Table 4.
Risk assessment for TB infection by the multivariate logistic regression model
| OR | 95% CI | P value | |
|---|---|---|---|
| Working place | |||
| National TB Hospital | 0.718 | 0.120–4.287 | 0.717 |
| RFM Hospital + SANU | reference | ||
| Age | |||
| 19–25 | 1.065 | 0.132–8.617 | 0.953 |
| 26–35 | 1.582 | 0.240–10.41 | 0.633 |
| > 35 | reference | ||
| Profession | |||
| Nurse | 39.87 | 2.721–584.3 | 0.006 |
| Doctor | reference | ||
| Allied HCW | 99.34 | 7.469–1321 | <0.001 |
| Educational level | |||
| Secondary or High school | 0.588 | 0.035–9.914 | 0.713 |
| Diploma and post Diploma certificate | 0.186 | 0.014–2.454 | 0.201 |
| Degree | reference | ||
| Working in the TB department for <4 years | 0.099 | 0.022–0.453 | 0.003 |
| Married | 1.721 | 0.915–3.236 | 0.092 |
| Male sex | 0.333 | 0.103–1.071 | 0.065 |
| Administrative measures | |||
| IC plan | 0.888 | 0.223–3.543 | 0.867 |
| Routine IC training | 0.982 | 0.310–3.113 | 0.976 |
| Routine TB screening | 0.774 | 0.111–5.404 | 0.796 |
| Environmental control | |||
| Designated area for sputum collection | 0.142 | 0.037–0.545 | 0.004 |
| Mechanical ventilation | 0.981 | 0.165–5.848 | 0.983 |
| Natural ventilation | 1.546 | 0.525–4.548 | 0.429 |
| Window opening during working hours | 3.676 | 0.818–16.52 | 0.089 |
| Air purification | 1.647 | 0.984–2.757 | 0.058 |
| N95 respirator mask availability | 0.055 | 0.005–0.586 | 0.016 |
| Detergent availability | 2.053 | 0.614–6.867 | 0.243 |
| Personal behavior | |||
| Sputum induction/collection | 0.750 | 0.177–3.175 | 0.696 |
| Washing of hands | 0.498 | 0.116–2.147 | 0.350 |