VN1R1 and Anxiety: In women, the VN1R1 polymorphism was also significantly associated with relationship status, such that carriers of the D-allele were less likely to be in a relationship (Padd=0.008, Wald(1)=7.1, odds ratio=0.8), but not with relationship duration (Padd=0.9) or sex-related anxiety (Padd=0.9).