title: Excessive consumption of dietary supplements among professionals working in gyms in Pelotas, Rio Grande do Sul State, Brazil, 2012.
abstract: to investigate the prevalence and factors associated with excessive consumption of dietary supplements among professionals working at gyms in Pelotas, Rio Grande do Sul State, Brazil.
  
  
  
  this is a cross-sectional study with all local fitness professionals identified in 2012; excessive consumption of dietary supplements was defined as the use of three or more types of supplements simultaneously; multivariate analysis was carried out using Poisson regression with robust variance.
  
  
  
  497 professionals were interviewed; the prevalence of excessive consumption of dietary supplements was 10.5% (95%CI 7.9;13.5); there was association with the male sex (PR=3.2; 95%CI 1.6;6.7) and with length of time of dietary supplement consumption ≥4 years when compared to <1 year (PR=2.8; 95%CI 1.7;4.7); lower consumption was found among professionals with higher levels of education, regardless of whether they had a degree in physical education or not (p=0,007).
  
  
  
  prevalence of excessive consumption of dietary supplements can be considered high and was associated with sociodemographic variables.
authors.affiliation: Universidade Federal de Pelotas, Faculdade de Nutrição, Pelotas-RS, Brasil.
authors.forename: Tatiane Araujo
authors.initials: TA
authors.lastname: Cava
authors.affiliation: Universidade Federal de Pelotas, Programa de Pós-Graduação em Nutrição, Pelotas-RS, Brasil.
authors.forename: Samanta Winck
authors.initials: SW
authors.lastname: Madruga
authors.affiliation: Universidade Federal de Pelotas, Programa de Pós-Graduação em Educação Física, Pelotas-RS, Brasil.
authors.forename: Gesiane Dias Trindade
authors.initials: GD
authors.lastname: Teixeira
authors.affiliation: Universidade Federal de Pelotas, Programa de Pós-Graduação em Educação Física, Pelotas-RS, Brasil.
authors.forename: Felipe Fossati
authors.initials: FF
authors.lastname: Reichert
authors.affiliation: Universidade Federal de Pelotas, Programa de Pós-Graduação em Educação Física, Pelotas-RS, Brasil.
authors.forename: Marcelo Cozzensa da
authors.initials: MC
authors.lastname: Silva
authors.affiliation: Universidade Federal de Pelotas, Programa de Pós-Graduação em Educação Física, Pelotas-RS, Brasil.
authors.forename: Airton José
authors.initials: AJ
authors.lastname: Rombaldi
mesh_terms: D000328:Adult; D001938:Brazil; D003430:Cross-Sectional Studies; D019587:Dietary Supplements / Q000009:adverse effects; D015444:Exercise; D005260:Female; D020446:Fitness Centers; D006801:Humans; D008297:Male; D015999:Multivariate Analysis; D016012:Poisson Distribution; D015995:Prevalence; D012737:Sex Factors; D013997:Time Factors; D055815:Young Adult