Drug use among non-student youth.
D000293:Adolescent; D000328:Adult; D003906:Developing Countries; D005260:Female; D006801:Humans; D008297:Male; D000297:Psychology, Adolescent; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000209:etiology; D011795:Surveys and Questionnaires