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Abstract The theory of demographic transition served as the principal descriptive tool for fertility change in developing nations for more than 30 years. Weaknesses of the theory as both a descriptive and an explanatory framework have led largely to its rejection. While a number of alternative frameworks have been suggested, none has received the widespread support once accorded transition theory. This analysis reviews transition theory and argues for the theoretical importance of institutional factors in fertility decline. Sub‐Saharan Africa serves as the locus of the analysis because it remains the world region with the highest fertility and the one in which the transition is just beginning. The organization of agricultural production is hypothesized to be important for fertility behavior and is identified as one of three institutional areas in which rural sociology may be uniquely qualified to contribute.

SummaryThe paper examines the relationship between infant mortality and a complex measure of socioeconomic status for evidence of diminution. In data on counties in the United States with a minimum of 20 infant deaths over the 5-year period 1971–75, no evidence of a declining relationship between socioeconomic status and infant mortality was found. Both level of community affluence and racial composition of the population exerted direct effects on levels of infant deaths. In addition, both socioeconomic status and racial composition exhibited indirect effects which operated through teenage childbearing. When total infant mortality was subdivided, teenage fertility serves as a mediating variable in the link between socioeconomic status and neonatal mortality, but not for the postneonatal components. Given the nearly equivalent total effect of socioeconomic status on infant mortality, it is concluded that the classic division into neonatal (supposedly a function of biological and genetic agents) and postneonatal (traditionally attributed to social and environmental agents), may be too crude to allow the contemporary effects of the socioenvironmental milieu to be evaluated effectively.

Abstract The welfare of rural families in many African countries depends on their solidarity ties with urban kin. These ties often channel remittances from urban workers and support the education and economic mobility of children from rural families through fosterage into urban families. The continued operation of these rural‐urban solidarity networks, however, is challenged by recent economic downturns and increased urban poverty. Using Cameroon as a case study, we examine the effects of economic downturns on child fosterage as a component of changes in rural‐urban solidarity. Results show a net decline in rural outfosterage rates during the years of economic decline. Such findings raise concern for the economic mobility prospects for children from rural families, especially in a climate of increased competition for limited formalsector employment.

SummaryUnderstanding the social and cultural contextual determinants of sexual behaviour of adolescents and young adults is an essential step towards curtailing the spread of HIV. This study examined the effects of one cultural factor, ethnicity, on sexual abstinence, faithfulness, condom use at last sex, and risky sex among young people in Zimbabwe. Data from the cross-sectional, population-based 2005–06 Zimbabwe Demographic and Health Survey were used. Net of the effect of sociodemographic and social–cognitive factors, and using multinomial logistic regression, ethnicity was found to have a strong and consistent effect on sexual behaviour among youth. In addition, the study found that there were ethnic-specific and within-gender differences in sexual behaviour, for both men and women. Shona youth were more likely to be abstinent than Ndebele youth. Compared with Shona youth, Ndebele youth were more likely to have engaged in risky sex. However, Ndebele men were more likely have used condoms at last sex, compared with Shona men. For both men and women, sexual behaviour was more socially controlled. School attendance and religion exerted protective effects on sexual abstinence. For men only, those living in rural areas were less likely to be faithful and more likely to have engaged in risky sexual behaviour than those living in urban areas. The study attests to the fact that ethnic norms and ideologies of sexuality need to be identified and more thoroughly understood. In addition, the study provides evidence that in order to promote safe and healthy sexuality among young people in Zimbabwe, cultural, social and gender-specific approaches to the development of HIV prevention strategies should be seriously considered. Current success in the Abstinence, Being faithful and Condom use (ABC) approach could be strengthened by recognizing and responding to cultural forces that reproduce and perpetuate risky sexual behaviours.

Abstract Despite lower average incomes, greater percentages living in poverty, lower levels of health insurance, less preventive health care, and poorer health status, nonmetropolitan residents have been found to experience lower mortality than their metropolitan counterparts. Several pathways through which residence influences mortality have been proposed. The objective of this study is to examine the effects of income inequality on residential differentials in mortality. Using data from the Compressed Mortality File for counties in the coterminous United States for 1990, we estimate weighted least squares models of total mortality for 3,067 counties, and separately for metropolitan and nonmetropolitan counties. Mortality is lower in nonmetropolitan counties than in metropolitan counties, once rates are standardized for age, sex, and race. Moreover, income inequality exerts stronger effects in nonmetro counties, an effect that persists when per capita income, median household size, and racial composition are controlled. The percentage of the population that is black exerts an independent effect on mortality in both metro and non‐metro counties.