Table 3.
Rates of poor self-assessed health in different income groups
| Year | Prevalence of poor self-rated health by income quintile | Average poor self-rated health | Concentration index(SE) | Standardized CIN(SE)a | ||||
|---|---|---|---|---|---|---|---|---|
| Poorest | 2nd | Middle | 4th | Richest | ||||
| 2010 | 22.28% | 16.43% | 13.71% | 11.83% | 9.82% | 14.56% | −0.167 (0.008) | −0.088 (0.007) |
| 2014 | 20.30% | 16.43% | 12.81% | 12.43% | 8.78% | 14.00% | −0.157 (0.008) | −0.065 (0.007) |
| change | −1.98% | −0.00% | −0.90% | 0.60% | −1.04% | −0.56% | 0.010 | 0.013 |
| Χ2 | 12.74*** | 0.24 | 5.98* | 1.12 | 0.037 | 7.75** | ||
| P | < 0.001 | 0.623 | 0.014 | 0.290 | 0.848 | 0.005 | ||
Note: weighted proportions accounting for sampling design were used
*P < 0.05, **P < 0.01, ***P < 0.001; CIN means the concentration index
acontrolling for age, gender, marital status, occupation, education, residence and region