Table 2.
Program Comparisons for Drug Metabolite Positive Urine Samples, Multiple Sexual Partners, and Knowledge by Condition at Baseline, 4 and 8 Months.a
| Baseline | 4 months | 8 months | |||||
|---|---|---|---|---|---|---|---|
| Urine testing profile | n | % | n | % | n | % | p b |
| Marijuana | |||||||
| NCM + CM (n = 124) | 75 | 60.48 | 60 | 48.39 | 62 | 50.00 | .048 |
| SE + CM (n = 141) | 60 | 46.15 | 52 | 40.00 | 51 | 39.23 | .358 |
| Cocaine | |||||||
| NCM + CM (n = 124) | 40 | 32.26 | 7 | 5.65 | 14 | 11.29 | .001 |
| SE + CM (n = 130) | 44 | 33.85 | 10 | 7.69 | 9 | 6.92 | .001 |
| Methamphetamine | |||||||
| NCM + CM (n = 124) | 90 | 72.58 | 21 | 16.94 | 29 | 23.39 | .001 |
| SE + CM (n = 130) | 92 | 70.77 | 36 | 27.69 | 37 | 28.46 | .001 |
| Amphetamine | |||||||
| NCM + CM (n = 124) | 61 | 49.19 | 20 | 16.13 | 25 | 20.16 | .001 |
| SE + CM (n = 130) | 63 | 48.46 | 28 | 21.54 | 32 | 24.62 | .001 |
| Opiates | |||||||
| NCM + CM (n = 124) | 6 | 4.84 | 7 | 5.65 | 9 | 7.26 | .660 |
| SE + CM (n = 141) | 10 | 7.69 | 12 | 9.23 | 6 | 4.62 | .018 |
| Sexual activity profile | |||||||
| Multiple partners | |||||||
| NCM + CM (n = 148) | 55 | 37.16 | 30 | 20.27 | 22 | 14.86 | .001 |
| SE + CM (n = 163) | 57 | 34.97 | 28 | 17.18 | 30 | 18.40 | .001 |
| HIV/AIDS knowledge profilec | Mean | Mean | Mean | p b | |||
| Total knowledge (mean) | |||||||
| NCM + CM (n = 152) | 7.32 | 16.97 | 16.70 | .001 | |||
| SE + CM (n = 162) | 7.30 | 17.25 | 16.98 | .001 | |||
| Baseline mean | 4-month mean | 8-month mean | p b | ||||
| Cognitive knowledge | |||||||
| NCM+CM (n = 150) | 5.27 | 7.69 | 7.50 | .001 | |||
| SE+CM (n = 162) | 5.25 | 7.78 | 7.73 | .001 | |||
| Transmission knowledge | |||||||
| NCM + CM (n = 152) | 1.85 | 9.28 | 9.20 | .001 | |||
| SE + CM (n = 162) | 1.86 | 9.46 | 9.25 | .001 | |||
| HBV knowledge profile (mean) | |||||||
| NCM + CM (n = 152) | 5.58 | 10.40 | 10.19 | <.001 | |||
| SE + CM (n = 161) | 5.57 | 10.23 | 9.30 | <.001 | |||
| Cognitive knowledge profile (mean) | |||||||
| NCM + CM (n = 140) | 3.85 | 4.79 | 4.51 | .004 | |||
| SE + CM (n = 137) | 4.11 | 4.59 | 4.47 | .472 | |||
| Transmission (mean) | |||||||
| NCM + CM (n = 137) | 1.74 | 6.09 | 5.77 | <.001 | |||
| SE + CM (n = 145) | 1.74 | 5.74 | 5.14 | <.001 | |||
a
For participants with nonmissing outcome values at each time period. bFor change over time based on log-linear modeling chi-square test and on multilevel linear regression (for knowledge). cA person who answered at least 19 items correctly (the upper quartile score) was considered to have a high score of HIV/AIDS knowledge.