Table IV.

Demographics and baseline risk behaviors of participants at Chiang Mai, Thailand.

		Treatment Indexes N=87	Treatment Networks N=116	Control Indexes N=84	Control Networks N=112	Total N=399
Gender	Male	84 ( 97%)	86 ( 74%)	81 ( 96%)	78 ( 70%)	329 ( 82%)
	Female	3 ( 3%)	30 ( 26%)	3 ( 4%)	34 ( 30%)	70 ( 18%)
Age	18–30	46 ( 52%)	59 ( 51%)	43 ( 51%)	67 ( 60%)	215 ( 54%)
	31–40	23 ( 26%)	24 ( 21%)	21 ( 25%)	23 ( 21%)	91 ( 23%)
	40+	18 ( 21%)	33 ( 28%)	20 ( 24%)	22 ( 20%)	93 ( 23%)
Education	No or primary	55 ( 63%)	85 ( 73%)	52 ( 62%)	74 ( 66%)	266 ( 67%)
	Some secondary	29 ( 33%)	26 ( 22%)	26 ( 31%)	31 ( 28%)	112 ( 28%)
	Completed secondary	3 ( 3%)	5 ( 4%)	6 ( 7%)	7 ( 6%)	21 ( 5%)
Employment	Full time	58 ( 67%)	78 ( 67%)	46 ( 55%)	71 ( 63%)	253 ( 63%)
	Part time/occasional	20 ( 23%)	30 ( 26%)	30 ( 36%)	25 ( 22%)	105 ( 26%)
	Unemployed	9 ( 10%)	8 ( 7%)	8 ( 10%)	16 ( 14%)	41 ( 10%)
Non-injection drug use	Opiates (smoked)	19 ( 22%)	23 ( 20%)	14 ( 17%)	13 ( 12%)	69 ( 17%)
	Benzodiazepines	10 ( 11%)	8 ( 7%)	12 ( 14%)	7 ( 6%)	37 ( 9%)
	Crack/Cocaine (smoke)	0 ( 0%)	0 ( 0%)	0 ( 0%)	0 ( 0%)	0 ( 0%)
	Cocaine (snort or sniff)	0 ( 0%)	0 ( 0%)	0 ( 0%)	0 ( 0%)	0 ( 0%)
	Amphetamines (smoke)	35 ( 40%)	42 ( 36%)	41 ( 49%)	39 ( 35%)	157 ( 39%)
Alcohol use	None	2 ( 2%)	23 ( 20%)	8 ( 10%)	23 ( 21%)	56 ( 14%)
	Yes, but never drunk	27 ( 31%)	27 ( 23%)	26 ( 31%)	28 ( 25%)	108 ( 27%)
	Sometimes/always drunk	58 ( 67%)	66 ( 57%)	50 ( 60%)	61 ( 54%)	235 ( 59%)
Days injected in last month	0	10 ( 11%)	39 ( 34%)	13 ( 15%)	49 ( 44%)	111 ( 28%)
	1–5	35 ( 40%)	41 ( 35%)	35 ( 42%)	37 ( 33%)	148 ( 37%)
	6–29	38 ( 44%)	26 ( 22%)	32 ( 38%)	18 ( 16%)	114 ( 29%)
	Everyday	4 ( 5%)	10 ( 9%)	4 ( 5%)	8 ( 7%)	26 ( 7%)