Chen, Y.; Romundstad, P.R.; Mai, X.-M. url  doi
  Title Physical activity and lung function decline in adults with asthma: The HUNT Study Type Journal Article
  Year 2017 Publication Respirology (Carlton, Vic.) Abbreviated Journal Respirology  
  Volume 22 Issue 2 Pages 278-283  
  Keywords Adult; Asthma/*physiopathology; Cohort Studies; Disease Progression; Exercise/*physiology; Female; Follow-Up Studies; Forced Expiratory Volume; Humans; Leisure Activities; Male; Middle Aged; Norway; Physical Exertion; Sedentary Lifestyle; Surveys and Questionnaires; Vital Capacity; *forced expiratory volume in 1 s; *forced vital capacity; *leisure time; *peak expiratory flow; *prospective  
  Abstract BACKGROUND AND OBJECTIVE: People with asthma may seek advice about physical activity. However, the benefits of leisure time physical activity on lung function are unclear. We investigated the association between leisure time physical activity and lung function decline in adults with asthma. METHODS: In a population-based cohort study in Norway, we used multiple linear regressions to estimate the annual mean decline in lung function (and 95% CI) in 1329 people with asthma over a mean follow-up of 11.6 years. The durations of light and hard physical activity per week in the last year were collected by questionnaire. Inactive participants did not report any light or hard activity, while active participants reported light or hard activity. RESULTS: The mean decline in forced expiratory volume in 1 s (FEV1 ) was 37 mL/year among inactive participants and 32 mL/year in active participants (difference: -5 mL/year (95% CI: -13 to 3)). The mean decline in forced vital capacity (FVC) was 33 mL/year among inactive participants and 31 mL/year in active participants (difference: -2 mL/year (95% CI: -11 to 7)). The mean decline in FEV1 /FVC ratio was 0.36%/year among inactive participants and 0.22%/year in active participants (difference: -0.14%/year (95% CI: -0.27 to -0.01)). The mean decline in peak expiratory flow (PEF) was 14 mL/year among the inactive participants and 10 mL/year in active participants (difference: -4 mL/year (95% CI: -9 to 1)). CONCLUSION: We observed slightly less decline in lung function in physically active than inactive participants with asthma, particularly for FEV1 , FEV1 /FVC ratio and PEF.  
  Address Faculty of Medicine, Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1323-7799 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27696634 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1892  
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Author Brunes, A.; Flanders, W.D.; Augestad, L.B. url  doi
  Title Self-reported visual impairment, physical activity and all-cause mortality: The HUNT Study Type Journal Article
  Year 2017 Publication Scandinavian Journal of Public Health Abbreviated Journal Scand J Public Health  
  Volume 45 Issue 1 Pages 33-41  
  Keywords Aged; Aged, 80 and over; *Cause of Death; *Exercise; Female; Humans; Male; Middle Aged; Norway/epidemiology; Proportional Hazards Models; Prospective Studies; Risk Assessment; *Self Report; Vision Disorders/*epidemiology; *All-cause mortality; *HUNT study; *physical activity; *prospective cohort study; *self-reported; *visual impairment  
  Abstract AIMS: To examine the associations of self-reported visual impairment and physical activity (PA) with all-cause mortality. METHODS: This prospective cohort study included 65,236 Norwegians aged 20 years who had participated in the Nord-Trondelag Health Study (HUNT2, 1995-1997). Of these participants, 11,074 (17.0%) had self-reported visual impairment (SRVI). The participants' data were linked to Norway's Cause of Death Registry and followed throughout 2012. Hazard ratios and 95% confidence intervals (CI) were assessed using Cox regression analyses with age as the time-scale. The Cox models were fitted for restricted age groups (<60, 60-84, 85 years). RESULTS: After a mean follow-up of 14.5 years, 13,549 deaths were identified. Compared with adults with self-reported no visual impairment, the multivariable hazard ratios among adults with SRVI were 2.47 (95% CI 1.94-3.13) in those aged <60 years, 1.22 (95% CI 1.13-1.33) in those aged 60-84 years and 1.05 (95% CI 0.96-1.15) in those aged 85 years. The strength of the associations remained similar or stronger after additionally controlling for PA. When examining the joint associations, the all-cause mortality risk of SRVI was higher for those who reported no PA than for those who reported weekly hours of PA. We found a large, positive departure from additivity in adults aged <60 years, whereas the departure from additivity was small for the other age groups. CONCLUSIONS: Adults with SRVI reporting no PA were associated with an increased all-cause mortality risk. The associations attenuated with age.  
  Address 4 Department of Visual Impairment, Statped Mid-Norway, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1403-4948 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27913690 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1893  
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Author Burgel, P.-R.; Paillasseur, J.-L.; Janssens, W.; Piquet, J.; Ter Riet, G.; Garcia-Aymerich, J.; Cosio, B.; Bakke, P.; Puhan, M.A.; Langhammer, A.; Alfageme, I.; Almagro, P.; Ancochea, J.; Celli, B.R.; Casanova, C.; de-Torres, J.P.; Decramer, M.; Echazarreta, A.; Esteban, C.; Gomez Punter, R.M.; Han, M.L.K.; Johannessen, A.; Kaiser, B.; Lamprecht, B.; Lange, P.; Leivseth, L.; Marin, J.M.; Martin, F.; Martinez-Camblor, P.; Miravitlles, M.; Oga, T.; Sofia Ramirez, A.; Sin, D.D.; Sobradillo, P.; Soler-Cataluna, J.J.; Turner, A.M.; Verdu Rivera, F.J.; Soriano, J.B.; Roche, N. url  doi
  Title A simple algorithm for the identification of clinical COPD phenotypes Type Journal Article
  Year 2017 Publication The European Respiratory Journal Abbreviated Journal Eur Respir J  
  Volume 50 Issue 5 Pages  
  Keywords  
  Abstract This study aimed to identify simple rules for allocating chronic obstructive pulmonary disease (COPD) patients to clinical phenotypes identified by cluster analyses.Data from 2409 COPD patients of French/Belgian COPD cohorts were analysed using cluster analysis resulting in the identification of subgroups, for which clinical relevance was determined by comparing 3-year all-cause mortality. Classification and regression trees (CARTs) were used to develop an algorithm for allocating patients to these subgroups. This algorithm was tested in 3651 patients from the COPD Cohorts Collaborative International Assessment (3CIA) initiative.Cluster analysis identified five subgroups of COPD patients with different clinical characteristics (especially regarding severity of respiratory disease and the presence of cardiovascular comorbidities and diabetes). The CART-based algorithm indicated that the variables relevant for patient grouping differed markedly between patients with isolated respiratory disease (FEV1, dyspnoea grade) and those with multi-morbidity (dyspnoea grade, age, FEV1 and body mass index). Application of this algorithm to the 3CIA cohorts confirmed that it identified subgroups of patients with different clinical characteristics, mortality rates (median, from 4% to 27%) and age at death (median, from 68 to 76 years).A simple algorithm, integrating respiratory characteristics and comorbidities, allowed the identification of clinically relevant COPD phenotypes.  
  Address Dept of Respiratory Medicine, Cochin Hospital, AP-HP, Paris, France  
  Corporate Author Initiatives BPCO, EABPCO, Leuven and 3CIA study groups Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title (down) Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0903-1936 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:29097431 Approved no