Determinants and Correlates of Preventive Behaviors at First Sex With a First Partner and Second Partner: Analysis of the FECOND Study

摘要

Purpose: This study explores transitions in contraceptive use in early sexual life in France and has three objectives: describe predictors of contraceptive use at first sex with first and second partners, describe contraceptive trajectories in these partnerships, and test associations between use at first sex and switching in first partnership on use with second partner.