Results of a cluster randomised controlled trial to reduce risky use of alcohol, alcohol-related HIV risks and improve help-seeking behaviour among safety and security employees in the Western Cape, South Africa

Table 2 Risky alcohol use practices among municipal safety and security staff****

Risky use of alcohol outcomes	Group*	Baseline				3-month follow-up				F-statistic	P-value
Risky use of alcohol outcomes	Group*	N	*Mean*	SE	*95% CI*	N	*Mean*	SE	*95% CI*
Binge drinking (Days having 5 or more drinks in past 30 days)	I	136	0.070 (2.1 days)**	0.010	0.053-0.093	75	0.045 (1.4 days)**	0.007	0.033-0.062	F(1,117) =25.16	P < 0.0001
	C	121	0.052 (1.6 days)**	0.008	0.038-0.071	63	0.070 (2.1 days)**	0.012	0.050-0.097	F(1,117) =25.16	P < 0.0001
Going to work with a hangover***	I	136	0.233	0.041	0.161-0.324	75	0.129	0.041	0.067-0.234	F(1,117) =0.24	P = 0.626
Going to work with a hangover***	C	121	0.276	0.047	0.193-0.379	63	0.198	0.055	0.111-0.333	F(1,117) =0.24	P = 0.626
Calling in sick as a result of a hangover***	I	136	0.095	0.029	0.051-0.169	75	0.046	0.023	0.017-0.121	F(1,117) =0.01	P = 0.905
Calling in sick as a result of a hangover***	C	121	0.111	0.033	0.061-0.194	63	0.060	0.029	0.022-0.152	F(1,117) =0.01	P = 0.905
CAGE	I	136	0.177	0.035	0.118-0257	75	0.099	0.035	0.048-0.194	(F1,117) =0.08	P = 0.773
CAGE	C	121	0.136	0.033	0.082-0.215	63	0.089	0.037	0.038-0.193	(F1,117) =0.08	P = 0.773

*I = Intervention; C = Control.
**Corresponding reduction in days. Variable analysed as a count variable.
***Hangover variables showed no group × time effect but significant time effects (see Results section).
Bold interface signifies significant group × time effect.
****Of those who consume alcohol.

ISSN: 1747-597X