A novel SNP in COMT is associated with alcohol dependence but not opiate or nicotine dependence: a case control study

Table 1 Allele Association of COMT SNP rs165774

Sample	Allele frequency		χ²	p-value*	Odds Ratio	95% CI
	G	A
Controls	304	176
Nicotine dependence	199	93	1.856	0.173	1.24	0.91-1.69
Opiate dependence	161	73	2.072	0.150	1.28	0.91-1.78
Alcohol dependence	319	133	5.509	0.019	1.39	1.05-1.83

ISSN: 1744-9081