Table 1.

Bivariate analyses of factors associated with being tested for HIV in the past six months among IDU in Bangkok, Thailand (n = 244)

	Tested for HIV in past six months n (%)
Characteristic	Yes 186 (76.2%)	No 58 (23.8%)	Odds Ratio(95% CI)	p - value
Gender
Female	54 (29.0)	23 (39.7)	0.62 (0.34 - 1.15)	0.13
Male	132 (71.0)	35 (60.3)
Median age
≥ 37 years old	96 (51.6)	24 (41.4)	1.51 (0.83 - 2.74)	0.17
< 37 years old	90 (48.4)	34 (58.6)
Relationship status
Married/common law, regular partner	100 (53.8)	33 (56.9)	0.88 (0.49 - 1.60)	0.68
Separated, dating, single	86 (46.2)	25 (43.1)
Education level
≥ secondary education	66 (35.5)	23 (39.7)	0.84 (0.46 - 1.53)	0.56
< secondary education	120 (64.5)	35 (60.3)
Heroin injection*
> once per week	54 (29.0)	17 (29.3)	0.99 (0.52 - 1.89)	0.97
≤ once per week	132 (71.0)	41 (70.7)
Midazolam injection*
> once per week	114 (61.3)	32 (55.2)	1.29 (0.71 - 2.33)	0.41
≤ once per week	72 (38.7)	26 (44.8)
Methamphetamine injection*
> once per week	71 (38.2)	18 (31.0)	1.37 (0.73 - 2.58)	0.32
≤ once per week	115 (61.8)	40 (69.0)
Lent or borrowed syringes to/from others*
Yes	33 (17.7)	9 (15.5)	1.17 (0.53 - 2.62)	0.70
No	153 (82.3)	49 (84.5)
Enrolled in voluntary drug treatment*
Yes	75 (40.3)	13 (22.4)	2.34 (1.18 - 4.63)	0.01
No	111 (59.7)	45 (77.6)
Had unprotected sex*
Yes	87 (46.8)	29 (50.0)	0.88 (0.49 - 1.59)	0.67
No	99 (53.2)	29 (50.0)
Incarceration*
Yes	11 (5.9)	0 (0.0)	--	0.07
No	175 (94.1)	58 (100.0)
Reporting barriers to accessing health services
Any barriers	68 (36.6)	21 (36.2)	1.02 (0.55 - 1.87)	0.96
No barriers	118 (63.4)	37 (63.8)
Ever been to MSHRC
Yes	90 (48.4)	20 (34.5)	1.78 (0.96 - 3.29)	0.06
No	96 (51.6)	38 (65.5)
In tenofovir trial
Yes	132 (71.0)	3 (5.2)	44.81 (13.44 - 149.45)	< 0.01
No	54 (29.0)	55 (94.8)

* Activities in the previous six months

IDU Injecting drug users

MSHRC Mitsampan Harm Reduction Centre

CI Confidence Interval