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Résumé :
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[BDSP. Notice produite par INIST-CNRS 87F0MR0x. Diffusion soumise à autorisation]. The authors investigated associations between social integration and all-cause and cause-specific mortality among French employees of Electricity of France-Gas of France. A total of 12,347 men aged 40-50 years in 1989 and 4,352 women aged 35-50 years in 1989 comprised the sample. In age-adjusted survival analyses for all causes of death, men who were least socially integrated were 4.42 times as likely to die during follow-up (1993-1999) as those with the highest level of integration (p<0.0001). After adjustment for age, occupation, smoking, alcohol consumption, body mass index, self-reported health, depressive symptoms, and region of France, relative risks for men ranging from the least socially integrated to the most socially integrated were 2.70 (95% confidence interval (Cl) : 1.17,6.23), 1.95 (95% Cl : 1.25,3.04), and 1.37 (95% Cl : 0.92,2.04) in comparison with the most integrated men. In multivariate cause-specific analyses, isolated men had elevated risks of dying from cancer (relative risk=3.60) and from accidents and suicide (relative risk=3.54). Among women, in multivariate analyses, the relative risk was 3.64 (95% Cl : 0.72,18.58). The small number of deaths among women (n=29) limited statistical power and prohibited cause-specific analyses. These results suggest that in this employed cohort of middle-aged men and women, social integration is an important predictor of mortality.
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