ADCYAP1 and post-traumatic stress disorder: Increased baseline ADCYAP1 CpG1&2 methylation was associated with increased PTSD scores at baseline (ß = 4.67, p < 0.001), while decreased ADCYAP1 CpG1&2 methylation at 3-months (ß = −2.61, p = 0.001) and 6-months (ß = −5.01, p < 0.001) was associated with increased PTSD scores at 3-months and 6-months post-rape.