Table 3.

Definitions and descriptive statistics of the dependent variables in the analytical sample of rural-origin children (10–15 years; N = 2,112): CFPS 2010

Dependent Variable	Definition	Mean	SD	N (% Missing)
Educational Performance
Word test score	34-item Chinese word test	21.17	7.24	2,044 (3.2%)
Math test score	24-item mathematical test	10.87	4.50	2,044 (3.2%)
Chinese grade	Parent-reported 4-scale grade in the last semester	2.60	0.94	2,012 (4.7%)
Math grade	Parent-reported 4-scale grade in the last semester	2.54	1.00	2,013 (4.7%)
Political Knowledge	Factor analysis score of 3 items about political leaders	−0.11	0.97	2,008 (4.9%)
Subjective Well-Being
Depression	Factor analysis score of 6- item CES-D	−0.03	0.97	2,086 (1.2%)
Positive self-perspective	Factor analysis score of 4 Likert-type items (popularity/happiness/self- confidence/easygoing)	−0.03	0.99	2,096 (0.8%)
Inter-Person Relationship
N of quarrels with parents     last month	Frequency in the last month	0.45	1.73	2,098 (0.7%)
N of good friends	Self-enumerated	6.06	8.13	2,109 (0.1%)
Time Use
Days per week doing     housework/farming	Frequency of participation	2.69	2.38	2,104 (0.4%)
Hours per week studying	Duration of time	43.83	17.65	2,112 (0.0%)
Nutrition
Height	In centimeters	146.52	15.17	1,993 (5.6%)
Weight	In kilograms	37.61	10.82	1,988 (5.9%)
N of food types eaten last     month	Meat, fish, vegetable, dairy product, bean, egg, pickled food, and fried food	4.45	1.99	2,112 (0.0%)
Interviewer’s Observation
Comprehension capability	7-point Likert scale	4.99	1.26	2,107 (0.2%)
Mandarin fluency	7-point Likert scale	4.44	1.61	2,107 (0.2%)
Intelligence	7-point Likert scale	5.04	1.17	2,107 (0.2%)
Self-expression	7-point Likert scale	5.05	1.23	2,107 (0.2%)
Parents care child's     education	5-point Likert scale	3.28	0.73	2,112 (0.0%)
Parents actively     communicate with child	5-point Likert scale	3.47	0.69	2,112 (0.0%)