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Table 1 Example for fitting exposure distributions for white non-Hispanic Americans

From: Statistical modeling of volume of alcohol exposure for epidemiological studies of population health: the US example

Goodness of fit

      

Chi Square

 

Volume of drinking in g/day

Count

Empirical distribution %

log-normal fit %

gamma fit %

Weibull fit %

log-normal

gamma

Weibull

Men

        

0 - 10

4524

57.3

64.6

52.2

57.3

73.0

53.3

0.5

10 - 20.

1163

14.7

11.7

15.2

14.6

50.4

0.2

0.5

20 - 30

666

8.4

5.8

9.2

7.9

67.5

2.6

3.3

30 - 40

459

5.8

3.5

6.1

5.0

70.9

0.5

10.3

40 - 50

238

3.0

2.4

4.3

3.4

9.4

38.2

3.2

50 - 60

156

2.0

1.8

3.1

2.4

1.7

47.0

7.3

60 - 70

119

1.5

1.4

2.3

1.8

1.2

29.8

3.8

70 - 80

95

1.2

1.1

1.7

1.4

1.1

15.8

1.3

80 - 90

85

1.1

0.9

1.3

1.1

3.1

3.1

0.1

90 - 100

48

0.6

0.7

1.0

0.8

1.7

17.8

5.7

100 +

336

4.3

6.5

3.5

4.0

96.9

13.3

1.9

TOTAL

7889

100.0

100.0

100.0

100.0

377.0

221.6

37.7

Women

        

0 - 10

6908

79.7

82.8

74.5

79.6

10.7

60.1

3.2

10 - 20.

848

9.8

7.3

13.8

10.5

53.0

116.2

2.4

20 - 30

443

5.1

3.1

6.0

4.3

69.5

8.3

14.4

30 - 40

169

1.9

1.7

2.9

2.2

2.5

35.0

1.2

40 - 50

92

1.1

1.1

1.5

1.2

0.1

13.2

1.4

50 - 60

65

0.7

0.8

0.8

0.7

0.0

0.1

0.1

60 - 70

37

0.4

0.5

0.4

0.5

3.1

0.0

0.2

70 - 80

16

0.2

0.4

0.2

0.3

25.5

1.2

6.6

80 - 90

19

0.2

0.3

0.1

0.2

4.6

3.1

0.1

90 - 100

17

0.2

0.3

0.1

0.1

2.0

6.6

1.2

100 +

56

0.6

1.8

0.1

0.4

191.6

40.3

7.2

TOTAL

8670

100.0

100.0

100.0

100.0

362.4

284.0

37.8