Table 1 Descriptive statistics of the dependent and independent variables
Control Group | |||||
|---|---|---|---|---|---|
Variable | Treatment Group | By Manual Matching | p-value from t-test | By Propensity Score Matching | p-value from t-test |
Individual or family level | |||||
Migrant childbirth at destination (1 = yes; 0 = no) | 0.698 | 0.713 | 0.022 | 0.716 | 0.120 |
Intergenerational coresidence (1 = yes; 0 = no) | 0.095 | 0.098 | 0.479 | 0.098 | 0.226 |
Maternal age (year) | 27.44 | 27.29 | 0.015 | 27.32 | 0.028 |
Parents’ highest years of education | 11.73 | 11.24 | 0.000 | 11.24 | 0.000 |
Family size | 3.479 | 3.540 | 0.000 | 3.550 | 0.000 |
Annual per capita family income (yuan) | 2326 | 2147 | 0.000 | 2152 | 0.000 |
Rural origin (1 = yes; 0 = no) | 0.799 | 0.840 | 0.000 | 0.835 | 0.000 |
Migration to urban areas (1 = yes; 0 = no) | 0.74 | 0.629 | 0.000 | 0.611 | 0.000 |
Interprovincial migrant (1 = yes; 0 = no) | 0.563 | 0.621 | 0.000 | 0.644 | 0.000 |
Raising a child at destination (1 = yes; 0 = no) | 0.292 | 0.331 | 0.000 | 0.336 | 0.000 |
Duration of migration (year) | 3.043 | 3.036 | 0.885 | 3.105 | 0.155 |
Births (n) | 13,942 | 8,614 | 7,477 | ||
County level | |||||
Population size (10,000 persons) | 436.7 | 397.1 | 0.003 | 403.9 | 0.049 |
GDP per capita (yuan) | 84,565 | 77,268 | 0.000 | 75,528 | 0.010 |
Number of hospital beds | 19,662 | 10,035 | 0.000 | 7,959 | 0.000 |
Intraprovincial migrant population in 2010 | 107,279 | 69,804 | 0.000 | 77,259 | 0.000 |
County-year observations (n) | 1,339 | 975 | 819 | ||