Season a | Low frequency | Intermediate frequency | High frequency |
---|
RR (95%CI) |
---|
Spring | Ref. | 0.87 (0.78–0.98) | 0.92 (0.82–1.03) |
Summer | Ref. | 0.96 (0.82–1.12) | 0.95 (0.82–1.10) |
Autumn | Ref. | 0.87 (0.78–0.98) | 0.90 (0.80–1.01) |
Winter | Ref. | 0.84 (0.78–0.90) | 0.92 (0.86–0.99) |
- Abbreviations: RR Relative risk, CI Confidence Interval
- a Fully adjusted model: adjusted for age, sex, residency, education level, marital status, body mass index, smoking status, drinking status, physical activity and dietary diversity, cooking ventilation, cooking fuel, and family income, leisure activity, the activity of daily living, and chronic diseases (diabetes, heart disease, stroke, and cancer)