Some variables contributing to the onset of cigarette smoking among junior high school students.
D000041:Absenteeism; D000124:Achievement; D000293:Adolescent; D000367:Age Factors; D001334:Automobile Driving; D003469:Culture; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008297:Male; D010287:Parent-Child Relations; D010379:Peer Group; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology*; D012923:Social Class; D012925:Social Conformity