Table 3.
History of tuberculosis contact, smoking status and the prevalence of malnutrition among North Gondar Zone prisons, February—April 2015
| 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* |
TB pulmonary tuberculosis, OR odds ratio, CI Confidence interval, COR Crude odds ratio
+ve = positive; -ve = negative
*P ⩽ 0.05 (significance level)