Table 2.

Total Sample Means (Standard Errors) for Treatment Group X Time Interaction Effects and Time Main Effects for Past 30 Day Risky Drug-Use and Sex Items (N = 230)

Variable	Interim Group	Standard/Restored Group	Time	Time Main Effect Test Statistic	P
Drug-use items, Mean (SE)
Number of times injected				F(2, 212) = 76.9	<.001
Baseline	47.3 (5.3)	41.7 (4.6)	44.5 (3.5)
4-month	1.0 (1.1)	3.0 (1.0)	2.0 (.76)
12-month	3.3 (1.5)	4.5 (1.4)	3.9 (1.0)
Number of times injected with dirty needles				F(2, 221) = 2.8	.062
Baseline	.51 (.35)	.57 (.30)	.54 (.23)
4-month	.04 (.03)	.00 (.03)	.02 (.02)
12-month	.00 (.00)	.00 (.00)	.00 (.00)
Number of times shared cookers, cotton, or rinse water				F(2, 225) = 4.0	.020
Baseline	1.9 (.71)	.60 (.62)	1.2 (.47)
4-month	.04 (.03)	.00 (.03)	.02 (.02)
12-month	.05 (.04)	.02 (.03)	.04 (.02)
Number of times injected with other injectors				F(2, 154) = 19.6	<.001
Baseline	10.8 (2.7)	11.6 (2.4)	11.2 (1.8)
4-month	.23 (.24)	.36 (.21)	.29 (.16)
12-month	.73 (.50)	.95 (.44)	.84 (.33)
Number of people with whom shared works				F(2, 224) = 1.3	.272
Baseline	.13 (.20)	.29 (.18)	.21 (.13)
4-month	.01 (.01)	.00 (.01)	.01 (.01)
12-month	.01 (.01)	.01 (.01)	.01 (.01)
Sex items, Mean (SE)
Number of times had sex without condom				F(2, 216) = 1.1	.335
Baseline	5.2 (.77)	5.0 (.67)	5.1 (.51)
4-month	5.1 (.74)	5.1 (.67)	5.1 (.50)
12-month	6.6 (1.0)	5.4 (.90)	6.0 (.68)
Number of times had sex without condom with non-primary sex partner				F(2, 228) = 4.2	.016
Baseline	.37 (.25)	.37 (.22)	.37 (.16)
4-month	.05 (.03)	.03 (.03)	.04 (.02)
12-month	.42 (.20)	.18 (.17)	.30 (.13)
Number of times had sex without condom with another injector				F(2, 133) = 1.2	.298
Baseline	.33 (.24)	.62 (.21)	.48 (.16)
4-month	.11 (.23)	.39 (.20)	.25 (.15)
12-month	.46 (.26)	.23 (.23)	.35 (.17)
Number of times had sex without condom with crack user				F(2, 219) = 1.7	.177
Baseline	.69 (.32)	.66 (.28)	.68 (.21)
4-month	.05 (.22)	.38 (.20)	.22 (.15)
12-month	.50 (.24)	.16 (.22)	.33 (.16)
Number of times had sex without condom while participant or partner was high				F(2, 203) = 32.5	<.001
Baseline	4.6 (.75)	4.6 (.65)	4.6 (.50)
4-month	.57 (.31)	.53 (.28)	.55 (.21)
12-month	.80 (.35)	.96 (.31)	.88 (.23)
Number of times had sex without condom while trading sex for drugs/money				F(2, 220) = 2.0	.135
Baseline	.08 (.09)	.11 (.09)	.08 (.06)
4-month	.02 (.01)	.00 (.01)	.01 (.01)
12-month	.45 (.23)	.03 (.21)	.24 (.16)

Note: N = 230 at baseline, 216 at 4-month follow-up, and 210 at 12-month follow-up.