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Titre du Document
Association of overweight with increased risk of coronary heart disease partly independent of blood pressure and cholesterol levels : A meta-analysis of 21 cohort studies including more than 300 000 persons
Auteur(s)
BOGERS Rik P. ; BEMELMANS Wandaj. E. ; HOOGENVEEN Rudolf T. ; ...
Corporation(s) du ou des auteurs
BMI-CHD Collaboration Investigators GBR
Résumé
Background: The extent to which moderate overweight (body mass index [BMI], 25.0-29.9 [calculated as weight in kilograms divided by height in meters squared]) and obesity (BMI, ≥ 30.0) are associated with increased risk of coronary heart disease (CHD) through adverse effects on blood pressure and cholesterol levels is unclear, as is the risk of CHD that remains after these mediating effects are considered. Methods: Relative risks (RRs) of CHD associated with moderate overweight and obesity with and without adjustment for blood pressure and cholesterol concentrations were calculated by the members of a collaboration of prospective cohort studies of healthy, mainly white persons and pooled by means of random-effects models (RRs for categories of BMI in 14 cohorts and for continuous BMI in 21 cohorts; total N=302296). Results: A total of 18 000 CHD events occurred during follow-up. The age-, sex-, physical activity-, and smoking-adjusted RRs (95% confidence intervals) for moderate overweight and obesity compared with normal weight were 1.32 (1.24-1.40) and 1.81 (1.56-2.10), respectively. Additional adjustment for blood pressure and cholesterol levels reduced the RR to 1.17 (1.11-1.23) for moderate overweight and to 1.49 (1.32-1.67) for obesity. The RR associated with a 5-unit BMI increment was 1.29 (1.22-1.35) before and 1.16 (1.11-1.21) after adjustment for blood pressure and cholesterol levels. Conclusions: Adverse effects of overweight on blood pressure and cholesterol leve
Editeur
American Medical Association
Identifiant
ISSN : 0003-9926 CODEN : AIMDAP
Source
Archives of internal medicine (1960) A. 2007, vol. 167, n° 16, pp. 1720-1728 [9 pages] [bibl. : 47 ref.]
Langue
Anglais
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