AIDS risk among runaways.
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control* / Q000635:transmission; D000293:Adolescent; D002648:Child; D003275:Contraceptive Devices, Male / Q000706:statistics & numerical data; D003625:Data Collection; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D009519:New York City; D012419:Runaway Behavior; D011795:Surveys and Questionnaires