Table 1 Definition and descriptive analysis of variables.

envg_sat

1 = very poor; 2 = not so good; 3 = better; 4 =very good

2.94

0.78

1

4

airppp

1 = no such phenomenon; 2 = not too serious;

3 = more serious; 4 = very serious

2.07

0.92

1

4

envtax

15.3–874.19

432.98

218.5

15.3

874.19

trust_cent

1 = total distrust; 2 = less trust; 3 = trust; 4=total trust

3.59

0.61

1

4

trust_dc

1 = total distrust; 2 = less trust; 3 = trust; 4=total trust

3.08

0.88

1

5

trust_town

1 = total distrust; 2 = less trust; 3 = trust; 4=total trust

2.94

1

1

5

edu

1 = junior high school and below;

2 = high school; 3 = undergraduate;

4 = graduate and above

1.58

0.81

1

4

lninc

0–14.22

8.54

3.43

0

14.22

gender

0 = female; 1 = male

0.44

0.5

0

1

age

18–69 years

45.97

14.21

18

69

marr

0 = unmarried; 1 = married

0.8

0.4

0

1

party

0 = non-party member; 1 =party member

0.11

0.31

0

1

urban

0 = urban; 1 = rural

0.69

0.46

0

1

work

0 = non-working state; 1 = working state

0.65

0.48

0

1

distr

1 = east; 2 = central; 3 = west

1.86

0.82

1

3