Table 1.

Descriptive statistics (n = 3,464), China, 2018.

Variable	Definition	Mean	SD	Min	Max
Explained variable
Physical health	1 = very unhealthy; 2 = somewhat unhealthy; 3 = normal; 4 = somewhat health; 5 = very healthy	3.995	0.820	1	5
Mental health	Total score of the CES-D ranges from “20” to “80.” The higher CES-D score, the deeper depression, and the worse mental health	26.858	8.217	20	80
Explanatory variable
Living without parents (0–6 years)	0 = living with parents; 1 = living without parents	0.096	0.295	0	1
Living without parents (7–12 years)	0 = living with parents; 1 = living without parents	0.104	0.305	0	1
Living without parents (13–15 years)	0 = living with parents; 1 = living without parents	0.140	0.347	0	1
Living without parents (16–18 years)	0 = living with parents; 1 = living without parents	0.219	0.413	0	1
Control variable
Gender	1 = male; 0 = female	0.454	0.498	0	1
Age	Years old	28.225	5.206	18	36
Education	Years of schooling education of respondent	11.523	3.913	0	23
Marital status	1 = married; 0 = unmarried	0.702	0.457	0	1
Logarithm of income	Logarithm of total annual income of respondent in 2017	10.533	0.878	5.704	14.914
Smoking	1 = have habit of smoking; 0 = else	0.218	0.413	0	1
Drinking	1 = have habit of drinking; 0 = else	0.169	0.375	0	1
Exercise	1 = have habit of exercise; 0 = else	0.364	0.481	0	1