Table 4.
Univariate analysis with unadjusted odds ratio of LTBI for specified baseline characteristics
| Characteristic | OR (95% CI) | p-value |
|---|---|---|
| Sex | 0.530 | |
| Male | ref | |
| Female | 1.13 (0.79, 1.60) | |
| Age (years) | 0.016 | |
| Less than 35 | ref | |
| 35–49 | 1.66 (1.16, 2.37) | |
| 50 or more | 1.15 (0.76, 1.73) | |
| Education Level | 0.038 | |
| Primary or less | ref | |
| Secondary | 0.63 (0.43, 0.93) | |
| College/University | 0.57 (0.35, 0.94) | |
| BCG scar | 0.379 | |
| Absent | ref | |
| Present | 0.75 (0.41, 1.36) | |
| Known outside TB contact | 0.125 | |
| No TB contact | ref | |
| TB contact | 0.72 (0.49, 1.07) | |
| HIV status | 1.000 | |
| HIV- | ref | |
| HIV+ | 1.00 (0.61, 1.64) | |
| Professional category | 0.500 | |
| Administrative | ref | |
| Physician | 0.62 (0.31, 1.24) | |
| Nurse | 1.03 (0.60, 1.77) | |
| Laboratory Technician | 1.36 (0.56, 3.31) | |
| Auxiliary Staff | 1.15 (0.73, 1.81) | |
| Other | 1.03 (0.52, 2.05) | |
| Department | < 0.001 | |
| All Non-Clinical | ref | |
| Obstetrics and Gynecology | 1.15 (0.66, 2.01) | |
| Pediatrics | 1.06 (0.58, 1.92) | |
| Surgery | 2.43 (1.31, 4.49) | |
| Medicine | 0.53 (0.30, 0.92) | |
| Clinical Labs and Pathology | 1.45 (0.74, 2.86) | |
| Emergency and Critical Care | 1.79 (0.75, 4.27) | |
| Other Clinical | 0.93 (0.52, 1.69) | |
| Length of Service (5 year increase) | 1.12 (1.04, 1.21) | 0.002 |