Group characteristics long-term follow-up sample.

a = Years of education averaged for both parents; b = Four BSABS-P scores (3 UHR-NP, 1 UHR-P) were incomplete; c = Participants fulfilling multiple criteria were added as a separate individual in each category and for one UHR-P individual the COGDIS criterion could not be evaluated due to missing values; d = Participants using more than one type of medication were added as a separate individual in each category; e = unavailable for two UHR-P individuals; TDC = typically developing controls, UHR = Ultra-High Risk; UHR-NP = Ultra-High Risk without subsequent psychosis; UHR-P = Ultra-High Risk with subsequent psychosis; SIPS/SOPS = Structured Interview for the assessment of Prodromal Syndromes/Scale of Prodromal Symptoms; BSABS-P = Bonn Scale for the Assessment of Basic Symptoms – Prediction; GAF = Global Assessment of Functioning; APS = Attenuated Positive Symptoms; BLIPS = Brief Limited and Intermittent Psychotic Symptoms; GRD = Genetic Risk and a Deterioration in functioning; COGDIS = Cognitive Disturbances; mGAF = Modified Global Assessment of Functioning.