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Table 1 Population distribution and socioeconomic characteristics across the census tracts

From: Relationship between area-level socioeconomic characteristics and outdoor NO2concentrations in rural and urban areas of northern Spain

  

n

Mean

SD

Median

Min

Max

Family housing residents

Urban <50%

70

1096

386

1059

536

2047

Urban ≥50%

68

1150

387

1129

504

2013

All

138

1123

386

1096

504

2047

% 16–64 years

Urban <50%

70

66.85

6.48

66.19

52.81

79.19

Urban ≥50%

68

68.16

5.30

68.89

51.53

77.70

All

138

67.49

5.94

67.88

51.53

79.19

% Unemployment

Urban <50%

70

6.34

1.38

6.43

1.87

9.17

Urban ≥50%

68

7.81

1.95

7.53

4.83

14.50

All

138

7.06

1.83

6.90

1.87

14.50

% Manual workers

Urban <50%

70

4.77

1.81

4.45

1.25

9.17

Urban ≥50%

68

4.56

1.96

4.52

0.69

11.55

All

138

4.67

1.88

4.50

0.69

11.55

% low education

Urban <50%

70

48.03

13.16

48.30

18.26

87.74

Urban ≥50%

68

42.54

10.12

40.30

23.86

63.28

All

138

45.33

12.03

44.92

18.26

87.74