期刊
INTERNATIONAL JOURNAL OF EPIDEMIOLOGY
卷 34, 期 4, 页码 864-871出版社
OXFORD UNIV PRESS
DOI: 10.1093/ije/dyi049
关键词
cognitive impairment; cognitive function; social networks; social activity; social contact; Taiwan
资金
- NIA NIH HHS [R01 AG 16790, R01 AG 16661] Funding Source: Medline
- NICHD NIH HHS [P30 HD 32030] Funding Source: Medline
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 < 0.01) than those with no social activities; those who engaged in three or more activities failed 33% fewer cognitive tasks (P < 0.001). In contrast, none of the social network measures was related to cognitive impairment. Conclusions Despite a social structure where elderly persons often live with their children and social interaction is likely to be more family-centered than in western countries, data from Taiwan suggest that participation in social activities outside the family may have a bigger impact on cognitive function than social contacts with family or non-relatives.
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