Table 3.

Risks for PTSD associated with amphetamine dependence and the presence of one or more rs12364283 G allele

Independent variables	PTSD Risk N=1748	PTSD Risk Adjusted* N=1315
Amphetamine dependence +, any rs12364283 G allele +	2.86ab 1.92–4.27	2.43cd 1.56–3.81
Amphetamine dependence +, any rs12364283 G allele −	1.37a 1.09–1.72	1.31c 1.00–1.70
Amphetamine dependence −, any rs12364283 G allele +	1.26b 0.85–1.87	1.34d 0.83–2.17
Heroin dependence	2.13 1.63–2.79	1.94 1.39–2.70
Male	2.43 1.98–2.99	2.40 1.89–3.04
BIS Total Score	---	1.02 1.01–1.04

^*Controlling for BIS total score; Difference in risks associated with indicated independent variables:

^ap=0.0003;

^bp=0.002;

^cp=0.006;

^dp=0.056