title: How well does number of parents explain unique variance in self-reported drug use?
mesh_terms: D000293:Adolescent; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008297:Male; D010290:Parents; D012044:Regression Analysis; D019966:Substance-Related Disorders / Q000453:epidemiology*; D011795:Surveys and Questionnaires