Table 6 Number (and percentage) of students reporting a perceived drinking norm within each gender-adjusted ordinal category
Intention to treat | Per protocol | |||
|---|---|---|---|---|
Intervention | Control | Seen | Not seen | |
Non-drinker | 16 (6.8) | 19 (6.8) | 28 (7.3) | 6 (5.4) |
Within recommended limits* | 92 (39.3) | 102 (36.4) | 143 (37.2) | 43 (38.7) |
Slightly hazardous** | 42 (18.0) | 36 (12.9) | 63 (16.4) | 14 (12.6) |
Hazardous*** | 45 (19.2) | 67 (23.9) | 79 (20.6) | 28 (25.2) |
Harmful**** | 39 (16.7) | 56 (20.0) | 71 (18.5) | 20 (18.0) |
Geometric mean units per week (and 95% CI) - drinkers only | 17.7 (15.6 to 20.2) | 18.7 (16.6 to 21.0) | 18.3 (16.5 to 20.3) | 17.9 (14.8 to 21.6) |
Geometric mean units per week (and 95% CI) | 14.8 (12.7 to 17.3) | 15.6 (13.5 to 18.0) | 15.0 (12.6 to 19.4) | 15.7 (13.3 to 17.0) |
Median units per week | 18 | 20 | 18 | 19 |
Mean AUDIT C score | 6.4 (6.1 to 6.8) | 6.5 (6.2 to 6.9) | 6.5 (6.2 to 6.8) | 6.4 (5.8 to 7.1) |
‘Higher risk’ drinkers | 204 (86.1) | 249 (87.4) | 338 (86.7) | 100 (87.7) |
Median units on heaviest drinking occasion | 17.5 | 16 | 17 | 17 |