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Table 1 TB positivity as detected by LED microscopy among different socio-demographic factors of prison inmates in North Gondar Zone Prison, using logistic and multivariable logistic regression analysis, N = 250

From: Prevalence of smear positive pulmonary tuberculosis among prisoners in North Gondar Zone Prison, northwest Ethiopia

Variables No. tested (%) No. positive (%) No. negative (%) Crude OR 95%CI Adjusted OR 95%CI
Age (in years)       0.792 0.537-1.170
0-20 31(12.4) 2(6.5) 29(93.5) 0.906 0.076-10.788   
21-30 108(43.2) 15(13.9) 93(86.1) 0.388 0.48-3.141   
31-40 51(20.4) 6(11.8) 45(88.2) 0.469 0.52-4.199   
41-50 31(12.4) 2(6.5) 29(93.5) 0.906 0.076-10.788   
>50 29(11.6) 1(3.4) 28(96.6) Ref    
Educational status       1.247 0.643-2.417
Uneducated 132(52.8) 15(11.4) 117(88.6) - -   
primary education 94(37.6) 7(7.4) 87(92.6) - -   
secondary education 22(8.8) 4(18.2) 18(81.8) - -   
Tertiary education 2(0.8) 0(0) 2(100)     
Length of stay in the prisons (in months)       0.651 0.405-1.047
<2 18(7.2) 1(5.6) 17(94.4) 1.382 0.166-11.483   
2-6 60(24) 11(18.3) 49(81.7) 0.362 0.145-0.907   
6-12 39(15.6) 4(10.3) 35(89.7) 0.711 0.210-2.407   
>12 133(53.2) 10(7.5) 123(92.5) Ref    
Number of prisoners per cell       1.249 0.802-1.946
1-100 24(9.6) 0(0) 24(100) 2.454 -
101-200 6(2.4) 1(16.7) 6(83.3) 0759 0.082-7.072   
201-300 61(24.4) 8(13.1) 53(86.9) 1.006 0.385-2.628   
301-400 68(27.2) 5(7.4) 63(92.6) 1.914 0.641-5.718   
401-500 91(36.4) 12(13.2) 79(86.8) Ref    
  1. TB = tuberculosis; OR = odds ratio; CI = confidence interval; LED = light emitting diode; Ref = reference variable.