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Table 3 History of tuberculosis contact, smoking status and the prevalence of malnutrition among North Gondar Zone prisons, February—April 2015

From: Smear positive pulmonary tuberculosis and HIV co-infection in prison settings of North Gondar Zone, Northwest Ethiopia

Variables Sputum Microscopy result
  Smear + ve
n (%)
Smear-ve
n (%)
Total COR (95 % Cl) P-value Adjusted OR (95 % Cl) P-value
Smoking
 No 9 (60) 232 (86.9) 241 (85.5) 1 1 1 1
 Yes 6 (40) 35 (13.1) 41 (14.5) 4.42(1.48–13.17) 0.008* 7.16 (1.76–29) 0.006*
Previous contact with TB
 No 4(26.7) 182 (68.2) 186 (66)   1 1 1
 Yes 11(73.3) 85 (31.8) 96 (34) 5.88(1.48–13.17) 0.003* 5.03(1.05–19.6) 0.035*
Episode of Cough
 Before imprisonment 6 (40) 50 (18.7) 56 (19.8) 1 1 1 1
 After imprisonment 9 (60) 217 (81.3) 226 (80.1) 0.35 (0.12–1.02) 0.05 0.58 (0.15–2.20) 0.328
Duration of Cough (in weeks)
 2 2 (13.3) 51 (19.1) 53 (18.8) 1 1 1 1
 3 1 (6.7) 29 (10.9) 30 (10.6) 0.88 (0,07–10.12) 0.918 0.55 (0.03–8.88) 0.67
 4 2 (13.3) 63 (22.6) 65 (23) 0.81 (0.11–5.95) 0.83 0.57 (0.05–6.05) 0.64
  ≥ 8 10(66.7) 124 (46.4) 134 (47.5) 2.05 (0.44–9.72) 0.363 1.45 (0.24–8.81) 0.68
Nutritional Status (BMI (kg/m2)
  ≥ 18.5 5 (33.3) 238 (89.1) 243 (86.2) 1 1 1  
  < 18.5 10(66.7) 29 (10.9) 39 (13.8) 16.41(5.25–51.35) <0.001* 16.3(3.89–67.96) <0.001*
History of previous Treatment
 No 12(80) 243 (91) 255 (90.4) 1 1 1 1
 Yes 3 (20) 24 (9) 27 (9.6) 2.53 (0.67–9.59) 0.172 0.24 (0.05–1.80) 0.170
HIV Status
 Negative 11(73.3) 254 (95.1) 265 (94) 1 1 1 1
 Positive 4 (26.7) 13 (4.9) 17 (6) 7.12(1.99–25.4) 0.003* 7.26 (1.10–33.3) 0.024*
  1. TB pulmonary tuberculosis, OR odds ratio, CI Confidence interval, COR Crude odds ratio
  2. +ve = positive; -ve = negative
  3. *P 0.05 (significance level)