Table 5 Contributions of socioeconomic factors to inequality in suspected developmental delay
|  | Mean \( {\overline{x}}_k \) | Marginal effect β k | Elasticity \( {\beta}_k{\overline{x}}_k/\mu \) | Concentration index c k | Contribution \( \left({\beta}_k{\overline{x}}_k/\mu \right){c}_k \) | Contribution rate (%) \( \frac{\left({\beta}_k{\overline{x}}_k\right)/\mu }{c}{c}_k\times 100\% \) |
|---|---|---|---|---|---|---|
Household | ||||||
 Live in Guizhou | 0.5014 | 0.0247 | 0.0332 | −0.1302 | −0.0043 | 4.9 |
 Per capita net income (1000 CNY) | 3.6730 | −0.0054 | −0.0532 | 0.5623 | −0.0299 | 34.1 |
Caregiver | ||||||
 Middle school or above | 0.6835 | −0.0366 | −0.0670 | 0.0868 | −0.0058 | 6.6 |
 Depression | 0.3896 | 0.1734 | 0.1811 | −0.0682 | −0.0123 | 14.1 |
Child | ||||||
 Age (month) | 18.5693 | −0.0125 | −0.6223 | 0.0011 | −0.0007 | 0.8 |
 Male | 0.5679 | 0.0383 | 0.0583 | −0.0082 | −0.0005 | 0.5 |
 Stunting | 0.1363 | 0.0569 | 0.0208 | −0.1062 | −0.0022 | 2.5 |
 Wasting | 0.0340 | 0.0831 | 0.0076 | −0.0747 | −0.0006 | 0.6 |
 Learning material | 0.8981 | −0.1364 | −0.3284 | 0.0238 | −0.0078 | 8.9 |
 Support for learning | 0.8575 | −0.0844 | −0.1941 | 0.0318 | −0.0062 | 7.0 |