Sociodemographic and clinical data.

Sociodemographic and clinical data of patients and controls (patients: N = 36; controls: N = 40) and clinical data of patients; mean ± SE (range); p: significance of two sample t-test/chi-square-test between patients and controls.1 Education years of parent with the highest degree. Data missing for one patient.2 Assessed with the Mehrfachwahl-Wortschatz-Intelligenztest (MWT-B [36]).3 All SANS and SAPS scores represent global ratings of the symptom.