Table 1 Synopsis of the variable description (n = 7035)
From: Childhood migration experience and adult health: evidence from China’s rural migrants
Variables | Code | Definition | Mean | Std. Dev |
|---|---|---|---|---|
Explained variable | ||||
Self-assessed health | health | Very unhealthy = 1; rather unhealthy = 2; fair = 3; healthy = 4; very healthy = 5 | 3.8023 | 0.7991 |
Physical health | physical | \( 18.5\le \text{B}\text{M}\text{I}<25\), physical health = 1; otherwise, physical health = 0 | 0.6141 | 0.4868 |
Mental health | mental | Mental health test (0–18 points) | 15.4533 | 2.6290 |
Explanatory variable | ||||
Childhood migration experience | migration | Whether migration occurred at age 14: Yes = 1; No = 0 | 0.0809 | 0.2727 |
Individual characteristics | ||||
Gender | female | Male = 0; Female = 1 | 0.5818 | 0.4933 |
Age | age | Actual age in the year of the survey (years) | 35.5080 | 9.0529 |
Education | edu | Years of education (years) | 9.2489 | 3.8918 |
Marital status | marry | In marriage = 1; otherwise, the value = 0 | 0.8152 | 0.3882 |
Health insurance | insur | Whether enrolled in health insurance: Yes = 1; No = 0 | 0.9035 | 0.2953 |
Smoke | smoke | Whether smoked daily (\( \ge 1 \)cigarette per day, continuously for 1 year or more): Yes = 1; No = 0 | 0.2124 | 0.4090 |
Drink | drink | Drinking alcohol (at least 1 time per week): Yes = 1; No = 0 | 0.1674 | 0.3734 |
Exercise | exercise | Regular exercise in the last month: Yes = 1; No = 0 | 0.3006 | 0.4586 |
Family characteristics | ||||
Father’s education | fathedu | Years of education (years) | 6.2220 | 3.7505 |
Mother’s education | mothedu | Years of education (years) | 4.2451 | 3.7794 |
Parents’ marital status at age 14 | pamarry | In marriage = 1; otherwise, the value = 0 | 0.9723 | 0.1642 |
Number of siblings | sibling | The number of siblings (number) | 2.5048 | 1.7267 |