Characteristic | Value |
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) |