title: Smoking, obesity, and their co-occurrence in the United States: cross sectional analysis.
abstract: OBJECTIVE
  To describe the prevalence of obesity, smoking, and both health risk factors together among adults in the United States.
  
  
  METHODS
  Cross sectional analysis of a national health interview survey.
  
  
  METHODS
  United States.
  
  
  METHODS
  29 305 adults (aged > or = 18) in 2002.
  
  
  METHODS
  Prevalence of adults who are obese (body mass index > or = 30), who smoke, and who are obese and smoke. Prevalence was stratified by age, sex, ethnic group, education, and income.
  
  
  RESULTS
  23.5% of adults were obese, 22.7% smoked, and 4.7% smoked and were obese.
  
  
  CONCLUSIONS
  Although the proportion of adults who smoke and are obese is relatively low, this subgroup is concentrated among lower socioeconomic groups.
authors.affiliation: Columbia University, Mailman School of Public Health, New York, NY, USA. chealton@americanlegacy.org
authors.forename: Cheryl G
authors.initials: CG
authors.lastname: Healton
authors.forename: Donna
authors.initials: D
authors.lastname: Vallone
authors.forename: Kristen L
authors.initials: KL
authors.lastname: McCausland
authors.forename: Haijun
authors.initials: H
authors.lastname: Xiao
authors.forename: Molly P
authors.initials: MP
authors.lastname: Green
mesh_terms: D000328:Adult; D000368:Aged; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000453:epidemiology*; D015995:Prevalence; D012307:Risk Factors; D012907:Smoking / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology