Relative effects of low socio-economic status, parental smoking and poor scholastic performance on smoking among high school students.
D000293:Adolescent; D000987:Antisocial Personality Disorder; D003674:Defense Mechanisms; D004521:Educational Measurement; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D010290:Parents; D010414:Pennsylvania; D012649:Self Concept; D012907:Smoking; D012923:Social Class; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires