Table I.
Down Your Drink trial: data description
| Intervention (n = 1880) | Control (n = 1866) | ||||
|---|---|---|---|---|---|
| Baseline variables | |||||
| Age (years) | 37.5 | (10.9) | 37.5 | (10.9) | |
| Male | 45% | 44% | |||
| Has degree | 51% | 50% | |||
| AUDIT-C score (0 to 12) | 8.4 | (2.1) | 8.4 | (2.1) | |
| EQ-5D score ( −0.6 to 1) | 0.85 | (0.18) | 0.85 | (0.18) | |
| Confidence score (1 to 5) | 2.8 | (1.2) | 2.8 | (1.2) | |
| TOT-AL (units/week) | 56.0 | (36.8) | 54.7 | (37.3) | |
| log(TOT-AL + 1) | 3.80 | (0.82) | 3.77 | (0.84) | |
| Compliance variables | |||||
| No. of logins in the first month: | 0 | 5% | 5% | ||
| 1 | 59% | 72% | |||
| ≥ 2 | 36% | 23% | |||
| No. of pages hit in the first month | 64.9 | (78.6) | 12.7 | (12.8) | |
| Complier at 1 month | 78% | — | |||
| No. of logins in the first 3 months: | 0 | 4% | 5% | ||
| 1 | 51% | 60% | |||
| ≥ 2 | 45% | 35% | |||
| No. of pages hit in the first 3 months | 70.4 | (89.7) | 13.7 | (13.9) | |
| 1-month outcome variables | |||||
| Responded | 50% | 60% | |||
| TOT-AL (units/week) | 39.8 | (34.0) | 39.5 | (32.8) | |
| log(TOT-AL + 1) | 3.30 | (1.10) | 3.30 | (1.10) | |
| 3-month outcome variables | |||||
| Responded | 38% | 46% | |||
| TOT-AL (units/week) | 38.6 | (32.6) | 37.0 | (32.5) | |
| log(TOT-AL + 1) | 3.25 | (1.12) | 3.18 | (1.18) | |
Values are arithmetic mean (SD) or %. AUDIT-C, Alcohol Use Disorders Identification Test-C; EQ-5D, EuroQol Five Dimensional.