TABLE 3.
Sexually Transmitted Infections Over the 12-Month Postintervention Period, by Condition: Cape Town, South Africa, 2006–2008
| HIV Risk Reduction |
Control |
Wald χ2 |
|||||
| Moderator Variablea | % | Mean (SD) | % | Mean (SD) | Condition | Moderator | Condition × Moderator |
| No. of sexual partners in preceding mobc | 4.05* | 1.19 | 6.12** | ||||
| 0 or 1 | 6.1 | 0.10 (0.46) | 20.8 | 0.29 (0.64) | |||
| ≥2 | 23.0 | 0.30 (0.61) | 21.1 | 0.24 (0.49) | |||
| No. of unprotected vaginal/anal sex actscd | 6.64* | 1.51 | 3.15 | ||||
| 0 | 8.9 | 0.13 (0.49) | 20.8 | 0.28 (0.63) | |||
| ≥1 | 17.5 | 0.24 (0.59) | 21.2 | 0.26 (0.54) | |||
| No. of substance use episodes before sexcd | 4.65* | 0.06 | 1.09 | ||||
| 0 | 11.9 | 0.13 (0.39) | 19.7 | 0.27 (0.62) | |||
| ≥1 | 12.2 | 0.25 (0.78) | 23.0 | 0.27 (0.53) | |||
a
Variables include participants who attended all 5 follow-ups.
b
Average number of sexual partners reported at each follow-up.
c
Model includes named moderator, intervention condition, gender, Alcohol Use Disorders Identification Test score, and interaction terms.
d
Participants reporting no unprotected acts (or no substance use before sex) at each follow-up were coded as no; participants reporting unprotected acts (substance use before sex) at one or more follow-ups were coded as yes.
*P < .05; **P < .01.