Demographic and clinical characteristics.

Note. Data are presented as the mean (SD). ARMS = at-risk mental state; IQ = intelligence quotient; GAF = global assessment of functioning; PANSS = positive and negative syndrome scale; CAARMS = comprehensive assessment of at-risk mental states; HAM-A = Hamilton anxiety rating scale; HAM-D = Hamilton depression rating scale; BPRS = brief psychiatric rating scale. aThe CAARMS score is an overall score that was calculated by summing all subscales.