title: Behavioural correlates of active commuting to school in Spanish adolescents: the AFINOS (Physical Activity as a Preventive Measure Against Overweight, Obesity, Infections, Allergies, and Cardiovascular Disease Risk Factors in Adolescents) study.
abstract: OBJECTIVE
  To examine the associations between lifestyle factors and active commuting to school in Spanish adolescents.
  
  
  METHODS
  Cross-sectional study. Lifestyle factors (overall/extracurricular physical activity, television viewing, reading as a hobby, sleep duration, breakfast/fruit intake, smoking and alcohol intake) as well as mode and duration of commuting to school were self-reported. Active commuters were defined as those adolescents who walked or cycled to school.
  
  
  METHODS
  Secondary schools in Madrid, Spain.
  
  
  METHODS
  Adolescents (n 2029) aged 13 to 17 years.
  
  
  RESULTS
  Similar percentages of adolescent boys (57·6 %) and girls (56·1 %) were classified as active commuters to school (P = 0·491). The analysis showed that only adequate sleep duration (OR = 1·35, 95 % CI 1·11, 1·66; P = 0·003) and breakfast consumption (OR = 0·66, 95 % CI 0·49, 0·87; P = 0·004) were independently associated with active commuting to school.
  
  
  CONCLUSIONS
  Only those behaviours that occur immediately before commuting to school (sleep and breakfast) are associated with active commuting in Spanish adolescents.
authors.affiliation: Immunonutrition Research Group, Department of Metabolism and Nutrition, Instituto del Frio, Institute of Food Science, Technology and Nutrition (ICTAN), Spanish National Research Council (CSIC), Calle José Antonio Novais 10, E-28040 Madrid, Spain. d.martinez@uam.es
authors.forename: David
authors.initials: D
authors.lastname: Martínez-Gómez
authors.forename: Oscar L
authors.initials: OL
authors.lastname: Veiga
authors.forename: Sonia
authors.initials: S
authors.lastname: Gomez-Martinez
authors.forename: Belen
authors.initials: B
authors.lastname: Zapatera
authors.forename: Maria E
authors.initials: ME
authors.lastname: Calle
authors.forename: Ascension
authors.initials: A
authors.lastname: Marcos
mesh_terms: D000293:Adolescent; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D003430:Cross-Sectional Studies; D005260:Female; D015438:Health Behavior; D006801:Humans; D006967:Hypersensitivity / Q000517:prevention & control*; D008019:Life Style; D008297:Male; D009043:Motor Activity; D009765:Obesity / Q000517:prevention & control*; D050177:Overweight / Q000517:prevention & control*; D012307:Risk Factors; D012574:Schools; D012959:Socioeconomic Factors; D013030:Spain; D011795:Surveys and Questionnaires; D014186:Transportation; D044465:White People