Characteristic | Category | Unadjusted odds ratios | Adjusted odds ratios | ||||
---|---|---|---|---|---|---|---|
uOR | 95% CI | p value | aOR | 95% CI | p value | ||
Number of clinics worked | One† | 1.00 | 1.00 | ||||
Two | 1.47 | 0.78–2.77 | 0.2283 | 1.26 | 0.64–2.49 | 0.5009 | |
3 or more | 1.00 | 0.64–1.57 | 0.9943 | 1.00 | 0.61–1.62 | 0.9877 | |
Daily working hours | > 8 h† | 1.00 | 1.00 | ||||
8 h or less | 1.60 | 0.97–2.64 | 0.0685 | 1.46 | 0.82–2.58 | 0.1949 | |
Number of patients attended per day | > 12† | 1.00 | 1.00 | ||||
12 or less | 1.55 | 1.02–2.36 | 0.0398* | 1.63 | 1.03–2.56 | 0.0358* | |
Years of experience | > 3 years | 1.39 | 0.93–2.10 | 0.1095 | 1.48 | 0.95–2.31 | 0.0853 |
3 years or less† | 1.00 | 1.00 | |||||
Performing procedures carrying high risk | No† | 1.00 | 1.00 | ||||
Yes | 1.14 | 0.74–1.74 | 0.5571 | 1.29 | 0.82–2.04 | 0.2646 | |
Anti-hepatitis B vaccination | No | 2.31 | 1.34–3.96 | 0.0024* | 1.89 | 1.05–3.41 | 0.0333* |
Yes† | 1.00 | 1.00 | |||||
Wore gowns, mask, and gloves | No† | 1.60 | 0.95–2.69 | 0.0750 | 1.37 | 0.67–2.79 | 0.3886 |
Yes† | 1.00 | 1.00 | |||||
Used eye and facial protection | No | 1.61 | 0.97–2.65 | 0.0629 | 1.14 | 0.60–2.18 | 0.6834 |
Yes† | 1.00 | 1.00 | |||||
Used protective films | No | 1.20 | 0.69–2.10 | 0.5202 | 0.83 | 0.43–1.58 | 0.5642 |
Yes† | 1.00 | 1.00 | |||||
Used disposable burs | No | 1.37 | 0.91–2.06 | 0.1282 | 1.20 | 0.77–1.88 | 0.4239 |
Yes† | 1.00 | 1.00 | |||||
Used high-volume suction | No | 1.59 | 0.82–3.11 | 0.1717 | 1.14 | 0.54–2.42 | 0.7288 |
Yes† | 1.00 | 1.00 | |||||
Recapped needles by one-hand technique | No | 1.87 | 0.90–3.87 | 0.0938 | 1.59 | 0.69–3.62 | 0.2732 |
Yes† | 1.00 | 1.00 | |||||
Knowledge of infection control procedures and disease transmission | Good† | 1.00 | 1.00 | ||||
Poor | 2.10 | 1.36–3.23 | 0.0007* | 1.87 | 1.18–2.97 | 0.0082* | |
Formal infection control training | No | 1.15 | 0.72–1.83) | 0.5500 | 0.86 | 0.52–1.45 | 0.5778 |
Yes† | 1.00 | 1.00 | |||||
Infection control unit in the clinic | No | 2.31 | 1.53–3.51 | < 0.0001* | 2.28 | 1.45–3.57 | 0.0003* |
Yes† | 1.00 | 1.00 |