Difference in alcohol consumption variables (AUDIT-C)
| AUDIT item | Standard care (N=127) | Brief intervention (N=122) | Statistic |
| Baseline | |||
| AUDIT 1 | Mean=2.74 (SD=0.83) | Mean=2.76 (SD=0.89) | t (247)=−0.19; p=0.85 |
| AUDIT 2 | Mean=1.59 (SD=1.12) | Mean=1.53 (SD=1.14) | t (247)=0.40; p=0.69 |
| AUDIT 3 | Mean=1.88 (SD=1.01) | Mean=1.84 (SD=1.16) | t (247)=0.32; p=0.75 |
| 12 months | |||
| AUDIT 1 | Mean=2.31 (SD=1.07) | Mean=2.33 (SD=0.94) | t (247)=−0.17; p=0.87 |
| AUDIT 2 | Mean=1.16 (SD=1.14) | Mean=1.15 (SD=1.03) | t (247)=0.04; p=0.97 |
| AUDIT 3 | Mean=1.51 (SD=1.16) | Mean=1.41 (SD=1.13) | t (247)=0.65; p=0.52 |
AUDIT 1=How often do you have a drink containing alcohol?
AUDIT 2=How many drinks containing alcohol do you have on a typical day when you are drinking?
AUDIT 3=How often do you have six or more drinks on one occasion?
Baseline tests are based on two-tailed distributions while 12-month scores are based on one-tailed distribution.