Table 3.
Variable | Baseline | 4-month follow-up | Sig. |
---|---|---|---|
Days of heroin use in past 30 days, mean (SE)a | 29.8 (.121) | 25.7 (1.068) | <.001 |
Heroin-positive urinalysis, percent (SE)b | 98.7% (.013) | 84.0% (.042) | <.01 |
Days of cocaine use in past 30 days, mean (SE)a | 7.1 (1.178) | 6.1 (1.053) | NS |
Cocaine-positive urinalysis, percent (SE)b | 67.6% (.054) | 64.9% (.056) | NS |
Days of illegal activity in past 30 days, mean (SE)a | 6.7 (1.306) | 6.1 (1.179) | NS |
Money from illegal sources in past 30 days, in $, mean (SE)a | 468.1 (117.383) | 321.5 (124.476) | NS |
Money spent on drugs in past 30 days, in $, mean (SE)a | 802.4 (95.440) | 450.3 (55.340) | <.01 |
Paired-samples t-test. n=79 due to approximately 10% lost-to-follow and missing data.
Paired-samples test of proportions. n=75 due to approximately 10% lost-to-follow and missing data.