Prevalence, Circumstances, and Risk Factors of Falls Among Community Dwelling Members of University of the Third Age.

The transition from adolescence to adulthood involves a variety of physical, behavioral, and social transformations, often including tobacco use. Because understanding smoking at this stage is important for tobacco control, we aimed to analyze the prevalence of cigarette smoking in the Brazilian youth population. This study included participants aged 16-25 years from all Brazilian capitals.

Factors Associated with HIV and Vulnerability Contexts for Women in Brazil.

The purpose of this study was to identify factors associated with HIV and vulnerability contexts for women in Porto Alegre, Brazil. The participants were 1326 women recruited by complex sampling design, divided into two groups: 640 women with HIV (WLH) and 686 women who did not have HIV (WNLH). Gross and weighted statistical analyses were performed.