Table 2.
Follow-up time | Crude odds ratio (95% CI) | Odds ratio adjusted for age and gender (95% CI) | Odds ratio adjusted for age, gender, MDI score and occupation at baseline (95% CI) |
---|---|---|---|
4 months | 5.4 (1.5-19.5) | 5.4 (1.3-21.8) | 5.1 (1.2-21.2) |
1 year | 2.2 (0.6-7.5) | 1.3 (0.3-6.0) | 1.5 (0.3-7.0) |
2 years | 1.7 (0.5-6.7) | 0.9 (0.2-4.9) | 1.2 (0.2-6.7) |