Table 2.

Time-specific unadjusted relative risk ratios for change in frequency of conversation about HIV prevention topics comparing experimental to control group.

		Time (T1) RRR (95% CI)	Time (T2) RRR (95% CI)	Time (T3) RRR (95% CI)	Time (T4) RRR (95% CI)
HIV testing
At least once a month vs. Never		1.00 (0.54 – 1.84)	1.80 (0.88 – 3.66)	1.48 (0.76 – 2.87)	2.11 (0.99 – 4.48)
At least few times a week vs. Never		0.59 (0.30 – 1.14)	1.86 (0.87 – 3.95)	1.45 (0.62 – 3.37)	1.77 (0.77 – 4.05)
HIV transmission
At least once a month vs. Never		1.14 (0.63 – 2.03)	2.07 (1.00 – 4.31)	1.68 (0.86 – 3.26)	1.90 (0.94 – 3.83)
At least few times a week vs. Never		0.82 (0.39 – 1.69)	3.22 (1.39 – 7.46)**	1.75 (0.71 – 4.31)	4.57 (1.56 – 13.43)**
Needle cleaning
At least once a month vs. Never		1.25 (0.66 – 2.36)	4.52 (2.07 – 9.89)***	2.61 (1.29 – 5.25)**	1.62 (0.77 – 3.41)
At least few times a week vs. Never		1.28 (0.69 – 2.40)	4.35 (1.88 – 10.07)**	2.41 (1.06 – 5.49)*	2.03 (0.88 – 4.71)
Needle sharing
At least once a month vs. Never		0.90 (0.46 – 1.76)	4.24 (1.74 – 10.37)**	2.50 (1.18 – 5.32)*	3.21 (1.45 – 7.14)**
At least few times a week vs. Never		1.18 (0.64 – 2.17)	4.35 (1.80 – 10.54)**	2.31 (1.06 – 5.00)*	1.68 (0.75 – 3.76)
Condom use
At least once a month vs. Never		0.88 (0.46 – 1.69)	2.10 (0.97 – 4.57)	1.96 (0.95 – 4.03)	2.81 (1.28 – 6.17)*
At least few times a week vs. Never		0.56 (0.30 – 1.04)	2.25 (1.05 – 4.84)*	1.93 (0.91 – 4.07)	3.06 (1.35 – 6.95)**

^*P<0.05;

^**P<0.01;

^***P<0.001;

CI: confidence interval; RRR: relative risk ratio; T1: baseline; T2: 6-month; T3: 12-month; T4: 18-month visits