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A comparison in the mean number of heavy drinking days (five or more drinks/day for men, four or more for women)
| Variable | Experimental (n = 493) | Control (n = 493) | p |
| Baseline, M (SD) | 7.2 (3.7) | 7.1 (3.3) | .751 |
| 6 months, M (SD) | 5.3 (4.2) | 5.8 (4.1) | |
| 12 months, M (SD) | 5.3 (4.3) | 5.5 (3.7) | .148a |
| % Change, baseline to 12 months | 26.3% | 23.3% |
Mixed effects repeated measures model found a β = 0.4, SE = 0.3, p = .148.
