Table 5. Characteristics of healthcare workers and transmission risks.
| Healthcare workers (n) | HBsAg status, n (%) | Evidence of past + current infection, n (%) | Risk estimate | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Crude OR | Adjusted OR* | ||||||||
| Negative | Positive | p-value | Negative | Positive | OR (95% CI) |
p-value | OR (95% CI) |
p-value | |
| Gender | 0.594 | ||||||||
| Female (92) | 88 (95.7) |
4 (4.3) |
0.670 | 82 (89.1) |
10 (10.9) |
0.73 (0.23–2.32) |
|||
| Male (35) | 33 (94.3) |
2 (5.7) |
30 (85.7) |
5 (14.3) |
1 | ||||
| Age, years | 0.141 | ||||||||
| < 30 (41) | 4 (100) |
0 (0.0) |
0.180 | 39 (95.1) |
2 (4.9) |
0.29 (0.06–1.34) |
|||
| ≥ 30 (86) | 80 (93.0) |
6 (7.0) |
73 (84.9) |
13 (15.1) |
1 | ||||
| Specialty | 0.074 0.313 |
||||||||
| Nurse (62) | 57 (91.9) |
5 (8.1) |
0.530 | 48 (77.4) |
14 (22.6) |
6.71 (0.83–54.17) |
|||
| Lab technician (41) | 41 (100) |
0 (0.0) |
0.310 | 41 (100) |
0 (0.0) |
0.19 (0.01–4.82) |
|||
| Doctor (24) | 23 (95.8) |
1 (4.2) |
23 (95.8) |
1 (4.2) |
1 | ||||
| Years in service | |||||||||
| ≥ 10 (69) | 64 (92.8) |
5 (7.2) |
0.180 | 57 (82.8) |
12 (17.4) |
3.84 (1.03–14.29) |
0.044 | 2.01 (1.12–10.19) |
0.185 |
| < 10 (58) | 57 (98.3) |
1 (1.7) |
55 (94.8) |
3 (5.2) |
1 | 1 | |||
| HBV vaccination | |||||||||
| No (77) | 71 (92.2) |
6 (7.8) |
0.080 | 63 (81.8) |
14 (18.2) |
10.89 (0.38–85.68) |
0.005 | 4.72 (0.56–39.70) |
0.153 |
| Yes (50) | 50 (100) |
0 (0.0) |
49 (98.0) |
1 (2.0) |
1 | ||||
HBV: hepatitis B virus; HBsAg: hepatitis B surface antigen; OR: odds ratio; CI: confidence interval.