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Nutrients. 2019 Aug 8;11(8). pii: E1839. doi: 10.3390/nu11081839.

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.

Author information

1
Section for Nutrition Research, Faculty of Medicine, Imperial College, London W12 0NN, UK. Rachel.gibson13@imperial.ac.uk.
2
Department of Nutritional Sciences, School of Life Course Sciences, King's College London, London SE1 9NH, UK. Rachel.gibson13@imperial.ac.uk.
3
MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College, London W2 1PG, UK. Rachel.gibson13@imperial.ac.uk.
4
Section for Nutrition Research, Faculty of Medicine, Imperial College, London W12 0NN, UK.
5
MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College, London W2 1PG, UK.
6
NIHR Imperial College London Biomedical Research Centre, Exhibition Road, London SW7 2AZ, UK.
7
Dementia Research Institute, Imperial College London, Hammersmith Hospital campus, Du Cane Road, London W12 0NN, UK.
8
Health Data Research UK London, Imperial College London, Exhibition Road, London SW7 2AZ, UK.

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.

KEYWORDS:

Airwave Health Monitoring Study; C-reactive protein; UK population; body composition; body mass index; dietary fibre; food sources fibre; waist circumference

PMID:
31398891
PMCID:
PMC6722677
DOI:
10.3390/nu11081839
[Indexed for MEDLINE]
Free PMC Article

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