TABLE 1.
Alcohol use and problems for responders (n = 9), non-responders who received a BMI (n = 14), and non-responders who received assessment-only (n = 14)
| Baseline M (SD) | Six-week M (SD) | Ten-week M (SD) | Effect sizes | ||
|---|---|---|---|---|---|
| dWG | dBG | ||||
| Binge drinking episodes | |||||
| Responders | 1.67 (2.50) | 1.00 (0.86) | 2.22 (2.68) | 0.44 | |
| Non-Responders, BMI | 6.67 (3.79) | 6.35 (4.29) | 4.57 (2.14) | 0.52 | 0.08 |
| Non-Responders, assessment | 7.05 (3.17) | 6.55 (2.33) | 5.06 (3.33) | 0.36 | |
| Drinks per week | |||||
| Responders | 10.11 (6.43) | 6.67 (5.93) | 8.56 (6.27) | 0.33 | |
| Non-Responders, BMI | 19.35 (8.34) | 19.5 (11.23) | 17.07 (9.77) | 0.50 | 0.57 |
| Non-Responders, assessment | 21.86 (9.96) | 23.83 (10.69) | 16.50 (9.57) | 0.66 | |
| Typical BAL | |||||
| Responders | 0.065 (.059) | 0.069 (.036) | 0.072 (.054) | 0.05 | |
| Non-Responders, BMI | 0.115 (.051) | 0.110 (.051) | 0.104 (.049) | 0.11 | 0.72 |
| Non-Responders, assessment | 0.115 (.059) | 0.144 (.052) | 0.101 (.067) | 0.78 | |
| YAAPST, 20-item version | Past year | Past month | Past month | ||
| Responders | 16.69 (1.00) | 0.22 (0.44) | 0.55 (0.88) | 0.39 | |
| Non-Responders, BMI | 19.35 (8.34) | 2.93 (1.94) | 1.50 (0.94) | 0.89 | 0.30 |
| Non-Responders, assessment | 15.88 (2.14) | 3.11 (1.91) | 2.22 (1.99) | 0.43 | |
Note. At six-week assessment, students who continued to drink in risky fashion were assigned to BMI or Assessment only.
Abbreviations: BAL = blood alcohol level; YAAPST = Young Adult Alcohol Problems Screening Test; BMI = Brief Motivational Intervention Within-group d calculated from six- to ten-week follow-ups.