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Table 2 Descriptive statistics of MXDRNK phenotype according to diagnostic criteria and affection status

From: Effect of genotype × alcoholism interaction on linkage analysis of an alcoholism-related quantitative phenotype

 

MXDRNK

Diagnostic Criteria

Affection statusa

Mean

Variance

Range

n

ALDX1

1

4.25

11.41

1.0–30.0

285

 

2

0.00

0.00

0.0

29

 

3

12.87

95.32

4.0–72.0

431

 

5

25.41

186.94

5.0–72.0

621

ALDX2

1

4.25

11.41

1.0–30.0

285

 

2

0.00

0.00

0.00

29

 

3

14.42

106.89

4.0–68.0

531

 

5

26.24

198.99

5.0–72.0

521

  1. a1, pure unaffected; 2, never drank; 3, unaffected with some symptoms; 5, affected