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Table 2 Logistic regression analysis of risk factors associated with LTBI

From: Prevalence of latent tuberculosis infection and associated risk factors in an urban African setting

Risk factor TST ≥ 10 mm TST < 10 mm   
N (%) N (%) Unadjusted OR (95% CI) Adjusted OR (95%CI)
140(49) 143(51%)
Sex     
 Male 54(39) 37(26) 1.80(1.08,2.98)  
 Female 86(61) 106(74) 1.00  
Age group (years)     
 15-24 40(29) 71(50) 1.00 1.00
 25-34 55(39) 48(33) 2.03(1.78,3.52) 1.94(1.12,3.38)
 35+ 45(32) 24(17) 3.33(1.77,6.24) 3.12(1.65,5.88)
Education (years)     
 No education 13(9) 15(10) 1.00  
 1-7 73(52) 64(45) 1.32(0.58,2.97)  
 8-13 44(31) 56(39) 0.91(0.39,2.10)  
 >13 10(7) 8(6) 1.44(0.44,4.74)  
Marital Status     
 Never married 26(19) 47(32.9) 1.00  
 Currently married 76(54) 65(45.4) 2.11(1.18,3.78)  
 Previously married 38(27) 31(29.7) 2.22(1.13,4.35)  
Religion     
 Catholic 44(31) 57(40) 0.82(0.38,1.85)  
 Protestant 47(34) 40(28) 1.25(0.55,2.85)  
 Muslim 34(24) 30(21) 1.21(0.51,2.85)  
 Other* 15(11) 16(11) 1.00  
Smoking status     
 Never smoker 107(76) 121(85) 1.00  
 Previous smoker 11(8) 10(7) 1.24(0.51,3.04)  
 Current smoker 22(16) 12(8) 2.07(0.98,4.39)  
HIV status     
 Negative 110(80) 111(78)   
 Positive 28(20) 31(22) 0.91(0.52,1.62)  
Missing 3 1   
History of TB disease     
 Yes 7(4) 5(4) 0.72(0.22,2.32)  
 No 136(96) 135(96) 1.00  
Leave home for school or employment     
 Yes 91(65) 71(50) 1.88(1.17,3.04) 1.72(1.05,2.81)
 No 49(35) 72(50) 1.00 1.00
Chronic cough(> = 2 weeks)     
 Yes 98(70) 85(59) 1.59(0.97,2.60)  
 No 42(30) 58(41) 1.00  
  1. TST: Tuberculin Skin Test OR = Odds Ratio CI = Confidence Interval.
  2. Bold numbers are statistically significant findings.