Research Article
Nasal Carriage of Methicillin-Resistant Staphylococcus aureus among Health Care Workers in Tertiary and Regional Hospitals in Dar es Salam, Tanzania
Table 5
Association between MRSA nasal carriage and risk factors among HCWs.
| Characteristic | MRSA positive, (%) | Univariate OR (95% CI); value | Multivariate OR (95% CI); value |
| Age group (years) | | | | <45 () | 51 (15.7) | 1 | 1 | >45 () | 8 (14.8) | 1.1 (0.47–2.40); 0.8 | 1.8 (0.4–4.4); 0.5 | Sex | | | | Male () | 20 (12.7) | 1 | 1 | Female () | 39 (17.6) | 0.6 (0.38–1.22); 0.2 | 1.3 (0.57–2.8); 0.5 | Hospital | | | | Amana () | 18 (17.6) | 7.7 (1.73–34.38); 0.007 | 10.3 (2.0–52.3); 0.005 | Temeke () | 29 (27.9) | 13.9 (3.20–60.47); ≤0.001 | 20 (3.9–99.3); ≤0.001 | MNH () | 10 (10.1) | 4.04 (0.85–19.05); 0.07 | 5.3 (1.0–27.9); 0.04 | ORCI () | 2 (2.7) | 1 | 1 | Department/ward | | | | Medical wards () | 28 (13.8) | 1 | 1 | Surgical wards () | 30 (17.5) | 0. 64 (0.69–5.93); 0.6 | 0.7 (0.37–1.32); 0.2 | ICU | 1 (20) | 0.85 (0.92–7.88); 0.8 | 1.7 (0.15–16.8); 0.7 | Profession | | | | Doctors () | 21 (11.5) | 1.08 (0.30–3.91); 0.8 | 0. 43 (0.1–1.87); 0.2 | Nurses () | 35 (20.7) | 2.17 (0.62–7.63); 0.2 | 0. 84 (0.2–3.55); 0.8 | Others () | 3 (10.7) | 1 | 1 | Duration in health care services | | | | <5 years () | 22 (12.9) | 1 | 1 | >5 years () | 37 (17.8) | 0.68 (0.38–1.20); 0.2 | 2.08 (1.10–4.02); 0.03 | History of antibiotic use | | | | Yes () | 34 (18.4) | 1.52 (0.86–2.66); 0.1 | 1.4 (0.76–2.58); 0.2 | No () | 25 (12.9) | 1 | 1 | History of chronic illness | | | | Yes () | 4 (9.5) | 0.54 (0.18–1.57); 0.2 | 0. 35 (0.11–1.14); 0.08 | No () | 55 (16.3) | 1 | 1 |
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MNH, Muhimbili National Hospital; ORCI, Ocean Road Cancer Institute; ICU, intensive care unit; anesthesiologist and radiotherapist. |