title: Factors differentiating effective use of contraception among adolescents.
authors.forename: R
authors.initials: R
authors.lastname: Herceg-baron
authors.forename: K M
authors.initials: KM
authors.lastname: Harris
authors.forename: K
authors.initials: K
authors.lastname: Armstrong
authors.forename: F
authors.initials: F
authors.lastname: Furstenberg
authors.forename: J
authors.initials: J
authors.lastname: Shea
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000569:Americas; D001290:Attitude; D001519:Behavior; D003075:Coitus; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D019049:Developed Countries; D005193:Family Planning Services; D006285:Health Planning; D008137:Longitudinal Studies; D008722:Methods; D009656:North America; D010414:Pennsylvania; D011153:Population; D011154:Population Characteristics; D011584:Psychology; D012106:Research; D012725:Sexual Behavior; D014481:United States; D014505:Urban Population
keywords: Adolescents; Adolescents, Female; Age Factors; Americas; Attitude; Behavior; Contraception; Contraception Continuation; Contraceptive Usage--determinants; Demographic Factors; Developed Countries; Family Planning; Family Planning Programs; Family Planning Surveys; First Intercourse; Longitudinal Studies; Methodological Studies; North America; Northern America; Pennsylvania; Population; Population Characteristics; Psychological Factors; Research Methodology; Sex Behavior; Studies; United States; Urban Population; Youth