Table 2

Genotype association between rs7162140 and quantitative measures of substance dependence.


n
Mean
SD
Model
p-Value (two-tailed)

Tobacco Dose





CC
192
74.9
55.1
Dominant
0.01
CT
73
97.0
70.9
Recessive
0.84
TT
8
76.6
35.8


CT|TT
81
95.0
68.4



Alcohol Dose





CC
354
20.1
21.8
Dominant
0.81
CT
161
21.1
21.1
Recessive
0.41
TT
21
16.4
16.2


CT|TT
182
20.6
20.7



Alcohol dose described as units (10 g) per week. Tobacco dose described as cigarettes smoked per week. Analysis based on both dominant (TT|CT > CC) and recessive (TT > CT|CC) inheritance models using the Student's t-test (two-tailed) to measure equality of means.

Anney et al. BMC Genetics 2007 8:46   doi:10.1186/1471-2156-8-46