Résumé :
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[BDSP. Notice produite par INIST-CNRS klnR0x8q. Diffusion soumise à autorisation]. Background In China, there have been few large prospective studies of the associations of body mass index (BMI) with overall and cause-specific mortality that have simultaneously controlled for biases that can be caused by pre-existing disease and smoking. Methods Prospective cohort study of 224064 men, of whom 40700 died during follow-up between 1990-91 and 2006. Analyses restricted to 142 214 men aged 40-79 years at baseline with no disease history and, to further reduce bias from pre-existing disease, at least 5 years of subsequent follow-up, leaving 17800 deaths [including 4165 stroke, 1297 coronary heart disease (CHD), 3121 chronic obstructive pulmonary disease (COPD) ]. Adjusted hazard ratios (HRs) and 95% confidence intervals (95% CIs) per 5 kg/m2 calculated within either a lower (15 to
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