title: Birth order, suicidal preoccupation, and scores suggesting manic-depressive tendencies.
abstract: In a study of 196 college students, those with step- and half-siblings were more depressed than those with none. Birth order and number of siblings were not associated with scores suggesting manic-depressive or suicidal tendencies.
authors.affiliation: Center for the Study of Suicide, Blackwood, NJ 08012, USA.
authors.forename: K J
authors.initials: KJ
authors.lastname: Bergman
authors.forename: L H
authors.initials: LH
authors.lastname: Carmel
authors.forename: D
authors.initials: D
authors.lastname: Lester
mesh_terms: D000293:Adolescent; D000328:Adult; D001714:Bipolar Disorder / Q000175:diagnosis* / Q000523:psychology; D001722:Birth Order; D005260:Female; D006801:Humans; D008297:Male; D010555:Personality Inventory / Q000706:statistics & numerical data*; D011594:Psychometrics; D015203:Reproducibility of Results; D013334:Students / Q000523:psychology; D013405:Suicide / Q000523:psychology*; D000092864:Suicide Prevention