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Table 2 Alcohol-related outcome measures at baseline, 6-month and 12-month follow-up

From: Screening and brief interventions for hazardous and harmful alcohol use among hospital outpatients in South Africa: results from a randomized controlled trial

Variables Time Control Intervention Fa Fb Fc
AUDIT total score (M,SD) Baseline 11.3 (3.4) 12.7 (3.4) (1,195) = 7.72** (1,198) = 2.35 (1,194) = .06
6 months 6.3 (4.6) 7.0 (4.5)
12 months 7.3 (6.8) 7.2 (5.8)
Heavy episodic drinking score (M, (SD) Baseline 1.9 (0.8) 1.9 (0.8) (1,195) = 3.97* (1,198) = .34 (1,194) = 1.17
6 months 0.9 (1.1) 1.1 (1.0)
12 months 1.1 (1.3) 1.1 (1.4)
   N (%) N (%)    Bc (95% CI)
Harmful alcohol use (AUDIT score = 16-19 or more) Baseline 29 (14.8) 43 (21.9)    0.06 (−0.39 to 0.50)
6 months 5 (4.6) 5 (3.9)
12 months 24 (17.3) 12 (8.4)
  1. Analyses controlling for baseline scores, participant gender, age, education, and marital status.
  2. **P < 0.01.
  3. aTime effects; bGroup effects; cTime x Group effects.