Lifetime PEs were assessed using the Diagnostic Interview Schedule (DIS) by trained non‐clinician interviewers (18 (link)). Participants were asked a total of nine questions relating to ever experiencing delusions, and two questions relating to ever experiencing hallucinations (Table 2). Participants who reported that psychotic symptoms were due to drugs, alcohol, or medical reasons, or considered to be trivial due to occurring for less than 2 weeks over the lifetime, were coded as “no.” For a more detailed description the methods used in screening psychotic experiences, see Eaton, 1991 (21 (link)). Diagnoses of depressive disorders were based on the Diagnostic Interview Schedule using DSM III‐R criteria, also administered by trained non‐clinician interviewers. Previous work has established the validity of the use of the DIS in ascertaining psychiatric diagnoses (18 (link)). Major depressive disorder is defined as “one or more major depressive episodes without a history of a Manic or unequivocal Hypomanic Episode.” Minor depressive disorder refers to a depression that does not meet the full criteria for major depressive disorder but in which at least two symptoms are present for 2 weeks, one of which must be anhedonia or dysphoria (22 (link)).