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Overcoming birth weight: can physical activity mitigate birth weight-related differences in adiposity?

Summary: Background: Individuals born at low or high birth weight (BW) have elevated adiposity. The extent to which physical activity can mitigate this risk is unknown. Objectives: The aim of this study was to determine if associations between BW and adiposity vary by self‐reported moderate‐to‐vigor...

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Published in:Pediatric Obesity Vol. 11; no. 3; pp. 166 - 174
Main Authors: Boone‐Heinonen, J., Markwardt, S., Fortmann, S. P., Thornburg, K. L.
Format: research tables/charts Journal Article
Published: Wiley-Blackwell Jun2016
Online Access:View this record in EBSCOhost
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      jtl: Pediatric Obesity
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      dt: Jun2016
      vid: 11
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      pub: Wiley-Blackwell
      place: Malden, Massachusetts
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        115133712
        115133712
        115133712
        10.1111/ijpo.12040
        115133712
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        atl: Overcoming birth weight: can physical activity mitigate birth weight-related differences in adiposity?
      aug:
        au:
          Boone‐Heinonen, J.
          Markwardt, S.
          Fortmann, S. P.
          Thornburg, K. L.
        affil: Department of Public Health and Preventive Medicine, Oregon Health & Science University, Portland OR, USA
      sug:
        subj:
          Birth Weight Evaluation
          Physical Activity
          Adipose Tissue
          Human
          Infant, Low Birth Weight
          Adolescence
          Male
          Female
          Confidence Intervals
          Waist Circumference
          Descriptive Statistics
          Sensitivity and Specificity
          Funding Source
          Child
          Linear Regression
          Body Mass Index
          Sex Factors
          Adolescent: 13-18 years
          Child: 6-12 years
          Male
          Female
      ab: Summary: Background: Individuals born at low or high birth weight (BW) have elevated adiposity. The extent to which physical activity can mitigate this risk is unknown. Objectives: The aim of this study was to determine if associations between BW and adiposity vary by self‐reported moderate‐to‐vigorous physical activity (MVPA) among adolescents. Methods: We used data on adolescents in the National Health and Nutrition Examination Survey (1999–2006; 12–15 years; n = 4064). Using gender‐stratified linear regression, we modelled body mass index (BMI) and waist circumference (WC) z‐scores as a function of low, normal and high BW, MVPA (weekly Metabolic Equivalent of Task hours) and MVPA*BW cross‐product terms, adjusting for sociodemographics, diet and, in WC models, BMI. Results: Among girls with low MVPA, those born with high BW had greater BMI than normal BW; this difference diminished with greater MVPA (coefficient [95% confidence interval]: low MVPA: 0.72 [0.29, 1.14]; high MVPA: −0.04 [−0.48, 0.39]; P for interaction = 0.05). Among boys, MVPA did not modify the associations between BW and BMI. WC was unrelated to BW, regardless of MVPA. Conclusions: Findings suggest that effects of high BW in total adiposity can be more easily modified with MVPA in adolescent girls than in boys.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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