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Dietary fibre intake and its association with inflammatory markers in adolescents

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posted on 2023-05-20, 15:43 authored by Olivia SwannOlivia Swann, Monique BreslinMonique Breslin, Michelle KilpatrickMichelle Kilpatrick, O'Sullivan, TA, Mori, TA, Beilin, LJ, Wendy OddyWendy Oddy
A high dietary fibre intake has been associated with improvements in inflammatory conditions in adults. However, little is known on whether associations between dietary fibre and inflammation are evident during adolescence. We examined the relationship between dietary fibre intake measured by food frequency questionnaire and the inflammatory marker high-sensitivity C-reactive protein (hs-CRP) and the adipokines leptin and adiponectin cross-sectionally in 17-year-olds participating in the Raine Study (n=621). In weighted analysis using tobit and linear regression, and after excluding participants with hs-CRP>10mg/L, higher total dietary fibre intake (per 5g/day) was significantly associated with lower leptin (β=-0.13, 95% CI -0.17, -0.09) and adiponectin (β=-0.28, 95% CI -0.49, -0.07), but not hs-CRP, in unadjusted analyses. These associations were no longer significant after adjustment for gender, anthropometry and a number of lifestyle factors. However, higher cereal and grain fibre intake was significantly associated with lower leptin (β=-0.06, 95% CI -0.10, -0.01) in fully adjusted analysis. Our findings suggest that a higher intake of cereal and grain fibre may contribute to lower leptin in adolescents. This may contribute to reductions in low-grade chronic inflammation and improved health outcomes.

History

Publication title

British Journal of Nutrition

Volume

125

Pagination

329-336

ISSN

0007-1145

Department/School

Menzies Institute for Medical Research

Publisher

C A B I Publishing

Place of publication

C/O Publishing Division, Wallingford, England, Oxon, Ox10 8De

Rights statement

© The Authors 2020. Published by Cambridge University Press on behalf of The Nutrition Society

Repository Status

  • Restricted

Socio-economic Objectives

Nutrition

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