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

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

Variables	Time	Control	Intervention	F^a	F^b	F^c
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 (%)			B^c (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)

Analyses controlling for baseline scores, participant gender, age, education, and marital status.
**P < 0.01.
^aTime effects; ^bGroup effects; ^cTime x Group effects.

ISSN: 1471-2458