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Low Exercise Capacity Increases the Risk of Low Cognitive Function in Healthy Young Men Born Preterm: A Population-Based Cohort Study

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  • Jenny Svedenkrans
  • Jan Kowalski
  • Mikael Norman
  • Kajsa Bohlin

Abstract

Background: Preterm birth is a risk factor for decreased exercise capacity and impaired cognitive functions in later life. The objective of this study was to disentangle the associations between preterm birth, physical fitness and cognitive performance in young adulthood. Methods: This population-based cohort study included 218,802 young men born in Sweden 1973–1983. Data on birth characteristics was obtained from the Medical Birth Register and linked to exercise capacity assessed by ergometer cycling and cognitive tests performed at conscription for military service in 1993–2001. Cognitive performance was assessed using stanine (STAndard NINE) scores. The results were adjusted for socioeconomic factors. Results: Exercise capacity was positively associated with cognitive performance across all gestational ages. The sub-group of men who were born extremely preterm (gestational age

Suggested Citation

  • Jenny Svedenkrans & Jan Kowalski & Mikael Norman & Kajsa Bohlin, 2016. "Low Exercise Capacity Increases the Risk of Low Cognitive Function in Healthy Young Men Born Preterm: A Population-Based Cohort Study," PLOS ONE, Public Library of Science, vol. 11(8), pages 1-12, August.
    • Handle: RePEc:plo:pone00:0161314
    DOI: 10.1371/journal.pone.0161314
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