Résumé :
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[BDSP. Notice produite par INIST-CNRS jR0x66rq. Diffusion soumise à autorisation]. Alcohol could contribute to obesity. The authors examined the relation between drinking patterns and body mass index (BMI) (weight (kg)/height (m) 2) by pooling cross-sectional data from the 1997-2001 National Health Interview Surveys. Weighted analyses included 45,896 adult never smokers who were current alcohol drinkers. Height and weight were self-reported. In adjusted analyses, alcohol quantity and frequency had opposite associations with BMI. As quantity increased from 1 drink/drinking day to>=4 drinks/drinking day, BMI significantly increased ; in men, it increased from 26.5 (95% confidence interval (Cl) : 26.3,26.6) to 27.5 (95% Cl : 27.4,27.7), and in women, it increased from 25.1 (95% Cl : 25.0,25.2) to 25.9 (95% Cl : 25.5,26.3). As frequency increased from low quintiles of drinking days/year to high quintiles, BMI significantly decreased ; in men, it decreased from 27.4 (95% Cl : 27.2,27.6) to 26.3 (95% Cl : 26.2,26.5), and in women, it decreased from 26.2 (95% Cl : 26.0,26.5) to 24.3 (95% Cl : 24.2,24.5). In stratified analyses of frequency trends within quantity categories, BMI declines were more pronounced in women than in men, but all linear trends were inverse and significant (p trend
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