Variables

Minimum

Maximum

Mean

value

Standard Deviation

Residents’ happiness

1

5

3.76

0.84

AQI

12.05

192.28

80.19

32.03

Gender

0

1

0.48

0.51

Age

5

63

46.7

15.01

City

0

1

0.56

0.49

Political outlook

0

1

0.14

0.34

Marital status

0

1

0.79

0.34

Nation

1

7

1.23

1.25

Physical and mental health

1

5

2.07

0.95

Health

1

5

3.73

1.08

Total household income for the whole year (logarithm)

9.21

12.1

10.8

0.94

Social trust

1

5

3.28

1.03

Social integrity

1

5

3.05

1.02

Social equity

1

5

3

1.04

Per capital GDP in various provinces and cities

22922

99607

47046.55

20776.72