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| Variable | IRR | 95% CI | P-value |
|---|---|---|---|
| Case: yes | 1.09 | (0.89–1.34) | 0.4094 |
| Gender: female | 1.25 | (0.87–1.81) | 0.2285 |
Mixed ordinal regression for educational level did not show any significant differences for gender or exposure.
