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Table 1 Description of variables

From: Childhood health and social class reproduction in China

N = 6726

  

Variables

Mean/percentage

Notes

Father's ISEI score when respondent was at age 14

23.31 (15.82)

Range: 11.74–85.41

Father's educational attainment

  

Never attended school

43.03%

 

 Primary school

38.27%

 

 Middle school

11.30%

 

 High school or above

7.39%

 

Mother’s educational attainment

  

 Never attended school

62.96%

 

 Primary school

27.52%

 

 Middle school

6.13%

 

 High school or above

3.39%

 

Father's household registration status when respondent was at age 14

0.163 (0.369)

Non-agricultural household registration = 1; agricultural household registration = 0

Mother's household registration status when respondent was at age 14

0.132 (0.338)

Non-agricultural household registration = 1; agricultural household registration = 0

Sex

0.506 (0.5)

Male = 1; female = 0

Age

43.97 (8.67)

Range: 30–60

Ethnicity

0.913 (0.282)

Ethnic Han = 1; ethnic minority = 0

Frequency of eating fish etc

3.398 (2.156)

Range: 0–8, from “never eat” to “at least once per day”

Height (cm)

163.44 (7.89)

Range: 110–197

Years of schooling

7.890 (4.249)

Range: 0–19

ISEI of first job

26.37 (16.47)

Range: 11.74–88.7

ISEI of current job

29.31 (17.81)

Range: 11.74–88.96

Self-assessment of current state of health

  

 Poor

7.55%

 

 Fair

29.42%

 

 Good

39.30%

 

 Excellent

23.73%

 
  1. (1) standard deviations in parentheses; (2) the variables “experience of suffering hunger”, “source of drinking water” and “type of sanitation amenity” are listed in the column 5 of Table 2 (in percentage)