TABLE 1.
Psychiatry outpatients with depression and hazardous drinking and/or drug use: clinical and service differences based on whether or not patients were advised by a provider to reduce substance use (n = 97)
| Advised to reduce use (n = 29) | Not advised (n = 68) | t or χ2 | Significance | |
|---|---|---|---|---|
| Age (mean/SD) | 39.9 (12.2) | 44.0 (14.0) | 1.4 | .176 |
| Gender (% female) | 65.5 | 66.2 | .01 | .564 |
| Ethnicity (%) | 1.1 | .893 | ||
| White | 82.8 | 83.8 | ||
| Black | 6.9 | 5.9 | ||
| Other | 10.3 | 10.3 | ||
| BDI-II score | ||||
| Baseline | 27.5 (10.1) | 23.8 (10.6) | 1.6 | .110 |
| 6 months* | 22.1 (11.7) | 16.6 (11.8) | 2.1 | .039 |
| Drinks in prior 30 days | ||||
| Baseline* | 33.5 (30.6) | 21.3 (2.6) | 2.0 | .049 |
| 6 months | 17.2 (17.6) | 14.8 (17.6) | .6 | .550 |
| Any hazardous drinking (%) | ||||
| Baseline | 72.4 | 69.1 | .1 | .473 |
| 6 months | 68.5 | 48.5 | 2.4 | .094 |
| Cannabis use (%) | ||||
| Baseline | 34.5 | 26.5 | .4 | .287 |
| 6 months | 34.5 | 26.5 | .4 | .287 |
| Services received (%) | ||||
| Intensive outpatient* | 58.6 | 35.3 | 4.5 | .029 |
| Medication management | 82.4 | 86.2 | .2 | .444 |
| Individual psychotherapy | 93.1 | 85.3 | 1.1 | .238 |
| Total number of usual care psychiatry visits (mean/SD) | 8.8 (12.7) | 9.3 (12.6) | .2 | .837 |
| Randomized to MI (parent study condition) (%) | 55.2 | 48.5 | .36 | .353 |
| Mentioned parent study to usual care provider (%) | 35.0 | 25.9 | .95 | .330 |
Alcohol and drug use and hazardous drinking questions refer to consumption in the previous 30 days. BDI-II = Beck Depression Inventory-II; MI = motivational interviewing.
*
p <.05.