Table I.

Participant characteristic by recruitment site

	KAMPUNG BARU	SHAH ALAM	KAJANG	ALL SITES
	n = 127 (100%)	n = 208 (100%)	n = 126 (100%)	n = 461 (100%)
DEMOGRAPHICS
Age
Mean (SD)	39.4 (8.7)	38.5 (9.3)	38.7 (9.5)	38.8 (9.2)
Gender
Male	111 (87.4%)	207 (99.5%)	125 (100%)	443 (96.3%)
Female	16 (12.6%)	1 (0.5%)	0 (0%)	17 (3.7%)
Ethnicity
Malay	111 (87.4%)	197 (94.7%)	108 (86.4%)	416 (90.4%)
Chinese	5 (3.9%)	3 (1.4%)	4 (3.2%)	12 (2.6%)
Indian	11 (8.7%)	7 (3.4%)	13 (10.4%)	31 (6.7%)
Other	0 (0%)	1 (0.5%)	0 (0%)	1 (0.2%)
Income +
At or below poverty line	23 (18.1%)	32 (15.4%)	49 (39.2%)	104 (22.6%)
Education
Completed secondary school	56 (44.1%)	96 (46.2%)	65 (52.0%)	217 (47.2%)
Personal network size
Mean (SD)	17.6 (24.3)	26.1 (33.9)	13.6 (17.2)	20.3 (28.1)
DRUG USE
Years of Drug Injection
Mean (SD)	15.8 (9.3)	14.7 (9.0)	14.9 (9.5)	15.1 (9.2)
Injection frequency+
Injections per day, mean (SD)	3.5 (1.6)	3.1 (1.5)	3.6 (1.8)	3.4 (1.6)
Daily injector	118 (92.9%)	183 (88.0%)	119 (95.2%)	420 (91.3%)
HIV RISK BEHAVIORS+
Receptive syringe sharing	10 (7.9%)	61 (29.3%)	19 (15.2%)	90 (19.6%)
Receptive needle sharing	81 (63.8%)	49 (23.6%)	72 (57.6%)	202 (43.9%)
Cooker sharing	48 (37.8%)	105 (50.5%)	48 (38.4%)	201 (43.7%)
Any receptive sharing of needles or   syringes	81 (63.8%)	64 (30.8%)	76 (60.8%)	221 (48.0%)
Any needle or syringe sharing partners	11 (8.7%)	79 (38.0%)	19 (15.1%)	109 (23.7%)
Other person administered injection	47 (37.0%)	109 (52.4%)	52 (41.3%)	208 (45.1%)
Injected with a stranger	20 (15.7%)	35 (16.8%)	24 (19.0%)	79 (17.1%)
No needle exchange use, prior 6   months	20 (15.7%)	189 (90.8%)	68 (54.4%)	277 (60.2%)
Unprotected sexual intercourse	28 (22.1%)	75 (36.1%)	33 (26.4%)	136 (29.6%)

⁺Assessed in prior 30 days unless otherwise noted.