Table 2: Prevalence of TB among prisoners () using GeneXpert MTB/RIF assay, with multivariable analysis showing its associated predictors in East Gojjam Zone, 2016.

Variable Response TB statusCOR [95% CI] AOR [95% CI] value
TB positive TB negative

Age in years≤305 (1.88%)98 (36.9%)2.13 [0.56–8.12]0.53 [0.10–2.83]0.460
>304 (1.50%)167 (63%)11
Marital statusSingle
Married
4 (1.50%)
5 (1.88%)
35 (13.5%)
221 (83.4%)
1
4.9 (1.258, 19.194)
1
1.5 [1.7–13.03]
1
0.01
Educational statusIlliterate2 (0.8%)100 (37.7%)7.63 [0.55–105.9]0.139
Primary, secondary, and above4 (1.50%)
3 (1.23%)
126 (47.5%)
30 (11.3%)
3.54 [0.48–25.73]0.212
1
Residence before incarcerationRural7 (2.64%)208 (78.5%)0.81 [0.16–4.01]0.46 [0.47–4.6]0.511
Urban2 (0.75%)48 (18.1%)11
Length of stay in prison in months≤121 (0.37%)44 (16.6%)0.60 [0.073–5.0]0.9 [0.074–10.9]0.933
>128 (3.01%)212 (80%)11
Number of prisoners per cell1–899 (3.39%)249 (93.9%)0.615
>890 (0%)7 (26.4%)
Ventilation status of the cellsWindow closed at all times9 (3.39%)252 (95%)0.706
Window opened sometimes0 (0%)4 (1.5%)
Sharing cells with TB patientsYes
No
3 (1.23%)
6 (2.26%)
24 (9.05%)
232 (87.5%)
4.83 [1.14–20.56]
1
1.62 [2.6–10.20]
1
0.02
1
Duration of cough in weeks2–41 (0.37%)102 (38.4%)0.19 [0.02–1.53]8.31 [0.67–102.6]0.099
>48 (3.01%)154 (58.1%)11
Time of occurrence of coughBefore imprisonment0 (0%)14 (5.2%)0.741
After imprisonment9 (3.39%)242 (93.4%)
TB symptoms before admission to the prisonYes0 (0%)19 (7.1%)0.396
No9 (3.39%)237 (89.4%)
Cigarette smokingYes0 (0%)4 (1.5%)0.706
No9 (3.39%)252 (95%)
Nutritional statusNormal9 (3.39%)253 (95.4%)0.471
Abnormal0 (0%)3 (1.23%)
Diabetes mellitusYes0 (0%)4 (1.5%)0.706
No9 (3.39%)252 (95%)
HIV statusPositive
Negative
3 (1.23%)
6 (2.26%)
4 (1.5%)
252 (95%)
31.5 [5.74–172.74]
1
0.14 [0.001–0.17]
1
0.001
1
Previously treated TBYes0 (0%)22 (8.3%)0.358
No9 (3.39%)234 (88.3%)

indicates value < 0.005.