Table 3.
Combined Effect of Education Level (High Vs Low) and Living Environment (Rural Vs Urban) Used to Calculate Interactions
| Combined Effect (Educational Level and Living Environment) |
Anxiety | Depression | |||
|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 1 | Model 2 | ||
| High educational level | Rural living environment | 1 | 1 | 1 | 1 |
| Low educational level | Rural living environment | 1.31 (0.73–2.34) | 1.34 (0.74–2.42) | 1.25 (0.78–2.01) | 1.28 (0.78–2.09) |
| High educational level | Urban living environment | 1.24 (0.63–2.44) | 1.26 (0.62–2.55) | 1.07 (0.61–1.88) | 1.07 (0.59–1.93) |
| Low educational level | Urban living environment | 9.14 (4.56–18.32) ** | 7.90 (3.83–16.29) ** | 13.76 (6.88–27.53) ** | 11.79 (5.77–24.10) ** |
Notes: Model 1: non-adjusted. Model 2: adjusted for age, sex, smoking history, body mass index, COPD Assessment Test, percentage predicted forced expiratory volume in 1 second, oxygen therapy, modified Medical Research Council score, and Charlson Comorbidity Index. **P<0.01.