Predictors | incident rate ratio | 95% CI | p | |
---|---|---|---|---|
Medical department (internal medicine*) | General surgery | 0.99 | 0.93–1.04 | 0.638 |
Ear-nose-throat | 1.02 | 0.97–1.07 | 0.430 | |
Trauma surgery | 1.01 | 0.96–1.06 | 0.655 | |
Gender (female*) | Male | 1.18 | 1.14–1.23 | < 0.001 |
Age group (18–34 years*) | 35–49 years | 1.13 | 1.07–1.19 | < 0.001 |
50–64 years | 1.07 | 1.02–1.12 | 0.01 | |
Achieved school level (highest*) | Lowest | 1.39 | 1.31–1.48 | < 0.001 |
Medium | 1.23 | 1.16–1.30 | < 0.001 | |
Employment status (employed*) | Unemployed | 1.12 | 1.06–1.19 | < 0.001 |
Other | 0.99 | 0.95–1.04 | 0.677 |