Appendix Table 1.

Response distribution for AUDIT items among MSM in Moscow, Russia

Domains	Items (Recall: last 12 months)	n	Col %
Domain 1	How often drink alcohol (n=1365)
	Never*	149	10.9
	Less than monthly	128	9.4
	Monthly	306	22.4
	Weekly	576	42.2
	Daily or almost daily	206	15.1
	How many drinks containing alcohol on a typical day when drinking (n=1197)
	1 or 2	301	25.1
	3 or 4	400	33.4
	5 or 6	255	21.3
	7 to 9	92	7.7
	10 or more	149	12.4
	How often having six or more drinks on one occasion (n=1207)
	Never	324	26.8
	Less than monthly	283	23.4
	Monthly	308	25.5
	Weekly	244	20.2
	Daily or almost daily	48	4.0
Domain 2	How often found not able to stop drinking once started (n=1201)
	Never	877	73.0
	Less than monthly	155	12.9
	Monthly	122	10.2
	Weekly	29	2.4
	Daily or almost daily	18	1.5
	How often failed to do what is normally expected (n=1191)
	Never	735	61.7
	Less than monthly	270	22.7
	Monthly	146	12.3
	Weekly	31	2.6
	Daily or almost daily	9	0.8
	How often needed a drink in the morning (n=1209)
	Never	870	72.0
	Less than monthly	162	13.4
	Monthly	101	8.4
	Weekly	53	4.4
	Daily or almost daily	23	1.9
Domain 3	How often had a feeling of guilt or remorse (n=1197)
	Never	713	59.6
	Less than monthly	238	19.9
	Monthly	160	13.4
	Weekly	56	4.7
	Daily or almost daily	30	2.5
	How often been unable to remember what happened (n=1202)
	Never	784	65.2
	Less than monthly	253	21.0
	Monthly	126	10.5
	Weekly	31	2.6
	Daily or almost daily	8	0.7
	Have you or has someone else been injured as a result of your drinking (n=1214)
	No	805	66.3
	Yes, but not in the past year	177	14.6
	Yes, during the past year	232	19.1
	Has anyone concerned about your drinking or suggested you cut down (n=1214)
	No	817	67.3
	Yes, but not in the past year	125	10.3
	Yes, during the past year	272	22.4

Cronbach’s alpha scale reliability coefficient for AUDIT: 0.8018;

^*Respondents to ‘Never’ drink skipped remaining questions