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Table 3 Univariate analysis of the association between smear positive PTB and morbidity factors among the inmates in Hadiya Zone prison from May to June 2013

From: Prevalence of smear positive pulmonary tuberculosis and associated risk factors among prisoners in Hadiya Zone prison, Southern Ethiopia

Variable Label No. tested (%) No. positive (%) No. negative(%) Crude OR (95 % CI) P value
Duration of cough ≤3 weeks 80 (48.8) 2 (2.5) 78 (97.5) 2.128 (0.523–8.66) 0.532
>3 weeks 84 (51.2) 1 (1.2) 83 (98.8) 1.0
Visit to health institution No 82 (50) 2 (2.4) 80 (97.6) 2.024 (0.498–8.235) 0.568
Yes 82 (50) 1 (1.2) 81(98.8) 1.0
Having TB symptoms before imprisonment No 102 (62.2) 3 (2.9) 99 (97.1) 0.173
Yes 62 (37.8) 0 62 (100)
Body mass index (kg/m2) ≤18.5 49 (29.9) 1 (2) 48 (98) 1.0 0.895
>18.5 115 (70.1) 2 (1.7) 113 (98.3) 0.85 (0.138–7.246)