The relationships between sexual risk behaviors and general health risk behaviors among unmarried youth in Thailand.

Objectives: The prevalence and correlates of sexual risk behaviors among unmarried youth in Thailand are poorly documented. The objectives of this study were to compare the differences in sexual behaviors across age groups and gender and to identify the relationships between sexual risk behaviors and general health risk behaviors among unmarried Thai youth.

Methods: A population-based, nationally representative, cross-sectional survey was conducted between January and March 2013.