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Published in: BMC Pediatrics 1/2021

Open Access 01-12-2021 | Obesity | Research

Cortisol concentration affects fat and muscle mass among Polish children aged 6–13 years

Authors: Paulina Pruszkowska-Przybylska, Aneta Sitek, Iwona Rosset, Marta Sobalska-Kwapis, Marcin Słomka, Dominik Strapagiel, Elżbieta Żądzińska, Niels Morling

Published in: BMC Pediatrics | Issue 1/2021

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Abstract

Background

Cortisol is a steroid hormone acting as a stress hormone, which is crucial in regulating homeostasis. Previous studies have linked cortisol concentration to body mass and body composition.

Methods

The investigations were carried out in 2016–2017. A total of 176 children aged 6–13 years in primary schools in central Poland were investigated. Three types of measurements were performed: anthropometric (body weight and height, waist and hip circumferences), body composition (fat mass FM (%), muscle mass – MM (%), body cellular mass - BCM (%), total body water - TBW (%)), and cortisol concentration using saliva of the investigated individuals. Information about standard of living, type of feeding after birth, parental education and maternal trauma during pregnancy was obtained with questionnaires.

Results

The results of regression models after removing the environmental factors (parental education, standard of living, type of feeding after birth, and maternal trauma during pregnancy) indicate a statistically significant association between the cortisol concentration and fat mass and muscle mass. The cortisol concentration was negatively associated with FM (%) (Beta=-0.171; p = 0.026), explaining 2.32 % of the fat mass variability and positively associated with MM (%) (Beta = 0.192; p = 0.012) explaining 3.09 % of the muscle mass variability.

Conclusions

Cortisol concentration affects fat and muscle mass among Polish children.

Trial registration

The Ethical Commission at the University of Lodz (nr 19/KBBN-UŁ/II/2016).
Appendix
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Metadata
Title
Cortisol concentration affects fat and muscle mass among Polish children aged 6–13 years
Authors
Paulina Pruszkowska-Przybylska
Aneta Sitek
Iwona Rosset
Marta Sobalska-Kwapis
Marcin Słomka
Dominik Strapagiel
Elżbieta Żądzińska
Niels Morling
Publication date
01-12-2021
Publisher
BioMed Central
Keywords
Obesity
Obesity
Published in
BMC Pediatrics / Issue 1/2021
Electronic ISSN: 1471-2431
DOI
https://doi.org/10.1186/s12887-021-02837-3

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