Table 1 Statistical description of variables.
Variables | Mean or percentage |
|---|---|
Gender | Female (0): 51.9%; Male (1): 48.1% |
Age | Mean: 26.2; Std: 3.7 |
Highest education years of parents (year) | Mean: 8.8; Std: 3.5 |
Type of residence at age 14 | Village (0): 50.2%; Town and county (1): 19.0%; |
Prefecture-level city (2): 17.0%; | |
Provincial capital or municipality (3):13.8% | |
Learning situation at age 14 | Mean: 35.2; Std: 4.3 |