title: Acquisition of sexually transmitted infections in adolescents attending an urban, general HMO teen clinic.
abstract: To determine association between acquisition of sexually transmitted infections (STIs) over a nine-month period among sexually experienced adolescents attending an urban, general HMO teen clinic and African American race, use of marijuana more than once or twice a week, and having had relationships with a sexual partner who is more than four years older.
authors.affiliation: Department of Pediatrics, Division of Adolescent Medicine, University of California, San Francisco, San Francisco, California 94143-0503, USA. boyerc@peds.ucsf.edu
authors.forename: Cherrie B
authors.initials: CB
authors.lastname: Boyer
authors.forename: Nadew S
authors.initials: NS
authors.lastname: Sebro
authors.forename: Charles
authors.initials: C
authors.lastname: Wibbelsman
authors.forename: Mary-Ann
authors.initials: MA
authors.lastname: Shafer
mesh_terms: D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000554:Ambulatory Care Facilities / Q000706:statistics & numerical data*; D003430:Cross-Sectional Studies; D005260:Female; D006279:Health Maintenance Organizations; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008385:Marijuana Smoking; D012044:Regression Analysis; D012307:Risk Factors; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000635:transmission*; D014505:Urban Population