Prevalence of self‐reported subthreshold phenotypes of major mental disorders and their association with functional impairment, treatment and full‐threshold syndromes in a community‐residing cohort of young adults

Subthreshold syndromes (STS) frequently precede the onset of full-threshold syndromes (FTS) of the corresponding mental disorder (homotypic continuity). This study examines whether subthreshold conditions are comorbid and whether there is heterotypic continuity also between STS and FTS.Data were extracted from the Brisbane "19Up" cohort study of twins and siblings (N = 1838; 56% female) on individuals who (i) completed self-report ratings of...