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Table 1 Descriptive statistics for all variables12

From: “Happiness in the air?” the effects of air pollution on adolescent happiness

 

Minimum

Maximum

Mean

SD

PM2.5

20.83

35.81

28.11

4.78

PM10

34.60

72.26

51.47

9.57

NO2

20.43

34.01

28.51

4.47

% of college graduates

2.05

35.54

11.21

8.28

Population density

51

39,947

9310.9

10,543.03

Mutuality

1

2.25

1.70

.200

Wave 1 Happiness

1

4

2.97

.806

Wave 2 Happiness

1

4

2.92

.798

Wave 3 Happiness

1

4

2.83

.763

Sex

0

1

.51

.50

Family income

0

600

54.66

43.60

Family intactness

0

1

.12

.33

Wave 1 Class rank

1

5

2.95

1.18

Wave 1 Negative life event

0

16

2.48

2.10

Wave 1 Family cohesion

1

4

1.99

.64

Wave 1 Self-esteem

6

24

16.02

2.89

Wave 1 Negative emotion

0

4

.57

.80

Wave 1 deviance

0

10

.49

1.01

Wave 1 Friends’ support

1

4

1.76

.54

  1. 1 n = 40 at the district level
  2. 2 n varied from 2548 to 2571 at the individual level