Table 1.
Baseline Characteristics of Study Sample
| Variable | MI (N = 47) |
SOMI (N = 46) |
NTC (N = 46) |
Overall Sample (N = 139) |
||||
|---|---|---|---|---|---|---|---|---|
| M or % | SD | M or % | SD | M or % | SD | M or % | SD | |
| Demographics | ||||||||
| Age (years) | 43.7 | 11.09 | 43.39 | 13.53 | 43.0 | 13.34 | 43.4 | 12.6 |
| Male | 44.7 | 41.3 | 43.5 | 43.2 | ||||
| Race/Ethnicity | ||||||||
| Non-Hispanic, White/Caucasian | 66.0 | 71.7 | 69.6 | 69.0 | ||||
| Hispanic/Latino, any race | 23.4 | 13.0 | 15.2 | 17.3 | ||||
| Other | 10.6 | 15.3 | 15.2 | 13.7 | ||||
| Education | ||||||||
| High school diploma/GED and under | 10.6 | 8.7 | 2.2 | 7.2 | ||||
| Some college/Associates | 23.4 | 19.6 | 26.1 | 23.0 | ||||
| Bachelor’s degree | 36.2 | 47.8 | 26.1 | 36.7 | ||||
| Some graduate school or higher | 29.8 | 23.9 | 45.7 | 33.1 | ||||
| Employment | ||||||||
| Employed | 91.5 | 63.0 | 78.3 | 77.7 | ||||
| Unemployed/Looking for work | 2.1 | 15.2 | 10.9 | 9.4 | ||||
| Not in labor force/not looking for work | 6.4 | 21.7 | 10.9 | 13.0 | ||||
| Drinking Severity | ||||||||
| Mean sum of standard drinks per week | 30.6 | 11.5 | 31.3 | 15.0 | 31.3 | 16.1 | 31.1 | 14.2 |
| Mean drinks per drinking day | 6.3 | 2.8 | 5.9 | 2.3 | 6.2 | 2.6 | 6.1 | 2.6 |
| Short Inventory of Problems (SIP) | 13.5 | 8.7 | 12.4 | 8.0 | 13.5 | 5.9 | 13.1 | 7.6 |
| Alcohol Dependence Scale (ADS) | 13.6 | 5.3 | 13.5 | 6.6 | 14.7 | 5.5 | 13.9 | 5.8 |
| Number of alcohol dependence criteria met | 5.0 | 1.6 | 4.7 | 1.7 | 5.5 | 1.6 | 5.1 | 1.7 |
| Any drug use | 40.4 | 26.1 | 28.3 | 31.7 | ||||
| Beck’s Depression Inventory-II Score (BDI-II) | 13.9 | 9.0 | 14.7 | 9.9 | 12.4 | 8.3 | 13.7 | 9.1 |
| Ever received formal treatment for substance use problem | 23.4 | 39.1 | 37.0 | 33.1 | ||||
| Readiness to Change Questionnaire Item Mean* | 1.1 | .36 | .92 | .41 | 1.1 | .36 | 1.1 | .38 |
| Average Daily Commitment | 5.6 | 1.6 | 4.9 | 1.7 | 5.2 | 1.8 | 5.2 | 1.8 |
p < .05