GAD1 and generalized anxiety disorder: The prevalence of having moderate to severe levels of psychiatric problems at three, six, and twelve months was 15.5%, 14.1%, and 15.5% for MD (i.e., PHQ-9 score ≥ 10) and 9.5%, 7.9%, and 8.0% for GAD (i.e., GAD-7 score ≥ 10), respectively.