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. Author manuscript; available in PMC: 2008 Feb 5.
Published in final edited form as: Drug Alcohol Depend. 2007 Jul 2;91(1):57–68. doi: 10.1016/j.drugalcdep.2007.05.011

Table 1.

Characteristics of the Total, Drug Court, and Non-Drug Court Samples

Total Sample Drug Court Sample Non-Drug Court Sample t-test/chi - square p level
n=475 n=274 n=201
n % n % n %
Age (mean) 30.36 30.65 29.965 0.5007
Male 368 77.47% 218 79.56% 150 74.63% 0.2042
African American 218 45.89% 122 44.53% 96 47.76% 0.4855
Hispanic 66 13.89% 34 12.41% 32 15.92% 0.2753
Other race 19 4.00% 13 4.74% 6 2.99% 0.3347
White 172 36.21% 105 38.32% 67 33.33% 0.2647
Education < high school graduate 219 46.11% 118 43.07% 101 50.25% 0.1213
High school graduate, <some college 167 35.16% 95 34.67% 72 35.82% 0.796
Some college or greater education 89 18.74% 61 22.26% 28 13.93% 0.0215
Married 112 23.58% 68 24.82% 44 21.89% 0.4589
Employed full/part-time 264 55.58% 166 60.58% 98 48.76% 0.0103
Employed other 122 25.68% 67 24.45% 55 27.36% 0.4742
Unemployed 89 18.74% 41 14.96% 48 23.88% 0.0138
Income $10,000 + 164 34.60% 104 38.10% 60 29.85% 0.0624
Prior arrests (mean) 6.451 6.547 6.318 0.7052
Total prior prison sentences (mean) 0.3696 0.3447 0.4031 0.4987
Drug offender probation supervision 340 71.58% 208 99.27% 68 33.83% <.0001
Felony probation supervision 135 28.42% 2 0.73% 133 66.17% <.0001
Felt need for drug treatment 111 23.47% 77 28.21% 34 17.00% 0.0044
Received treatment before baseline 182 38.48% 121 44.32% 61 30.50% 0.002
Drug problem recognition scale 2.098 2.249 1.887 0.0003
Desire for help with drugs scale 2.898 2.982 2.78 0.0042
Pressure to get help with drugs scale 2.93 3.192 2.561 <.0001
Social support scale 3.773 3.776 3.768 0.938
Primary care responsibilities for child 144 30.32% 73 26.64% 71 35.32% 0.0421
Alcohol use past 6 months 355 74.74% 215 78.47% 140 69.65% 0.0289
Marijuana use past 6 months 274 57.68% 165 60.22% 109 54.23% 0.1925
Illicit non-marijuana use past 6 mos. 151 31.79% 97 35.40% 54 26.87% 0.0485
Drinking scale (10 indicator mean) 0.0888 0.1047 0.0672 0.0079
Drug use scale (7 indicator mean) 0.2271 0.2596 0.1827 0.0004
Mental health diagnosis 121 25.47% 72 26.28% 49 24.38% 0.6397
Public attorney 337 71.10% 199 72.89% 138 68.66% 0.3156
Colorado Symptom Index (CSI) 27.124 26.996 27.299 0.7565