Table 1.

Socio-demographic Factors Associated with HIV seropositivity among IDUs in Xichang City, Sichuan Province, China

Factor	N	% HIV+ [N]	Odds Ratio [95% CI]	P-value
Total	314	17.8 [56]
Referred by peers
No	65	15.4 [10]	1.0
Yes	249	18.5 [46]	1.25 [0.59, 2.63]	0.56
Sex
Male	269	19.7 [53]	1.0
Female	45	6.7 [3]	0.29 [0.09, 0.98]	0.03
Age
<29 years	136	21.3 [29]	1.0
≥29 years	178	15.2 [27]	0.66 [0.37, 1.18]	0.16
Ethnicity
Han	192	11.5 [22]	1.0
Other	122	27.9 [34]	2.98 [1.65, 5.41]	<0.01
Years of education
≤6	120	21.7 [26]	1.0
>6	194	15.5 [30]	0.66 [0.37, 1.18]	0.16
Employed
Yes	192	19.3 [37]	1.0
No	122	15.6 [19]	0.77 [0.42, 1.42]	0.40
Marital Status
Married or cohabited	83	10.8 [9]	1.0
other	231	20.4 [47]	2.10 [0.98, 4.50]	0.05
Owning a house
No	230	17.0 [39]	1.0
Yes	84	20.2 [17]	1.24 [0.66, 0.34]	0.50
Yearly income in 2003
<1,000 dollars	119	16.0 [19]	1.0
≥1,000 dollars	195	19.0 [37]	1.23 [0.67, 2.26]	0.49
MMT participation
No	259	18.5 [48]	1.0
Yes	55	14.6 [8]	0.75 [0.33, 1.69]	0.48

MMT, methadone maintenance therapy.