Table 1. Phenotypic distribution of 1,923 genotyped individuals.
| Phenotypes | # Affected (%) | # Unaffected (%) | Unknown1 (%) |
|---|---|---|---|
| DSM-IV | 718 (37.3%) | 1025 (53.3%) | 180 (9.4%) |
| COGA | 862 (44.8%) | 881 (45.8%) | 180 (9.4%) |
| EARLY2 | 399 (20.7%) | 1025 (53.3%) | 499 (26.0%) |
1
There are 123 individuals without a completed SSAGA diagnostic interview, and 57 individuals recoded as unknown due to contradicting alcohol dependence classification.
2
Subjects coded as early met the DSM-IV criteria for alcohol dependence at age 21 or younger.