title: Occupation-related differences in the prevalence of metabolic syndrome.
abstract: OBJECTIVE
  To investigate the prevalence of metabolic syndrome in the Spanish working population and determine how the prevalence varies according to occupation and sex.
  
  
  METHODS
  This was a cross-sectional study of 259,014 workers (mean age 36.4 years, range [16-74]; 72.9% male) who underwent a routine medical checkup. The Adult Treatment Panel III (2001) definition for metabolic syndrome was used.
  
  
  RESULTS
  The prevalence of metabolic syndrome was 11.6% (95% CI 11.5-11.7) in male subjects and 4.1% (4.0-4.2) in female subjects and increased with age. The prevalence of metabolic syndrome varied in the different categories of occupational activity depending on the sex considered. Among female subjects, the age-adjusted prevalence of metabolic syndrome was higher in blue-collar than in white-collar workers, but this difference was not evident among male workers.
  
  
  CONCLUSIONS
  The prevalence of metabolic syndrome varies in the different categories of occupational activity in the Spanish working population. This variation also depends on sex.
authors.affiliation: Ibermutuamur (Mutua de Accidentes de Trabajo y Enfermedades Profesionales de la Seguridad Social 274), Madrid, Spain. miguelangelsanchez@ibermutuamur.es
authors.forename: Miguel-Angel
authors.initials: MA
authors.lastname: Sánchez-Chaparro
authors.forename: Eva
authors.initials: E
authors.lastname: Calvo-Bonacho
authors.forename: Arturo
authors.initials: A
authors.lastname: González-Quintela
authors.forename: Carlos
authors.initials: C
authors.lastname: Fernández-Labandera
authors.forename: Martha
authors.initials: M
authors.lastname: Cabrera
authors.forename: Juan-Carlos
authors.initials: JC
authors.lastname: Sáinz
authors.forename: Ana
authors.initials: A
authors.lastname: Fernández-Meseguer
authors.forename: José R
authors.initials: JR
authors.lastname: Banegas
authors.forename: Luis-Miguel
authors.initials: LM
authors.lastname: Ruilope
authors.forename: Pedro
authors.initials: P
authors.lastname: Valdivielso
authors.forename: Javier
authors.initials: J
authors.lastname: Román-García