Table 3 Risk ratio and risk difference of transition to lower AUDIT category and change in AUDIT mean scores from baseline to 6 month follow-up, Intention to treat analysis (ITT)
From: A pragmatic randomised trial of two counselling models at the Swedish national alcohol helpline
AUDIT risk level at follow-up % | Change in AUDIT risk level | |||||||
n | l | II | III | IV | % | Risk ratio (95% CI) | Risk difference (95% CI) | |
Brief structured intervention | 107 | 29.9 | 40.2 | 13.1 | 16.8 | 68.2 | 1.12 (0.93 to 1.37) | 0.08 (−0.05 to 0.20) |
Usual care | 117 | 25.6 | 40.2 | 14.5 | 19.7 | 60.7 | Reference | |
n | Baseline mean (sd) | Follow-up mean (sd) | Mean difference (95%CI) | Mean difference between groups (95% CI) | ||||
AUDIT score | ||||||||
Brief, structured intervention | 107 | 19.7 (5.8) | 11.7 (6.9) | −7.9 (−9.3 to −6.4) | 0.87 (−1.0 to 2.8) | |||
Usual care | 117 | 19.1 (5.7) | 12.1 (7.3) | −7.1 (−8.4 to −5.7) | ||||
AUDIT C score | ||||||||
Brief, structured intervention | 107 | 7.8 (2.2) | 5.0 (2.8) | −2.8 (−3.3 to −2.3) | 0.20 (−0.53 to 0.92) | |||
Usual care | 117 | 7.6 (2.0) | 5.0 (2.8) | −2.6 (−3.1 to −2.1) | ||||