Prevalence of HIV among injection drug users in Georgia

Table 2 Univariable predictors of anti-HIV positivity among IDUs in five cities in Georgia, 2009

Characteristic	HIV+/total	% HIV+	OR	95% CI	P value¹
Age (years)
30 and under			1.0
31-40			10.8	1.4-84.5
41 and over			11.2	1.4-88.2	0.013
Education
Primary/secondary	13/611	2.1	1.0
Incomp. higher/higher	9/497	1.8	0.85	0.4-2.0	0.707
Duration of drug use
0-4 years	2/376	0.5	1.0
5-9 years	2/260	0.8	1.45	0.2-10.4
10+ years	18/472	3.8	7.41	1.7-32.2	0.001
Frequency of injection
Not in last week	6/553	1.1	1.0
<Daily	13/405	3.2	3.02	1.1-8.0
Daily	3/145	2.1	1.92	0.5-7.8	0.067
Age at first use (years)
Under 15	5/213	2.3	1.0
15-19	14/721	1.9	0.83	0.3-2.3
20-24	3/136	2.2	0.94	0.2-4.0	0.812
25+	0/38	-	-
Part of regular injecting group
Yes	18/782	2.3	1.0
No	4/326	1.2	0.53	0.2-1.6	0.243
Injected in another city/country in last year
Yes	12/488	2.4	1.0
No	10/620	1.6	1.5	0.7-3.6	0.316
Ever shared a syringe
Yes	17/653	2.6	1.0
No	4/437	0.9	0.43	0.2-1.2	0.102
Engage in safe drug practice at last injection²
Yes	12/535	2.2	1.0
No	10/573	1.7	0.77	0.3-1.8	0.553
Condom use with any partner at last intercourse
Yes	7/241	2.9	1.0
No	10/778	1.3	0.44	0.2-1.16	0.086
Always condom use with any partner in last year
Yes	3/101	3.0	1.0
No	19/985	4.9	1.5	0.4-5.3	0.490
Type of drug used last month
Ephedrone³	2/95	2.1	1.0
Subutex^®4	1/197	0.5	0.24	0.02-2.6
Heroin	11/381	2.9	1.4	0.30-6.3
Other	1/34	2.9	1.4	0.12-16.0
Multiple	7/401	1.7	0.82	0.17-4.0	0.394
History of imprisonment or detainment
No	5/539	0.9	1.0
Yes	17/569	3.0	3.29	1.2-8.9	0.014
City of residence
Tbilisi	7/306	2.3	1.0
Gori	0/187	-	-
Telavi	3/205	1.5	0.63	0.2-2.5
Zugdidi	3/204	1.5	0.64	0.2-2.5
Batumi	9/206	4.4	1.95	0.7-5.3	0.174

¹ - P value derived from x²test
² - Safe injecting practice at last injection was measured by combination of different indicators, such as: not usage of previously used syringe, not usage of syringe left at a place of gathering by somebody else, not usage of prefilled syringe, not usage of shared equipment, not usage of drug solution from shared container, not usage of liquid diluted with somebody else's blood.
³ - Self-made amphetamine type stimulant
⁴ - Buprenorphine