Table 2.
TB positivity as detected by LED microscopy among different clinical factors of prison inmates in North Gondar Zone Prison, using logistic and multivariable regression analysis, N = 250
| Variables | No. tested (%) | No. positive (%) | No. negative (%) | Crude OR | 95%CI | Adjusted OR | 95%CI |
|---|---|---|---|---|---|---|---|
|
Duration of Cough |
|
|
|
|
|
1.471 |
0.946-2.286 |
| 1 week |
17(6.8) |
1(5.9) |
16(94.1) |
0.444 |
0.283-17.749 |
|
|
| 2 weeks |
14(5.6) |
0(0) |
14(100) |
0.999 |
- |
|
|
| 3 weeks |
4(1.6) |
0(0) |
4(100) |
0.999 |
- |
|
|
| 4 weeks |
19(7.6) |
2(10.5) |
17(89.5) |
0.823 |
0.258-5.509 |
|
|
| 8 weeks |
17(6.8) |
1(5.9) |
16(94.1) |
0.444 |
0.283-17.749 |
|
|
| >8 weeks |
179(71.6) |
22(12.3) |
157(87.7) |
|
|
|
|
|
Time of occurrence of the cough |
|
|
|
|
|
1.332 |
0.416-4.262 |
| Before imprisonment |
51(20.4) |
6(23.1) |
45(20.1) |
0.838 |
0.318-2.209 |
|
|
| After imprisonment |
199(79.6) |
20(76.9) |
179(79.9) |
|
|
|
|
|
Nutritional status |
|
|
|
|
|
0.383 |
0.154-0.954 |
| Under nutrition (BMI < 18.5kg/m2) |
69(27.6) |
12(17.4) |
57(82.6) |
0.398 |
0.174-0.911 |
|
|
| Normal nutrition (BMI > 18.5kg/m2) |
181(72.4) |
14(7.7) |
167(92.3) |
|
|
|
|
|
History of previous treatment |
|
|
|
|
|
0.469 |
0.128-1.726 |
| Yes |
27(10.8) |
5(18.5) |
22(81.5) |
0.457 |
0.157-1.334 |
|
|
| No |
223(89.2) |
21(9.4) |
202(91.6) |
|
|
|
|
|
HIV status of the inmates |
|
|
|
|
|
0.082 |
0.026-0.258 |
| Positive |
19(7.6) |
9(47.4) |
10(52.6) |
0.088 |
0.032-0.247 |
|
|
| Negative | 231(92.4) | 17(7.4) | 214(92.6) |
BMI = body mass index; TB = tuberculosis; OR = odds ratio; CI = confidence interval; LED = light emitting diode.