Ti et al. BMC Public Health 2012, 12:189 http://www.biomedcentral.com/1471-2458/12/189 Page 5 of 9 Table 2 Bivariate analyses of factors associated with willingness to get free HIV testing at the MSHRC among IDU in Bangkok, Thailand (n = 244) HIV testing at MSHRC n (%) Yes 181 (74.2%) No 63 (25.8%) Odds Ratio(95% CI) p - value Characteristic Gender Female Male Median age ≥ 37 years old < 37 years old Relationship status Married/common law, regular partner Separated, dating, single Education level ≥ secondary education < secondary education Heroin injection* > once per week ≤ once per week Midazolam injection* > once per week ≤ once per week Methamphetamine injection* > once per week ≤ once per week Lent or borrowed syringes to/from others* Yes No Enrolled in voluntary drug treatment* Yes No Had unprotected sex* Yes No Incarceration* Yes No Reporting barriers to accessing health services Any barriers No barriers Ever been to MSHRC Yes No * Activities in the previous six months IDU Injecting drug users MSHRC Mitsampan Harm Reduction Centre CI Confidence Interval 49 (27.1) 132 (72.9) 92 (50.8) 89 (49.2) 103 (56.9) 78 (43.1) 68 (37.6) 113 (62.4) 56 (30.9) 125 (69.1) 113 (62.4) 68 (37.6) 70 (38.7) 111 (61.3) 36 (19.9) 145 (80.1) 72 (39.8) 109 (60.22) 86 (47.5) 95 (52.5) 10 (5.5) 171 (94.5) 73 (40.3) 108 (59.7) 94 (51.9) 87 (48.1) 28 (44.4) 35 (55.6) 28 (44.4) 35 (55.6) 30 (47.6) 33 (52.4) 21 (33.3) 42 (66.7) 15 (23.8) 48 (76.2) 33 (52.4) 30 (47.6) 19 (30.2) 44 (69.8) 6 (9.5) 57 (90.5) 16 (25.4) 47 (74.6) 30 (47.6) 33 (52.4) 1 (1.6) 62 (98.4) 16 (25.4) 47 (74.6) 16 (25.8) 47 (74.6) 0.46 (0.26 - 0.84) 1.29 (0.73 - 2.30) 1.45 (0.82 - 2.58) 1.20 (0.66 - 2.20) 1.43 (0.74 - 2.77) 1.51 (0.85 - 2.69) 1.46 (0.79 - 2.70) 2.36 (0.94 - 5.90) 1.94 (1.02 - 3.68) 1.00 (0.56 - 1.77) 3.63 (0.45 - 28.91) 1.99 (1.05 - 3.77) 3.17 (1.68 - 6.01) < 0.01 0.01 0.38 0.20 0.55 0.28 0.16 0.23 0.06 0.04 0.99 0.30 0.03