Rural

Urban

Mean

Standard

Mean

Standard

Primary school

0.18

0.38

0.02

0.13

Junior middle school

0.66

0.48

0.20

0.40

High school

0.12

0.33

0.29

0.45

College or above

0.03

0.18

0.49

0.50

Leader/professional and technical

0.12

0.33

0.27

0.45

Office worker/business and service

0.32

0.46

0.49

0.50

Ordinary worker

0.40

0.49

0.18

0.38