Table 1.
Variable | Patients using Marijuana n = 125 (40.7%) |
Patients not using Marijuana n = 182 (59.2%) |
Pa |
---|---|---|---|
M (SD) | M (SD) | ||
Demographic Characteristics | |||
Race/ethnicity | |||
—n (% White) | 49 (39.2) | 68 (37.3) | .836 |
—n (% Black) | 23 (18.4) | 42 (23.0) | .399 |
—n (% Hispanic) | 32 (25.6) | 35 (19.2) | .253 |
—n (% Asian) | 16 (12.8) | 27 (14.8) | .735 |
—n (% other/unknown) | 5 (4.0) | 10 (5.4) | .743 |
Age | 33.59 (12.82) | 39.68 (12.89) | <.001 |
Sex—n (% female) | 82 (65.6) | 134 (73.6) | .165 |
Marital Status—n (% married) | 43 (34.4) | 86 (47.2) | .033 |
Employment—n (% employed) | 81 (64.8) | 123 (67.5) | .700 |
Income—n (% ≥ 50k) | 60 (48.0) | 103 (56.5) | .399 |
Clinical Characteristics | |||
PHQ-9 Depressionb score | 14.30 (5.84) | 13.64 (5.41) | .316 |
GAD-7 Anxietyc score | 11.21 (5.42) | 10.56 (4.97) | .289 |
SF-12 Mental Healthd | 29.12 (9.72) | 29.82 (9.46 | .534 |
Functioning score | |||
SF-12 Physical Healthe | 49.31 (10.64) | 49.38 (10.13) | .956 |
Functioning score | |||
Medical marijuana use—n(% use) | 33 (26.8) | – | – |
Alcohol use—n (% alcohol use) | 111 (88.8) | 172 (94.5) | .106 |
Tobacco use—n(% tobacco use) | 54 (43.2) | 49 (26.9) | <.004 |
Opioid use—n (% opioid use) | 12 (8.0) | 8 (5.0) | .406 |
Sedative use—n (% sedative use) | 8 (5.3) | 8 (5.0) | .492 |
Amphetamine use—n (% amphetamine use) | 2 (1.3) | 5 (3.1) | – |
Stimulant use—n (% stimulant use) | 2 (1.3) | 5 (3.1) | – |
Cocaine use—n (% cocaine use) | 3 (2.0) | 2 (1.2) | – |
Ecstasy use—n (% ecstasy use) | 5 (3.3) | 4 (2.5) | – |
Treatment Characteristics | |||
Psychiatry visits (average visitsf) | 1.49 (2.85) | 1.83 (2.84) | .302 |
MI treatment condition—n (% MI) | 65 (52.0) | 89 (48.9) | .676 |
Note. MI = motivational interviewing treatment condition; − = insufficient data were available to compute p-values.
Bivariate analyses were computed using χ2 (categorical) or independent sample t-tests (continuous) variables. Between-group comparisons were not computed for substance use variables because drug and alcohol use variables are not mutually exclusive.
Higher mean scores indicate worse depression severity.
Higher mean scores indicate worse anxiety severity.
Lower mean scores indicate worse mental health functioning.
Lower mean scores indicate worse physical health functioning.
Average number of psychiatry department visits within 30-days of baseline.