Table 2.
Risk factors associated with tuberculin skin test result among health workers on univariate analysis.
| Variables | TST Positive N (%) |
TST Negative N (%) |
Total N |
OR (95%CI) | P-value | |
|---|---|---|---|---|---|---|
| Sex | male | 28 (34.1) | 54 (65.9) | 94 | 2.19 (1.10–4.35) | 0.025a |
| female | 18 (19.1) | 76 (80.9) | 82 | 1 | ||
| total | 46 (26.1) | 130 (73.9) | 176 | |||
| Age group | 15–24 | 8 (15.7) | 43 (84.3) | 51 | 1 | |
| 25–49 | 31 (29.0) | 76 (71.0) | 107 | 2.19 (0.93–5.19) | 0.74a | |
| 50–70 | 7 (38.9) | 11 (61.1) | 18 | 3.42 (1.02–11.49) | 0.47a | |
| Mean (sd) | 36.2 (9.8) | 32.5 (10.1) | 176 | 1.04 (1.00–1.07) | 0.036b | |
| Employment duration | <5 years | 10 (32.3) | 21 (67.7) | 31 | 1 | |
| 5–14.9 | 15 (35.7) | 27 (64.3) | 42 | 2.02 (0.54–7.61) | 0.393a | |
| 15 and more | 4 (19.0) | 17 (81.0) | 21 | 2.36 (0.67–8.31) | ||
| Job | Medical students | 5 (10.9) | 41 (89.1) | 46 | 1 | |
| Nurses | 13 (22.0) | 46 (78.0) | 59 | 2.317 (7.06) | 0.139a | |
| Cleaning staff | 9 (31.0) | 20 (69.0) | 29 | 3.69 (1.09–12.46) | 0.035a | |
| Nurse Assistance | 19 (45.2) | 23 (54.8) | 42 | 6.77 (2.23–20.54) | 0.001a | |
| Ward Level of Risk | Low | 32 (23.0) | 107 (77.0) | 139 | 1 | 0.024a |
| High | 14 (42.4) | 19 (57.6) | 33 | 2.46 (1.11–5.46) | ||
| Job Position | students | 5 (10.9) | 41 (89.1) | 46 | 1 | 0.006a |
| Staff | 41 (31.5) | 89 (68.5) | 130 | 3.74 (1.39–10.26) | ||
| Scar | Yes | 44 (27.2) | 118 (72.8) | 162 | 2.24 (0.48–10.4) | 0.304a |
| No | 2 (14.3) | 12 (85.7) | 14 | 1 | ||
| BCG | Yes | 46 (26.4) | 128 (73.6) | 174 | 1 | 0.899a |
| No | 0 (0) | 2 (100.0) | 2 | – | ||
| Tuberculosis Contact History |
Yes | 28 (33.3) | 56 (66.7) | 84 | 2.06 (1.04–4.08) | 0.038a |
| No | 18 (19.6) | 74 (73.9) | 92 | 1 |
OR: Odds Ratio.
TST: Tuberculin Skin Test.
a
All of the p-value in this table are based on the Pearson Chi-square test.
b
Linear regression test.