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Author  |
Paulsen, J.; Askim, A.; Mohus, R.M.; Mehl, A.; Dewan, A.; Solligard, E.; Damas, J.K.; Asvold, B.O. |
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Title |
Associations of obesity and lifestyle with the risk and mortality of bloodstream infection in a general population: a 15-year follow-up of 64 027 individuals in the HUNT Study |
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Journal Article |
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Year |
2017 |
Publication |
International Journal of Epidemiology |
Abbreviated Journal |
Int J Epidemiol |
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Volume |
46 |
Issue |
5 |
Pages |
1573-1581 |
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Keywords |
Bacteraemia; alcohol drinking; exercise; obesity; sepsis; smoking |
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Abstract |
Background: Bloodstream infections (BSI) cause considerable morbidity and mortality, and primary prevention should be a priority. Lifestyle factors are of particular interest since they represent a modifiable target. Methods: We conducted a prospective cohort study among participants in the population-based Norwegian HUNT2 Survey, where 64 027 participants were followed from 1995-97 through 2011 by linkage to prospectively recorded information on BSI at local and regional hospitals. The exposures were: baseline body mass index (BMI) measurements; and self-reported smoking habits, leisure time physical activity and alcohol intake. The outcomes were hazard ratios (HR) of BSI and BSI mortality. Results: During 810 453 person-years and median follow-up of 14.8 years, 1844 (2.9%) participants experienced at least one BSI and 396 (0.62%) died from BSI. Compared with normal weight participants (BMI 18.5-24.9 kg/m2), the age- and sex-adjusted risk of a first-time BSI was 31% [95% confidence interval (CI) 14-51%] higher at BMI 30.0-34.9 kg/m2, 87% (95% CI 50-135%) higher at BMI 35.0-39.9 kg/m2 and 210% (95% CI 117-341%) higher at BMI >/= 40.0 kg/m2. The risk of BSI mortality was similarly increased. Compared with never-smokers, current smokers had 51% (95% CI 34-70%) and 75% (95% CI 34-129%) higher risks of BSI and BSI mortality, respectively. Physically inactive participants had 71% (95% CI 42-107%) and 108% (95% CI 37-216%) higher risks of BSI and BSI mortality, respectively, compared with the most physically active. Conclusions: Obesity, smoking and physical inactivity carry increased risk of BSI and BSI mortality. |
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Address |
Department of Endocrinology, St Olavs Hospital, Trondheim University Hospital, Trondheim, Norway |
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Language |
English |
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Edition |
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ISSN |
0300-5771 |
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Notes |
PMID:28637260 |
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Call Number |
HUNT @ maria.stuifbergen @ |
Serial |
1969 |
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