Table 4 Zero-inflated negative binomial of type numbers of unintentional injuries
Variables | Coef. | IRR |
|---|---|---|
Child category (reference: residential children) | ||
Left-behind children | 0.109* (0.051) | 1.115* (0.057) |
Migrant children | −0.045(0.052) | 0.956(0.049) |
Individual factors | ||
Gender(reference: girl) | 0.069(0.039) | 1.072(0.042) |
Age (reference: 6–11) | 0.181*** (0.040) | 1.198*** (0.048) |
Fair physical health(reference: good) | 0.175*** (0.040) | 1.192*** (0.047) |
School academic achievements (reference: good) | ||
Fair | 0.116*(0.049) | 1.123*(0.055) |
Poor | 0.206**(0.072) | 1.228**(0.088) |
The only-child in family (reference: no) | −0.028(0.042) | 0.972(0.040) |
Parental and household factors | ||
Household income level (reference: high) | ||
Medium | −0.210**(0.068) | 0.811**(0.055) |
Low | −0.242**(0.073) | 0.785**(0.058) |
Parental marital status (reference: unmarried) | −0.017(0.067) | 0.983(0.066) |
Maternal education attainment (reference: elementary school and below) | −0.190***(0.046) | 0.827***(0.038) |
Family conflicts (reference: frequent) | −0.288***(0.075) | 0.750***(0.056) |
School situation factors | ||
Model school (reference: no) | −0.121(0.073) | 0.886(0.065) |
Peer rejection(reference: no) | 0.348***(0.066) | 1.417***(0.094) |
Residence factors | ||
Rural region (reference: urban region) | 0.304***(0.050) | 1.355***(0.067) |
Constant | 0.662***(0.135) | 1.939***(0.262) |
N | 4479 | 4479 |
chi2 | 313.058 | 313.100 |
p | 0.000 | 0.000 |