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Seeman, T. E. (Dept of Epidemiology and Public Health, School of Medicine, Yale U., New Haven, CT 06510), G. A. Kaplan, L Knudsen, R. Cohen, and J. Quratnik. Social network ties and mortality among the ekterty in the Alameda County Study. Am J Epidemiol 1987; 126:714–23.

Seventeen-year mortality data from the Alameda County Study are used to examine the relative importance of social ties as predictors of survival at different ages, ranging from 38–94 years at baseline. Previous analyses of Alameda County data by Berkman and Syme (Am J Epidemiol 1979;109:186–204) have shown that such ties are significant predictors of lower nine-year mortality risk for persons aged less than 70 years at baseline. Proportional hazard analyses indicate that social ties are also significant predictors of lower 17-year mortality risks for those aged 70 and older after adjusting for age, sex, race, baseline health …