Table 1

Baseline characteristics of 285 adolescent and young adult female participants

Age, mean (SD)17.1 (1.5)
Maternal education > high school, %33.3
Age of first sexual intercourse, mean (SD)14.2 (1.6)
No. of lifetime partners, median (IQR)5.0 (3–7)
No. of partners last 3 months, mean (SD)1.3 (1.1)
Self-reported STD history, %63.7
Condom use at last sex, %46.0
Length of relationship in months, median; mean (SD)15.5; 25.0 (31.9)