Résumé :
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[BDSP. Notice produite par INIST-CNRS MCeR0x31. Diffusion soumise à autorisation]. Objectives : We compared reports of deaths in which tobacco use was a contributing factor ("tobacco-associated deaths") before and after the addition to death certificates in Texas of a check-box question asking whether tobacco use contributed to an individual's death. Methods : We examined Texas vital statistics files from 1987 to 1998. We calculated differences in percentages of reported tobacco-associated deaths (and 95% confidence intervals [CIs]) for the periods 1987 to 1992, before the addition of the check-box question, and 1993 to 1998, after the addition of the check-box. Results : Reports of tobacco-associated deaths were significantly less frequent before addition of the check-box question (0.7% ; 95% CI=0.4%, 1.0%) than after addition of the question (13.9% ; 95% CI=13.0%, 14.7%). From 1993 to 1998, percentages of tobacco-associated deaths reported on the check-box question increased steadily. Conclusions : The addition of a tobacco-associated-death check box on Texas death certificates significantly increased reporting of tobacco use contributions to mortality.
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