Patterns of smoking behavior.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001521:Behavior Therapy; D004522:Educational Status; D005260:Female; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008393:Marriage; D008875:Middle Aged; D009042:Motivation; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology* / Q000266:history; D000074606:Smoking Prevention; D012923:Social Class; D014481:United States