GABBR1 and Anxiety: However, as DNA methylation at several GABBR1 CpG units was associated with the pregnancy anxiety x gender interaction term (CpG_8 p = 0.045, CpG_9.10 p = 0.014, CpG_14.15 p = 0.029, and a trending effect at CpG_3 p = 0.06), data were stratified by gender.