From: Genetic linkage analysis supports the presence of two susceptibility loci for alcoholism and heavy drinking on chromosome 1p22.1-11.2 and 1q21.3-24.2
Affection Status
Family Sample
Number Genotyped
%
Mean age ± SD (yrs) in all cases and relatives
TT
7
4
58.2 ± 13
SD
43
24
50.4 ± 17.1
HD
22
13
41.5 ± 14.1
RDCA
50
28
41.5 ± 13.5
ADS
54
31
42.1 ± 11.9