Table 1.

Distribution of study participant baseline characteristics at 26- and 52-week follow-up visits.

	Total				Indonesia				Ukraine				Vietnam
	26 w		52 w		26 w		52 w		26 w		52 w		26 w		52 w
	N	%	N	%	N	%	N	%	N	%	N	%	N	%	N	%
Overall	373	100.0	345	100.0	81	100.0	77	100.0	161	100.0	150	100.0	131	100.0	118	100.0
Personal characteristics
≥ 35 years old	179	48.0	169	49.0	31	38.3	30	39.0	77	47.8	71	47.3	71	54.2	68	57.6
Male	309	82.8	284	82.3	73	90.1	69	89.6	105	65.2	97	64.7	131	100.0	118	100.0
Employed full-time	109	29.2	98	28.4	23	28.4	22	28.6	22	13.7	19	12.7	64	48.9	57	48.3
Secondary school, or less	228	61.1	203	58.8	21	25.9	18	23.4	82	50.9	73	48.7	125	95.4	112	94.9
Married/live with sex partner	187	50.1	172	49.9	28	34.6	30	39.0	101	62.7	95	63.3	58	44.3	47	39.8
Intervention group	94	25.2	92	26.7	19	23.5	18	23.4	42	26.1	39	26.0	33	25.2	35	29.7
CD4 count ≥ 200 cells/mm3	274	73.5	253	73.3	50	61.7	50	64.9	118	73.3	109	72.7	106	80.9	94	79.7
Drug use pattern by type and number of drugs
Combination of drug within 1 group
Any use of opiate	372	99.7	343	99.4	81	100.0	77	100.0	160	99.4	148	98.7	131	100.0	118	100.0
Any use of stimulant	167	44.8	161	46.7	59	72.8	57	74.0	78	48.4	78	52.0	30	22.9	26	22.0
Any use of other drug	218	58.4	201	58.3	63	77.8	62	80.5	130	80.7	120	80.0	25	19.1	19	16.1
At least 2 opiates	150	40.2	143	41.4	18	22.2	20	26.0	115	71.4	106	70.7	17	13.0	17	14.4
At least 2 stimulants	45	12.1	46	13.3	1	1.2	1	1.3	39	24.2	40	26.7	5	3.8	5	4.2
At least 2 other drugs	67	18.0	65	18.8	22	27.2	23	29.9	45	28.0	42	28.0	0	0.0	0	0.0
Combination of different groups of drugs
At least 2 groups of drugs	167	44.8	161	46.7	59	72.8	57	74.0	78	48.4	78	52.0	25	19.1	19	16.1
Drug use pattern by days injecting the previous month
>20 days	230	61.7	221	64.1	44	54.3	44	57.1	100	62.1	96	64.0	86	65.6	81	68.6