The association was most robust for those with comorbid MDD and anxiety (OR: 2.99, 95% CI = 2.10–4.28), followed by MDD (OR: 2.14, 95% CI = 1.17–3.95), MADD (OR: 1.53, 95% CI = 1.1.20–1.94), and GAD (OR: 1.41, 95% CI = 1.07–1.85). This evidence concerns the gene GAD1 and Anxiety.