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Table 2 Socio-demographic and behavioral correlates of sharing needles and syringes in the past month before a survey in Podgorica, Montenegro, 2013 (unweighted analysis)

From: Prevalence of HIV and other infections and correlates of needle and syringe sharing among people who inject drugs in Podgorica, Montenegro: a respondent-driven sampling survey

Variable n / N Prevalence of sharing needles and syringes in the past month before a survey (%) with 95% CI Unadjusted OR Adjusted OR
(95% CI) a (95% CI)
Age group (years)    p = 0.054 p = 0.010b
 ≤25 4/64 6.2 (2.4–15.0) 1.00 1.00
 ≥26 53/335 15.8 (12.3–20.1) 2.81 (0.98–8.08) 4.16 (1.44–14.77)
Sex    p = 0.123 p = 0.039
 Male 48/359 13.4 (10.2–17.3) 1.00 1.00
 Female 9/40 22.5 (12.3–37.5) 1.88 (0.84–4.20) 2.53 (1.04–6.12)
Monthly income    p = 0.041 p = 0.051
 >300 EUR 4/68 5.9 (2.3–14.2) 1.00 1.00
 ≤301 EUR 52/329 15.8 (12.3–20.1) 3.00 (1.05–8.60) 4.13 (0.99–18.77)
Frequency of injecting in the past month    p = 0.006 p = 0.008
 Once per day or less 19/202 9.4 (6.1–14.2) 1.00 1.00
 More than once per day 38/197 19.3 (14.4–25.4) 2.30 (1.27–4.15) 2.44 (1.25–4.73)
Number of sex partners in the past 12 months    p = 0.023 p = 0.009
 ≤3 26/242 10.7 (7.4–15.3) 1.00 1.00
 ≥4 28/147 19.1 (13.5–26.1) 1.95 (1.09–3.48) 2.35 (1.24–4.46)
Injected drugs in parks or on streets in the past month    p = 0.014 p = 0.010
 No 41/330 12.4 (9.3–16.4) 1.00 1.00
 Yes 16/66 24.2 (15.5–35.8) 2.25 (1.17–4.32) 2.61 (1.25–5.44)
Provided with free sterile needles and syringes in the past 12 monthsc    p = 0.009 p = 0.008
 Yes 49/381 12.9 (9.9–16.6) 1.00 1.00
 No 6/16 37.5 (18.5–61.4) 4.06 (1.41–11.68) 5.74 (1.58–20.9)
  1. aOR = odds ratio; 95% CI = 95% confidence interval.
  2. b p values represent significance test for heterogeneity across the variable.
  3. cThis refers to being given free-of-charge needles and syringes by NGOs and/or the Primary Health Care Centre.