Table 3.
Overall and Time-specific Intervention Effect on HIV Risk Behaviors of Index Participants as Compared to the Comparison Index Participants, CHAT study (n=169)
| Time Specific 1 | Overall 2 (Wave1–4) | |||
|---|---|---|---|---|
| (Wave 2) | (Wave 3) | (Wave 4) | ||
| OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | |
| Sex risk behaviors (past 30 days) | ||||
| >=2 sex partners | 0.28 (0.13,0.63)** | 1.28(0.61,2.71) | 0.98(0.42,1.92) | 0.78(0.47,1.32) |
| Unprotected anal sex | 1.61(0.68,3.78) | 0.40(0.16,1.01)+ | 0.24(0.09,0.68)** | 0.70(0.40,1.25) |
| Unprotected vaginal sex | 0.82(0.43,1.57) | 0.64(0.34,1.22) | 0.47(0.25,0.87)* | 0.64(0.40, 1.02)+ |
| Unprotected sex with main partner | 1.15(0.60,2.20) | 0.74(0.39,1.42) | 0.41(0.21,0.77)** | 0.70(0.45,1.10) |
| Unprotected sex with non-main partner | 0.91(0.44,1.87) | 0.36(0.16,0.84)* | 0.33(0.14,0.79)* | 0.59 (0.36,0.95)* |
| Any high risky sexual behavior | 0.50(0.23,1.07)+ | 0.92 (0.45,1.87) | 0.30(0.14,0.64)** | 0.52(0.31, 0.85)* |
| Drug use behaviors (past 6 months) | ||||
| Crack use | 1.30(0.71,2.38) | 1.08(0.59,1.97) | 0.77(0.41,1.42) | 0.95(0.60,1.51) |
| Used any cocaine or heroin | 1.12(0.60,2.10) | 1.20(0.64,2.25) | 0.71(0.38,1.33) | 0.98(0.61,1.57) |
| HIV communication (past 6 months) | ||||
| Talk to family about HIV or STIs | 2.68(1.22,5.89)* | 2.82(1.41,5.64)** | 2.41(1.25,4.65)** | 2.14(1.34,3.42)** |
| Talk to partner about HIV or STIs | 2.10(0.73,6.06) | 0.97(0.47,2.01) | 1.12(0.56,2.24) | 1.03(0.63,1.67) |
| Talk to friends about HIV or STIs | 2.04(0.90,4.63)+ | 1.23(0.60,2.51) | 1.90(0.94,3.83)+ | 1.65(1.04,2.61)* |
| Talked about HIV or STIs | 7.45(0.80,69.02)+ | 1.57(0.53,4.66) | 2.58(0.93,7.14)+ | 2.06(0.98,4.31)+ |
1
Longitudinal models included effects for intervention assignment, wave, and wave by intervention assignment interaction
2
Longitudinal models were fit as above excluding wave by intervention assignment interaction
+
p<.10,
*
p<.05,
**
p<.01