Variables | Positive for any virus | Odds ratio (OR) (95% CI) | |
---|---|---|---|
Number | Percent | ||
Hospital | |||
Hospital A | 12/77 | 15.6 | Refa |
Hospital B | 1/26 | 3.8 | 0.22 (0.03–1.75) |
Hospital C | 2/45 | 4.4 | 0.25 (0.05–1.18) |
Ward | |||
Internal medicine department | 13/52 | 25 | Ref |
Respiratory department | 1/70 | 1.4 | 0.04 (0.01–0.34)d |
Pediatrics department | 1/26 | 3.8 | 0.12 (0.01–0.97)d |
Gender | |||
Male | 4/27 | 14.8 | Ref |
Female | 11/121 | 9.1 | 0.57 (0.16–1.97) |
Position | |||
Doctor | 7/68 | 10.3 | Ref |
Nurse | 8/80 | 10 | 0.97 (0.33–2.82) |
Age | |||
≤ 30 years | 5/41 | 12.2 | Ref |
31–40 years | 5/68 | 7.4 | 0.57 (0.15–2.11) |
≥ 41 years | 5/39 | 12.8 | 1.06 (0.28–3.98) |
Mask use time during the study | |||
≤ 6 h | 1/49 | 2 | Ref |
> 6 h | 14/99 | 14.1 | 7.9 (1.01–61.99)d |
Patients’ seen | |||
≤ 25 cases | 3/77 | 3.9 | Ref |
> 25 cases | 12/71 | 16.9 | 5.02 (1.35–18.60)d |
How medical masks were used | |||
Used continuously | 4/28 | 14.3 | Ref |
Used continuously except breaksb | 9/88 | 10.2 | 0.65 (0.19–2.22) |
Used only during patients encounters | 0/26 | 0 | 0.10 (0.01–2.12) |
Used only high-risk patient encounters | 2/6 | 33.3 | 3.02 (0.43–21.44) |
Preformed AGPs c during the study | |||
No | 7/95 | 7.4 | Ref |
Yes | 8/53 | 15.1 | 2.24 (0.76–6.55) |
Hand wash | |||
No | 2/13 | 15.4 | Ref |
Yes | 13/135 | 9.6 | 0.59 (0.12–2.94) |