We construct an integrated theory of formal and informal volunteer work based on the premises that volunteer work is (1) productive work that requires human capital, (2) collective behavior that requires social capital, and (3) ethically guided work that requires cultural capital. Using education, income, and functional health to measure human capital, number of children in the household and informal social interaction to measure social capital, and religiosity to measure cultural capital, we estimate a model in which formal volunteering and informal helping are reciprocally related but connected in different ways to different forms of capital. Using two-wave data from the Americans' Changing Lives panel study, we find that formal volunteering is positively related to human capital, number of children in the household, informal social interaction, and religiosity. Informal helping, such as helping a neighbor, is primarily determined by gender, age, and health. Estimation of reciprocal effects reveals that formal volunteering has a positive effect on helping, but helping does not affect formal volunteering.

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Objectives. Although a number of authors have proposed that older volunteers should benefit in terms of better health and well-being, few researchers have examined the issue empirically to see whether this is true. The purpose of this article is to build on this literature by empirically examining the association between volunteering and mortality among older adults.Methods. Using data from a nationally representative sample, we use Cox proportional hazards regression to estimate the effects of volunteering on the rate of mortality among persons aged 65 and older.Results. We find that volunteering has a protective effect on mortality among those who volunteered for one organization or for forty hours or less over the past year. We further find that the protective effects of volunteering are strongest for respondents who report low levels of informal social interaction and who do not live alone.Discussion. We discuss the possibility that the curvilinear relationship we observe between volunteering and mortality is due to a combination of factors, including self-identity, role strain, and meaningfulness. Other research using more precise data is needed to determine whether these ideas are supportable.

Progress in studying the relationship between religion and health has been hampered by the absence of an adequate measure of religiousness and spirituality. This article reports on the conceptual and empirical development of an instrument to measure religiousness and spirituality, intended explicitly for studies of health. It is multidimensional to allow investigation of multiple possible mechanisms of effect, brief enough to be included in clinical or epidemiological surveys, inclusive of both traditional religiousness and noninstitutionally based spirituality, and appropriate for diverse Judeo-Christian populations. The measure may be particularly useful for studies of health in elderly populations in which religious involvement is higher. The measure was tested in the nationally representative 1998 General Social Survey ( N = 1,445). Nine dimensions have indices with moderate-to-good internal consistency, and there are three single-item domains. Analysis by age and sex shows that elderly respondents report higher levels of religiousness in virtually every domain of the measure.

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