Intakes and Food Sources of Dietary Fibre and Their Associations with Measures of Body Composition and Inflammation in UK Adults: Cross-Sectional Analysis of the Airwave Health Monitoring Study

Rachel Gibson, Rebeca Eriksen, Edward Chambers, He Gao, Andrew Heard, Maria Aresu, Queenie Chan, Paul Elliott, Gary Frost

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)
143 Downloads (Pure)

Abstract

The purpose of this study was to investigate the associations between intakes of fibre from the main food sources of fibre in the UK diet with body mass index (BMI), percentage body fat (%BF), waist circumference (WC) and C-reactive protein (CRP). Participants enrolled in the Airwave Health Monitoring Study (2007–2012) with 7-day food records (n = 6898; 61% men) were included for cross-sectional analyses. General linear models evaluated associations across fifths of fibre intakes (total, vegetable, fruit, potato, whole grain and non-whole grain cereal) with BMI, %BF, WC and CRP. Fully adjusted analyses showed inverse linear trends across fifths of total fibre and fibre from fruit with all outcome measures (ptrend < 0.0001). Vegetable fibre intake showed an inverse association with WC (ptrend 0.0156) and CRP (ptrend 0.0005). Fibre from whole grain sources showed an inverse association with BMI (ptrend 0.0002), %BF (ptrend 0.0007) and WC (ptrend 0.0004). Non-whole grain cereal fibre showed an inverse association with BMI (Ptrend 0.0095). Direct associations observed between potato fibre intake and measures of body composition and inflammation were attenuated in fully adjusted analyses controlling for fried potato intake. Higher fibre intake has a beneficial association on body composition, however, there are differential associations based on the food source.
Original languageEnglish
Article number1839
JournalNutrients
Volume11
Issue number8
DOIs
Publication statusPublished - 8 Aug 2019

Keywords

  • Airwave health monitoring study
  • Body composition
  • Body mass index
  • C-reactive protein
  • Dietary fibre
  • Food sources fibre
  • UK population
  • Waist circumference

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