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Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
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The relationship between dietary inflammatory index (DII) and muscle mass and strength in Chinese children aged 6-9

William Kwame Amakye1, Zheqing Zhang1, Yuanhuan Wei1

  • 1Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China.

Asia Pacific Journal of Clinical Nutrition
|November 29, 2018
PubMed

Insights

A higher dietary inflammatory index (DII) was linked to lower skeletal muscle mass in Chinese boys aged 6-9. No association was found in girls or with muscle strength in either sex.

Area of Science:

  • Pediatric Nutrition
  • Sports Medicine
  • Human Physiology

Background:

  • The Dietary Inflammatory Index (DII®) assesses diet's inflammatory potential.
  • No prior studies have investigated the DII's impact on pediatric muscle mass or strength.

Purpose of the Study:

  • To examine the association between the DII and skeletal muscle mass and strength in Chinese children aged 6-9 years.

Main Methods:

  • 466 children (6-9 years) participated.
  • Skeletal muscle mass (TSM, ASM, ALM) measured via DXA; indices calculated.
  • Hand grip strength assessed; DII scores derived from a food frequency questionnaire.

Main Results:

  • A significant inverse relationship was found between DII and various skeletal muscle mass measures in children.
  • Children in the highest DII quartile had 1.04%–4.36% lower muscle mass compared to the lowest quartile.
  • Inverse associations were significant in boys but not girls; no DII association with hand grip strength.

Conclusions:

  • The DII is inversely associated with skeletal muscle mass in Chinese boys aged 6-9.
  • No significant associations were observed between DII and skeletal muscle mass in girls or hand grip strength in either sex.
Abstract

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