GAD1 and psychiatric disorder: Figure 1 show that the results of the Kruskal–Wallis-test, there were significant differences on the following scales of clinical symptoms on mental disorders: FCV-19S (H (2) = 20.5, P ≤ 0.001), PHQ-9 (H (2) = 17.0, P ≤ 0.001), GAD-7 (H (2) = 21.2, P ≤ 0.001), and IES-R (H (2) = 26.4, P ≤ 0.001).