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Table 3 Rates of poor self-assessed health in different income groups

From: Improving health equity: changes in self-assessed health across income groups in China

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   
  1. Note: weighted proportions accounting for sampling design were used
  2. *P < 0.05, **P < 0.01, ***P < 0.001; CIN means the concentration index
  3. acontrolling for age, gender, marital status, occupation, education, residence and region