We extend the recent literature on peer effects to test the possible role of asymmetric social influences in the determination of youth smoking. We analyzed cigarette smoking among people aged 15-24 in approximately 90,000 households in the 1992-1999 U.S. Current Population Surveys. The presence...

Objective We evaluated the impact of Seguro Popular (SP), a program introduced in 2001 in Mexico primarily to finance health care for the poor. We focused on the effect of household enrollment in SP on pregnant women's access to obstetrical services, an important outcome measure of both maternal...

This article is the eighth in a series exploring the importance of research design, statistical analysis, and epidemiology in nutrition and dietetics research. It is the second article in that series focused on multivariate statistical analytical techniques. This review examines the statistical...

This article defines qualitative research as applied in the field of dietetics to increase knowledge and competency in evaluating this type of research. The authors explain the design of qualitative studies, explore congruence with quantitative research, and provide examples of applications in...