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Sleep Duration Trajectories and Body Composition in Adolescents: Prospective Birth Cohort Study

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  • Antônio Augusto Schäfer
  • Marlos Rodrigues Domingues
  • Darren Lawrence Dahly
  • Fernanda Oliveira Meller
  • Helen Gonçalves
  • Fernando César Wehrmeister
  • Maria Cecília Formoso Assunção

Abstract

We aimed to estimate the association between sleep duration trajectories and body composition in adolescents. We used data from participants of the 1993 Pelotas (Brazil) Birth Cohort Study who were later followed up at age 18 years (response rate of 81.3%). At the time, 3974 adolescents had complete data on body composition, which was assessed by air displacement plethysmography. Sleep duration was self-reported by participants at ages 11 and 18 years. Analyses were sex-stratified. The mean sleep duration at 11 years was 9.7 (SD 1.4) and 8.4 (SD 1.9) at 18 years. Sleep duration was dichotomized as inadequate (

Suggested Citation

  • Antônio Augusto Schäfer & Marlos Rodrigues Domingues & Darren Lawrence Dahly & Fernanda Oliveira Meller & Helen Gonçalves & Fernando César Wehrmeister & Maria Cecília Formoso Assunção, 2016. "Sleep Duration Trajectories and Body Composition in Adolescents: Prospective Birth Cohort Study," PLOS ONE, Public Library of Science, vol. 11(3), pages 1-9, March.
    • Handle: RePEc:plo:pone00:0152348
    DOI: 10.1371/journal.pone.0152348
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