Primary outcomes at 33 months by study group
| Unadjusted results | Adjusted model results | |||
| Control N (%valid) | Intervention N (%valid) | OR/IRR | 95% CI | |
| HED (frequency) | ||||
| None | 3773 (74.4) | 4281 (83.0) | 0.60 | 0.49 to 0.73 |
| One or more occasion | 1300 (25.6) | 879 (17.0) | ||
| Missing | 1286 | 1219 | ||
| ARH (frequency) | ||||
| None | 3126 (60.7) | 3408 (65.1) | 0.92 | 0.78 to 1.05 |
| One or more occasion | 2020 (39.3) | 1826 (34.9) | ||
| Missing | 1213 | 1145 | ||
| Median (IQR) | 0 (2) | 0 (3) | ||
ARH, alcohol-related harm; HED, heavy episodic drinking; IRR, incidence rate ratio.