TABLE 1.
Baseline demographic and clinical characteristics of the evaluative sample (N=79)
| Contingency Management n=40 |
Non-Contingent Control n=39 |
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|---|---|---|---|---|---|---|---|---|
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| ||||||||
| n | % | Mean | SD | n | % | Mean | SD | |
| Demographic Characteristics | ||||||||
| Age | 44.55 | 9.92 | 46.23 | 10.55 | ||||
| Male | 26 | 65% | 24 | 62% | ||||
| Race | ||||||||
| Caucasian | 23 | 57% | 21 | 53% | ||||
| African American | 13 | 33% | 10 | 26% | ||||
| Other | 4 | 10% | 8 | 21% | ||||
| Homeless or unstably housed | 16 | 40% | 15 | 39% | ||||
| Psychiatric Medications | ||||||||
| Antidepressants | 12 | 30% | 11 | 28% | ||||
| Mood stabilizers | 4 | 10% | 6 | 15% | ||||
| Antipsychotics | 9 | 23% | 9 | 23% | ||||
| Naltrexone | 0 | 0% | 1 | 3% | ||||
| Diagnosis | ||||||||
| Major depressive disorder | 14 | 35% | 12 | 31% | ||||
| Bipolar disorder | 14 | 35% | 15 | 38% | ||||
| Schizophrenia-spectrum disorder | 12 | 30% | 12 | 31% | ||||
| Substance Use Characteristics | ||||||||
| Self-reported days of alcohol use in the 30 days prior to study entry | 14.50 | 7.75 | 17.41 | 9.08 | ||||
| Self-reported days of alcohol intoxication in the 30 days prior to study entry | 12.90 | 7.83 | 14.95 | 10.52 | ||||
| Positive urine analysis for illicit drugs | 15 | 38% | 20 | 51% | ||||
| Moderate-high nicotine dependence (assessed by Fagerstrom) | 19 | 24% | 14 | 18% | ||||
| % Addiction treatment attendance | 57% | 34% | 53% | 37% | ||||
Note: All differences are non-significant.