TABLE 1.
Selected baseline characteristics of Prime Time trial participants, by group assignment, 2007–2008
| Characteristic | All (N=253) |
Intervention (N=126) |
Control (N=127) |
|---|---|---|---|
| PERCENTAGE DISTRIBUTIONS | |||
| Age | |||
| 13 | 2 | 1 | 2 |
| 14 | 18 | 14 | 22 |
| 15 | 26 | 29 | 24 |
| 16 | 28 | 27 | 28 |
| 17 | 26 | 29 | 24 |
| Race/ethnicity | |||
| Native American | 3 | 3 | 2 |
| Asian/Pacific Islander | 12 | 10 | 13 |
| Black | 41 | 45 | 38 |
| Hispanic | 12 | 17 | 8 |
| White | 11 | 6 | 16 |
| Mixed | 21 | 19 | 23 |
| No. of parents/guardians in home† | |||
| 0 | 3 | 4 | 2 |
| 1 | 45 | 46 | 44 |
| 2 | 42 | 38 | 46 |
| ≥3 | 10 | 12 | 8 |
| No. of places lived in past six months | |||
| 1 | 59 | 58 | 61 |
| 2 | 25 | 25 | 23 |
| ≥3 | 16 | 17 | 16 |
| Family received public assistance in past year | |||
| No | 47 | 43 | 51 |
| Yes | 32 | 33 | 32 |
| Unsure | 21 | 24 | 17 |
| Currently enrolled in school | |||
| Yes | 95 | 94 | 96 |
| No | 5 | 6 | 4 |
| Ever suspended from school | |||
| Yes | 70 | 65 | 75 |
| No | 30 | 35 | 25 |
| No. of male partners in past six months | |||
| 1 | 66 | 65 | 57 |
| 2 | 20 | 26 | 24 |
| ≥3 | 14 | 9 | 19 |
| Condom use with most recent partner‡ | |||
| Never | 12 | 14 | 9 |
| <half of the time | 33 | 32 | 33 |
| >half of the time | 24 | 23 | 26 |
| Every time | 31 | 31 | 32 |
| Total | 100 | 100 | 100 |
| MEANS | |||
|
No. of male partners in past six months (range, 1–13) |
1.67 (0.07) | 1.54 (0.21) | 1.76 (0.07) |
|
No. of months used hormonal contraceptives with most recent partner (range, 0–7)‡ |
2.08 (0.38) | 2.06 (0.29) | 2.10 (0.50) |
|
Proportion of months used dual methods with most recent partner‡ |
0.15 (0.02) | 0.15 (0.01) | 0.15 (0.04) |