The association between the independent variables and the risk of depressive symptoms at 2-year follow-up (Wave 7) (n=6804)
| Independent variables | Adjusted OR | 95% CI for OR | P value | |
| Lower | Upper | |||
| Gender | ||||
| Male (Reference) (n=3030) | 1 | |||
| Female (n=3774) | 1.48 | 1.25 | 1.75 | <0.01 |
| Age | ||||
| 50–59 years (Reference) (n=1492) | 1 | |||
| 60–69 years (n=2720) | 0.91 | 0.73 | 1.13 | 0.38 |
| 70–84 years (n=2313) | 1.27 | 1.02 | 1.58 | 0.03 |
| 85+ years (n=279) | 1.43 | 0.97 | 2.11 | 0.07 |
| Wealth | ||||
| Wealth quintile 1 (poorest) (Reference) (n=1005) | 1 | |||
| Wealth quintile 2 (n=1214) | 0.80 | 0.63 | 1.02 | 0.07 |
| Wealth quintile 3 (n=1372) | 0.50 | 0.39 | 0.64 | <0.01 |
| Wealth quintile 4 (n=1464) | 0.43 | 0.33 | 0.56 | <0.01 |
| Wealth quintile 5 (wealthiest) (n=1619) | 0.31 | 0.23 | 0.41 | <0.01 |
| Missing wealth data (n=130) | ||||
| Baseline depression (Wave 6) | ||||
| Baseline depression (n=872) | 10.59 | 8.90 | 12.53 | <0.01 |
| No baseline depression (n=5932) | ||||
Adjusted for obesity, poor metabolic health, baseline depression (Wave 6), gender, age and wealth.