Ziraba et al. BMC Public Health 2011, 11:663 http://www.biomedcentral.com/1471-2458/11/663 Page 7 of 10 Table 3 Multinomial logistic regression model for determinants of “HIV testing status” Not tested Vs CITC Variables OR [95% CI] Gender (Ref = Female) Male 0.47*** [0.38,0.58] Slum (Ref = Korogocho) Viwandani 0.94 [0.75,1.17] Age category (Ref = 20-24 yrs) <20 yrs 0.59** [0.40,0.87] 25-29 yrs 0.83 [0.62,1.12] 30-34 yrs 0.71* [0.52,0.98] 35-39 yrs 0.44*** [0.31,0.62] 40-44 yrs 0.35*** [0.23,0.54] 45-49 yrs 0.34*** [0.21,0.55] 50+ yrs 0.58 [0.27,1.26] Education (Ref = Primary) No schooling 1.50 [0.85,2.68] Secondary 1.26* [1.01,1.57] Higher 3.04* [1.00,9.18] Don’t know 0.82 [0.36,1.84] Ethnicity (Ref = Kikuyu) Luhya 0.65** [0.48,0.87] Luo 0.79 [0.59,1.05] Kamba 0.96 [0.72,1.27] Others 0.83 [0.59,1.16] Marital Status (Ref = Married) Divorced/separated/widowed 1.65** [1.19,2.27] Never married 0.71* [0.54,0.93] Wealth Index (Ref = Richest) Poorest 20% 1.09 [0.78,1.51] 2nd 1.17 [0.87,1.59] 3rd 0.97 [0.73,1.30] 4th 1.18 [0.88,1.57] Mobility (Ref = Less mobile) Highly mobile 1.13 [0.83,1.54] Stigma Index (Ref = Least stigmatising) Most stigmatising 0.65** [0.49,0.86] Moderate 0.88 [0.71,1.09] HIV status (Ref = Negative) Positive 1.60** [1.15,2.22] Not known 1.39* [1.08,1.80] HIV Knowledge level (Ref = 2nd) Lowest 0.64** [0.48,0.84] 3rd 1.04 [0.77,1.42] 4th 0.90 [0.67,1.22] Highest 0.86 [0.66,1.12] Good to know HIV status (Ref = Yes) No 0.32*** [0.16,0.63] Knows HIV/AIDS facility (Ref = Yes) No 0.60*** [0.48,0.74] Sex with other partners in 1 year (Ref = No) Yes 0.87 [0.60,1.27] Age at sex debut (Ref = Less than 15 yrs) 15-19 yrs 0.95 [0.73,1.24] 20 + yrs 1.02 [0.73,1.42] * p < 0.05; ** p < 0.01; *** p < 0.001 Not tested Vs PITC OR [95% CI] 0.16*** [0.12,0.21] 1.07 [0.83,1.39] 0.76 [0.48,1.20] 0.84 [0.61,1.16] 0.65* [0.45,0.94] 0.43*** [0.29,0.64] 0.41*** [0.26,0.66] 0.32*** [0.18,0.59] 0.77 [0.27,2.18] 1.47 [0.79,2.73] 1.09 [0.84,1.42] 2.19 [0.53,8.97] 1.36 [0.61,3.03] 0.67* [0.47,0.95] 0.88 [0.63,1.24] 0.89 [0.64,1.25] 1.31 [0.90,1.89] 0.94 [0.64,1.37] 0.28*** [0.19,0.40] 0.92 [0.61,1.37] 1.16 [0.82,1.64] 0.94 [0.68,1.32] 1.25 [0.90,1.72] 1.02 [0.72,1.45] 0.76 [0.55,1.04] 0.84 [0.65,1.07] 1.30 [0.89,1.92] 1.29 [0.96,1.73] 0.79 [0.58,1.08] 0.81 [0.55,1.18] 0.92 [0.65,1.30] 0.75 [0.54,1.03] 0.16*** [0.06,0.43] 0.79* [0.62,1.00] 0.79 [0.45,1.38] 1.18 [0.84,1.65] 1.62* [1.07,2.44]