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Question What is the relation between body mass index (BMI) and short term mortality in men and women?
Design
Population based study of 47 cohorts from 9 studies in the Italian Risk Factors and Life Expectancy (RIFLE) Pooling Project.
Setting
Italy.
Participants
63 036 participants (age range 20–69 y, 52% men) who were registered on electoral rolls or worked in large companies, had participated in RIFLE project studies, and lived in 13 of the 20 Italian regions.
Assessment of risk factors
Age, height, weight, systolic blood pressure, serum cholesterol concentration, and mean number of cigarettes smoked daily.
Main outcome measure
All cause mortality at 6 years follow up.
Main results
At 6 years follow up, death had occurred in 85 of 13 150 younger men (age range 20–44 y), 950 of 19 591 …
Footnotes
Source of funding: in part, Italian National Research Council Targeted Project Prevention and Control of Disease Factors (FATMA), Sub-Project Community Medicine.
For correspondence: Dr F Seccareccia, Laboratorio di Epidemiologia e Biostatistica, Istituto Superiore di Sanità Viale Regina Elena 299, I-00161 Rome, Italy. Fax +39 (0)6 493 87069.