Résumé :
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[BDSP. Notice produite par INIST-CNRS 1InyMR0x. Diffusion soumise à autorisation]. Background : This study examines how changes in cognition over time are related to participation in social activities and the extent of social networks. Methods : Data are drawn from a population-based, longitudinal study that began in 1989 among elderly Taiwanese. An over-dispersed Poisson model is used to regress the number of failed cognitive tasks (0-5) in 1996,1999, and 2000 on prior measures of cognitive impairment, social activities, social networks, health status, and sociodemographic characteristics. The analysis sample comprises 2387 individuals, who contribute a total of 4603 observations across three survey intervals (1993-96,1996-99,1999-2000). Results : After adjusting for prior cognitive impairment, baseline health status, and sociodemographic factors, respondents who participated in one or two social activities failed 13% fewer cognitive tasks (P
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