Early-life unpredictability is significantly positively associated with symptoms of anhedonia, depression, and anxiety. Scatterplots of and regression results of QUIC total score associations with PCL-5, GAD-7, PHQ-9, and MASQ-AD total scores:. Trauma-related symptoms (PCL-5 total scores) β = .214, t = 2.64, p = .009, Adj. R2 = 0.039, F(1,145) = 6.94, p = .009. Anxiety (GAD-7 total scores) β = .250, t = 3.10, p = .002, Adj. R2 = 0.056, F(1,145) = 9.63, p = .002. Depression (PHQ-9 total scores) β = .247, t = 3.07, p = .003, Adj. R2 = 0.055, F(1,145) = 9.43, p = .003. Anhedonic depression (MASQ-AD total scores) β = .258, t = 3.21, p = .002, Adj. R2 = 0.060, F(1,145) = 10.32, p = .002. Adj., adjusted; GAD-7, Generalized Anxiety Disorder Scale-7; MASQ-AD, Mood and Anxiety Symptom Questionnaire-Anhedonic Depression; PCL-5, PTSD Checklist for DSM-5; PHQ-9, Patient Health Questionnaire-9; PTSD, posttraumatic stress disorder; QUIC, Questionnaire of Unpredictability in Childhood.