title: [Smoking and school children: context, opinions and behavior].
abstract: BACKGROUND
  This paper studies smoking epidemiology in school-age students.
  
  
  METHODS
  A cross-sectional survey of 8th grade students (13-14 years-old) in the schools of Barcelona (Catalonia, Spain) in 1987, 1992 and 1994.
  
  
  RESULTS
  The perception of smoking in the students environment has decreased. The proportion of regular smokers decreases, from 12.6% in 1987 to 9.5% in 1994 (p < 0.05) (an annual decrease of 3.5%) although the proportion who experiment with tobacco remains table.
  
  
  CONCLUSIONS
  There is a decrease in the prevalence of regular smoking in the school-age population (13-14 years-old) in Barcelona (Spain).
authors.affiliation: Institut Municipal de la Salut, Ajuntament de Barcelona. jrvillal@imsb.bcn.es
authors.forename: J R
authors.initials: JR
authors.lastname: Villalbí
authors.forename: R
authors.initials: R
authors.lastname: Vives
authors.forename: M
authors.initials: M
authors.lastname: Nebot
authors.forename: E
authors.initials: E
authors.lastname: Díez
authors.forename: M
authors.initials: M
authors.lastname: Ballestín
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D000367:Age Factors; D001290:Attitude; D003430:Cross-Sectional Studies; D003625:Data Collection; D005260:Female; D006801:Humans; D008297:Male; D015995:Prevalence; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology*; D013030:Spain / Q000453:epidemiology
vernacular_title: El tabaco y los escolares: contexto, opiniones y comportamiento.