Table 1 Demographic and socioeconomic characteristics used as model covariates for the coal seam gas, rural low-impact, and coal high-impact study areas for the start, mid-point, and end of the study time period (1995–2011)^a

Population

40100

40529

44217

8804

8306

7747

32508

30644

35142

Percentage male

51.45

51.50

51.76

52.77

51.70

51.00

53.83

53.82

53.97

Percentage female

48.55

48.50

48.24

47.23

48.30

49.00

46.17

46.18

46.03

Percentage Indigenous persons

2.83

4.22

4.86

10.99

13.14

15.64

5.24

4.84

5.71

Percentage persons Australian-born

89.35

86.74

83.40

92.77

87.21

83.36

89.77

86.11

77.78

Percentage persons employed full-time

31.39

31.09

31.86

33.79

33.27

33.12

36.23

37.04

36.24

Percentage persons in managerial, administrative, or professional occupations

14.90

15.61

15.30

13.72

14.79

16.28

9.84

11.47

12.05

Weighted average median weekly household income

485.81

749.24

1135.58

475.15

696.97

946.35

926.27

1250.16

2182.04

Weighted average mean household size

2.71

2.56

2.50

2.71

2.45

2.31

3.14

3.0

2.99