Model 1: Regression Model with SF-36 Mental Health Score as the Only Independent Variable (R-square = 0.080) | |||
---|---|---|---|
Independent variable | Odds Ratio | 95% confidence interval | p-value |
SF-36 Mental Health score per 10-point deterioration | 1.3 | 1.23 to 1.38 | < 0.0001 |
Model 2: Regression Model for the Effect of SF-36 Mental Health Score, Adjusted for Additional Covariates* (R-square = 0.124) | |||
Independent variable | Odds ratio | 95% confidence interval | p-value |
Age per 10-year increase in age | 0.8 | 0.68 to 0.95 | 0.012 |
Female sex (baseline is male) | 1.79 | 1.37 to 2.34 | < 0.0001 |
Urban region (reference is rural) | 1.36 | 1.08 to 1.71 | 0.0083 |
Interaction between mental and general health†|  |  | 0.0009 |
   Effect of a 10-point deterioration in general health score | 1.04 | 0.97 to 1.11 | 0.32 |
   when mental health score = 56 (25th percentile for mental health score; poor mental health) |  |  |  |
   Effect of a 10-point deterioration in general health score when mental | 1.11 | 1.05 to 1.18 | 0.0007 |
   health score = 72 (median mental health score) |  |  |  |
   Effect of a 10-point deterioration in general health score when mental | 1.15 | 1.10 to 1.21 | < 0.0001 |
   health score = 84 (75th percentile mental health score; good mental health) |  |  |  |
   Effect of a 10-point deterioration in mental health score when general | 1.2 | 1.12 to 1.29 | < 0.0001 |
   health score = 35 (25th percentile general health score; poor health) |  |  |  |
   Effect of a 10-point deterioration in mental health score when general | 1.28 | 1.20 to 1.37 | < 0.0001 |
   health score = 50 (median general health score) |  |  |  |
   Effect of a 10-point deterioration in mental health score when general health score = 67 (75th percentile general health score; good health) | 1.38 | 1.26 to 1.52 | < 0.0001 |