title: [Contraceptive use and smoking among Spanish women].
abstract: OBJECTIVE
  The aim of this study is to analyze the oral contraceptive use and smoking habits among Spanish women.
  
  
  METHODS
  Descriptive observation study of a crossover design.
  
  
  METHODS
  General population, using to this purpose the 1993 National Household Health Survey.
  
  
  METHODS
  5229 Spanish women aged 16-42 years.
  
  
  RESULTS
  The use of oral contraceptives, as well as patterns of smoking was assessed. 4.6% of the women of 16-42 years of age had used oral contraceptives in the last two weeks, from which 51.1% smoked in a daily basis. Furthermore, mean number of cigarettes/day and heavy smokers was higher among oral contraceptive users than in non users.
  
  
  CONCLUSIONS
  Smoking habit and oral contraceptive use is frequent among Spanish women (this population a higher risk of certain side effects). Health professionals should be aware of smoking the women taking oral contraceptives.
authors.affiliation: Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad de Valladolid.
authors.forename: C
authors.initials: C
authors.lastname: Prada
authors.forename: M C
authors.initials: MC
authors.lastname: del Río
authors.forename: F J
authors.initials: FJ
authors.lastname: Alvarez
mesh_terms: D000293:Adolescent; D000328:Adult; D016001:Confidence Intervals; D003276:Contraceptives, Oral; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D012907:Smoking / Q000453:epidemiology*; D013030:Spain
chemical_list: D003276:Contraceptives, Oral
vernacular_title: Consumo de anticonceptivos y hábito tabáquico en las mujeres españolas.