title: Married and unmarried couples.
authors.forename: C A
authors.initials: CA
authors.lastname: Bachrach
authors.forename: M C
authors.initials: MC
authors.lastname: Horn
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004243:Divorce; D004522:Educational Status; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D008393:Marriage; D012725:Sexual Behavior; D012959:Socioeconomic Factors; D014481:United States