TABLE 3.
Characteristic | Ever Had Sexual Intercourse | Had ≥4 Lifetime Sexual Partners | Currently Sexually Activea | Did Not Use Condom at Last Intercourseb | Used Alcohol or Drugs Before Last Sexual Intercourseb | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n (%)c | aPRd | 95% CI | n (%)c | aPRd | 95% CI | n (%)c | aPRd | 95% CI | n (%)c | aPRd | 95% CI | n (%)c | aPRd | 95% CI | |
How often took prescription drugs without a doctor’s prescription | |||||||||||||||
Never | 9282 (39.9) | — | Referent | 2554 (10.1) | — | Referent | 6410 (27.2) | — | Referent | 2288 (35.8) | — | Referent | 921 (14.0) | — | Referent |
1–2 times | 1202 (66.0) | 1.10 | 1.04–1.16 | 422 (23.4) | 1.27 | 1.14–1.41 | 909 (51.4) | 1.21 | 1.14–1.28 | 381 (42.4) | 1.08 | 0.96–1.21 | 248 (26.7) | 1.20 | 1.03–1.40 |
3–19 times | 1584 (78.9) | 1.19 | 1.11–1.28 | 729 (36.3) | 1.50 | 1.35–1.67 | 1266 (63.3) | 1.30 | 1.20–1.41 | 568 (46.5) | 1.13 | 1.00–1.27 | 477 (37.2) | 1.33 | 1.15–1.53 |
≥20 times | 984 (88.4) | 1.33 | 1.23–1.44 | 602 (53.4) | 1.80 | 1.60–2.03 | 801 (72.1) | 1.32 | 1.20–1.46 | 452 (57.0) | 1.30 | 1.16–1.47 | 423 (51.2) | 1.55 | 1.31–1.83 |
For all categories, P for trend <.0001.
Had sexual intercourse with ≥1 person during the 3 mo before the survey.
Among students who were currently sexually active.
Sample n is unweighted; percentage is weighted.
Adjusted for sex, race/ethnicity, grade level, alcohol, marijuana, cocaine, heroin, methamphetamines, inhalants, ecstasy, and IDU.