title: Longitudinal and cross-sectional associations of physical activity with triglyceride and HDLc levels in young male adults.
abstract: BACKGROUND
  The purpose of this study was to evaluate cross-sectional and longitudinal associations between physical activity and triglyceride and HDLc levels in young male adults.
  
  
  METHODS
  We used information about males belonging 1982 Pelotas Birth Cohort. Physical activity in 4 domains (leisure time, transportation, household, and occupation) was assessed by self-report in participants of the cohort at ages of 18 and 23 years. Subjects were active if reached the recommendation of 150 min/week of moderate to vigorous physical activity. At 23 years of age, blood sample was collected, and triglycerides and HDLc levels estimated. Multivariate linear and Poisson regression were used to adjust the estimates for confounders.
  
  
  RESULTS
  Males who were inactive at 18 and active at 23 years had 41% lower risk (β = 0.59; 95% confidence interval: 0.40; 0.89) for borderline-high triglycerides (≥ 150 mg/dL) as compared with those who were inactive at both follow-ups. No association was found between changes of physical activity and HDLc level. In cross-sectional analyses, greater HDLc levels were found in active subjects in 4 domains, whereas there was no difference in HDL levels according physical activity during leisure time.
  
  
  CONCLUSIONS
  Becoming active from adolescence to early adulthood reduced the risk for high triglycerides. Current physical activity was associated with greater HDLc levels.
authors.affiliation: Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil.
authors.forename: Renata Moraes
authors.initials: RM
authors.lastname: Bielemann
authors.forename: Virgílio Viana
authors.initials: VV
authors.lastname: Ramires
authors.forename: Denise Petrucci
authors.initials: DP
authors.lastname: Gigante
authors.forename: Pedro Curi
authors.initials: PC
authors.lastname: Hallal
authors.forename: Bernardo Lessa
authors.initials: BL
authors.lastname: Horta
mesh_terms: D000293:Adolescent; D015992:Body Mass Index; D001938:Brazil / Q000453:epidemiology; D008076:Cholesterol, HDL / Q000097:blood*; D003430:Cross-Sectional Studies; D004032:Diet / Q000706:statistics & numerical data*; D004041:Dietary Fats / Q000008:administration & dosage; D006801:Humans; D007899:Leisure Activities / Q000145:classification; D008137:Longitudinal Studies; D008297:Male; D009043:Motor Activity / Q000502:physiology*; D015999:Multivariate Analysis; D009790:Occupations / Q000145:classification / Q000706:statistics & numerical data; D012907:Smoking / Q000453:epidemiology; D013177:Sports / Q000706:statistics & numerical data; D014186:Transportation / Q000145:classification / Q000706:statistics & numerical data; D014280:Triglycerides / Q000097:blood*; D055105:Waist Circumference; D055815:Young Adult
chemical_list: D008076:Cholesterol, HDL; D004041:Dietary Fats; D014280:Triglycerides