Age at maturation, body structure and their relationship with socioeconomic factors.

In this study, we aimed to identify the differences in body structure between early, average, and late maturing girls, taking into account family characteristics assessing socio-economic and living conditions. This study was conducted in the years 2003 and 2013 in Warsaw, Poland and comprised 788 girls in the age group of 11-19 years. The data were collected using a questionnaire which included parental education and profession, girls' date of birth, age at menarche, and lifestyle characteristics.

Alcohol Use and HIV Prevention Among Personnel in the Belize Defence Force.

To evaluate the effect of a peer-based risk reduction project on alcohol use and sexual behavior within Belize Defence Force personnel. We used a quasi-experimental, mixed quantitative and qualitative methods design to evaluate project outcomes. Two serial cross-sectional surveys were conducted [baseline (n = 126) and 6-month follow-up (n = 128)] using computer assisted self-interview.