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Author (up) Morkedal, B.; Romundstad, P.R.; Vatten, L.J. url  doi
  Title Mortality from ischaemic heart disease: age-specific effects of blood pressure stratified by body-mass index: the HUNT cohort study in Norway Type Journal Article
  Year 2011 Publication Journal of Epidemiology and Community Health Abbreviated Journal J Epidemiol Community Health  
  Volume 65 Issue 9 Pages 814-819  
  Keywords HUNT1; Adult; Age Factors; Aged; Blood Pressure/*physiology; *Body Mass Index; Cause of Death; Cohort Studies; Female; Humans; Male; Middle Aged; Myocardial Ischemia/*mortality; Norway/epidemiology; Prospective Studies; Young Adult  
  Abstract BACKGROUND: Blood pressure is positively associated with ischaemic heart disease (IHD) mortality, but the strength of the association declines with age, and may differ between lean and obese people. OBJECTIVE: To study the association of blood pressure with IHD mortality stratified by attained age (<65 and >/=65 years) and by body mass index (BMI). DESIGN: Prospective cohort study. SETTING: General population with baseline measurements in 1984-1986. Participants 34,633 men and 36,749 women. MEASUREMENTS, Standardised measurements of blood pressure and BMI conducted by trained personnel, and information on potentially confounding factors was retrieved from self-administered questionnaires. Information on deaths from IHD was obtained from the Causes of Death Registry in Norway from baseline until the end of 2004. RESULTS: During 2 years of follow-up, 2,529 men and 1,719 women had died from IHD. The association of blood pressure with IHD mortality was stronger in people younger than 65 years than in older age groups (p for interaction, 0.001), and the association was further modified by BMI (p for interaction, 0.001). In this age group, the RR of death from IHD associated with systolic pressure >/=160 mm Hg in lean (BMI<25) people was 5.8 (95% CI 3.8 to 8.7) compared with the reference (systolic pressure 120-139 mm Hg and BMI <25), and in overweight (BMI 25-29) and obese (BMI>/=30) people, the corresponding relative risks were 2.4 (95% CI 1.6 to 3.5) and 1.6 (95% CI 0.9 to 2.8), respectively. CONCLUSION: The association of blood pressure with IHD mortality is modified by age and body mass index.  
  Address Department of Public Health, Faculty of Medicine, 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 Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0143-005X ISBN Medium  
  Area Expedition Conference  
  Notes PMID:20466710 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1669  
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