A 4-year follow-up study of syndromal and sub-syndromal anxiety and depression symptoms in the general population

Our aims were to examine the stability of self-rated anxiety and depression symptoms and the predictors for change in case-level status after 4 years in a general population sample. Prospective cohort study. Based on the total score on the Hospital Anxiety and Depression rating scale (HADS-T) in HUNT 2 (1995–1997), three groups were identified: Level 3 (n = 654, score ≥ 25 points), Level 2 (n = 654, score 19–24 points), and Level 1 (n = 1,308,...