TABLE 3.
Environmental factors related to active pulmonary tuberculosis in Ambo Hospital, Western Ethiopia, 2011 and 2012.
| Variables | Cases (%) | Controls (%) | Cr OR (95% CI) | Cr P-value |
|---|---|---|---|---|
| HHs in the compound† | ||||
| 1 | 67 (64.4) | 168 (80.8) | 1.00 | - |
| > 1 | 37 (35.6) | 40 (19.2) | 2.32 (1.4, 4) | 0.002 |
| Adults living in the HH | ||||
| 1–5 | 63 (61.8) | 120 (58.5) | 1.00 | - |
| > 5 | 39 (38.2) | 85 (41.5) | 0.9 (0.54, 1.4) | 0.56 |
| Persons per room† | ||||
| ≤ 2 | 23 (22.1) | 64 (30.8) | 1.00 | - |
| > 2 | 81 (77.9) | 144 (69.2) | 1.57 (0.9, 2.7) | 0.104 |
| Wall type | ||||
| Cement | 7 (6.7) | 17 (8.2) | 1.00 | - |
| Mud | 97 (93.3) | 191 (91.8) | 1.2 (0.5, 3.1) | 0.65 |
| Floor type† | ||||
| Cement | 9 (8.7) | 36 (17.3) | 1.00 | - |
| Earth/other | 95 (91.3) | 172 (82.7) | 2.2 (1.0, 4.8) | 0.044 |
| Roof type† | ||||
| Corrugated iron sheet | 83 (79.8) | 188 (90.4) | 1.00 | - |
| Thatch | 21 (20.2) | 20 (9.6) | 2.4 (1.2, 4.6) | 0.011 |
| Ceiling | ||||
| Yes | 50 (48.1) | 93 (44.7) | 1.00 | - |
| No | 54 (51.9) | 115 (55.3) | 0.87 (0.55, 1.4) | 0.57 |
| Windows† | ||||
| Present | 79 (76) | 188 (90.4) | 1.00 | - |
| Absent | 25 (24) | 20 (9.6) | 3.0 (1.56, 5.66) | 0.001 |
| Electricity | ||||
| Yes | 54 (51.9) | 98 (47.1) | 1.00 | - |
| No | 50 (48.1) | 110(52.9) | 0.83 (0.83, 1.3) | 0.42 |
| Electric cooker | ||||
| Present | 10 (6.9) | 14 (6.7) | 1.00 | - |
| Absent | 94 (90.4) | 194 (93.3) | 0.68 (0.3, 1.6) | 0.37 |
| Separate kitchen | ||||
| Yes | 82 (78.8) | 154 (74) | 1.00 | - |
| No | 22 (21.2) | 54 (26.0) | 0.77 (0.44, 1.3) | 0.35 |
| Ownership of house† | ||||
| Yes | 66 (63.5) | 180 (86.5) | 1.00 | - |
| No | 38 (36.5) | 28 (13.5) | 3.7 (2.1, 6.5) | 0.000 |
†, Significant at 25% level of significance.
CI, confidence interval; Cr, crude; HH, household