Table 1 Baseline sample characteristics of participants by intervention condition
From: Preliminary study of alcohol problem severity and response to brief intervention
Variable Mean (standard deviation) | Total sample (N = 51) | Brief intervention group (n = 27) | Control group (n = 24) | Sign. (p-value) |
|---|---|---|---|---|
Age (years) | 34.6 (12.4) | 35.3 (13.7) | 33.9 (11.0) | 0.680 |
Sex (% male) | 56.9% | 55.6% | 58.3% | 0.842 |
Education (years) | 15.1 (1.9) | 15.3 (2.0) | 15.0 (1.8) | 0.528 |
Drinks per day (past month) | 3.3 (1.8) | 3.5 (2.6) | 3.2 (1.7) | 0.573 |
Drinks per drinking day (past month) | 5.5 (2.0) | 5.5 (2.3) | 5.5 (1.6) | 0.878 |
% Days abstinent (past month) | 40.7% (23.8) | 37.4% (25.7) | 44.3% (21.3) | 0.306 |
DSM-5 AUD symptoms (total count) | 4.1 (2.5) | 4.1 (2.5) | 4.1 (2.7) | 0.985 |
Alcohol Use Disorders Identification Test (total score) | 17.5 (7.4) | 17.6 (7.2) | 17.5 (7.7) | 0.935 |
Penn Alcohol Craving Scale (total score) | 19.8 (6.6) | 19.9 (6.7) | 19.6 (6.7) | 0.874 |
% Cigarette use (past month) | 45.1% | 44.4% | 45.8% | 0.921 |
% Positive THC screen (urine drug test) | 27.5% | 30.0% | 25.0% | 0.712 |
Patient Health Questionnaire-9 (total score) | 5.4 (5.1) | 5.3 (5.1) | 5.4 (5.3) | 0.977 |
Generalized Anxiety Disorder 7-Item Scale (total score) | 4.0 (5.0) | 3.7 (5.0) | 4.4 (5.2) | 0.620 |