Coefficients: | Estimate | SE | z Value | Pr(>|z|) |
(Intercept) | −1.848 | 0.200 | −9.248 | <0.001** |
Quintile: poor | 0.392 | 0.252 | 1.553 | 0.120 |
Quintile: middle | 0.680 | 0.234 | 2.910 | 0.004* |
Quintile: rich | 0.968 | 0.227 | 4.270 | <0.001** |
Quintile: richest | 1.538 | 0.208 | 7.400 | <0.001** |
Significance: *p<0.01; **p<0.001.