Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children

Reduced heart rate variability (HRV) is associated with overweight and obesity in adults. However, little is known about this relationship in early childhood. We investigated the relationship between resting vagally-mediated HRV and body mass index (BMI) in Australian preschool children. Children we...

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Autores principales:	Kathryn E. Speer, Julian Koenig, Rohan M. Telford, Lisa S. Olive, Jocelyn K. Mara, Stuart Semple, Nenad Naumovski, Richard D. Telford, Andrew J. McKune
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	‘Heart rate variability’ or ‘HRV’ ‘Vagal activity’ ‘Body mass index’ or ‘BMI’ Children ‘Physical activity’ Medicine R
Acceso en línea:	https://doaj.org/article/d8ee70dfd9fa498d9288159b12908db8
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spelling	oai:doaj.org-article:d8ee70dfd9fa498d9288159b12908db82021-11-22T04:24:16ZRelationship between heart rate variability and body mass index: A cross-sectional study of preschool children2211-335510.1016/j.pmedr.2021.101638https://doaj.org/article/d8ee70dfd9fa498d9288159b12908db82021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2211335521003296https://doaj.org/toc/2211-3355Reduced heart rate variability (HRV) is associated with overweight and obesity in adults. However, little is known about this relationship in early childhood. We investigated the relationship between resting vagally-mediated HRV and body mass index (BMI) in Australian preschool children. Children were recruited from 13 non-government early learning centres located in Queensland and New South Wales, Australia. From this population-based sample, data from 146 healthy children (58 females) between 3 and 5 years of age (mean age 4.35 ± 0.44 years) were analysed. BMI was calculated from child body weight and height. Physical activity was recorded using an Actigraph wGT3x accelerometer worn at the waist of participants over 3 consecutive days. A Polar H10 chest strap measured seated, resting RR intervals for the calculation of HRV with the root mean square of successive differences (RMSSD) reflecting vagally-mediated activity. The relationship between HRV and BMI was analysed using a linear mixed model adjusted for age, sex and physical activity. Analysis revealed that RMSSD (ln) demonstrated a significant inverse relationship with BMI (β = -0.06; 95% CI = -0.12 – −0.01; p = 0.032), and the model accounted for 23% of the variance in RMSSD (ln). Notably, a one unit increase in BMI resulted in a reduction in RMSDD (ln) of 0.06. This investigation demonstrated evidence for a significant inverse linear relationship between vagally-mediated HRV and BMI in 3 – 5-year-old Australian children, similar to that of adults. Furthermore, this relationship was independent of age, sex and physical activity levels. Results may indicate that the cardiometabolic health of preschool children is, in part, influenced by the relationship between vagally-mediated HRV and weight status.Kathryn E. SpeerJulian KoenigRohan M. TelfordLisa S. OliveJocelyn K. MaraStuart SempleNenad NaumovskiRichard D. TelfordAndrew J. McKuneElsevierarticle‘Heart rate variability’ or ‘HRV’‘Vagal activity’‘Body mass index’ or ‘BMI’Children‘Physical activity’MedicineRENPreventive Medicine Reports, Vol 24, Iss , Pp 101638- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	‘Heart rate variability’ or ‘HRV’ ‘Vagal activity’ ‘Body mass index’ or ‘BMI’ Children ‘Physical activity’ Medicine R
spellingShingle	‘Heart rate variability’ or ‘HRV’ ‘Vagal activity’ ‘Body mass index’ or ‘BMI’ Children ‘Physical activity’ Medicine R Kathryn E. Speer Julian Koenig Rohan M. Telford Lisa S. Olive Jocelyn K. Mara Stuart Semple Nenad Naumovski Richard D. Telford Andrew J. McKune Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children
description	Reduced heart rate variability (HRV) is associated with overweight and obesity in adults. However, little is known about this relationship in early childhood. We investigated the relationship between resting vagally-mediated HRV and body mass index (BMI) in Australian preschool children. Children were recruited from 13 non-government early learning centres located in Queensland and New South Wales, Australia. From this population-based sample, data from 146 healthy children (58 females) between 3 and 5 years of age (mean age 4.35 ± 0.44 years) were analysed. BMI was calculated from child body weight and height. Physical activity was recorded using an Actigraph wGT3x accelerometer worn at the waist of participants over 3 consecutive days. A Polar H10 chest strap measured seated, resting RR intervals for the calculation of HRV with the root mean square of successive differences (RMSSD) reflecting vagally-mediated activity. The relationship between HRV and BMI was analysed using a linear mixed model adjusted for age, sex and physical activity. Analysis revealed that RMSSD (ln) demonstrated a significant inverse relationship with BMI (β = -0.06; 95% CI = -0.12 – −0.01; p = 0.032), and the model accounted for 23% of the variance in RMSSD (ln). Notably, a one unit increase in BMI resulted in a reduction in RMSDD (ln) of 0.06. This investigation demonstrated evidence for a significant inverse linear relationship between vagally-mediated HRV and BMI in 3 – 5-year-old Australian children, similar to that of adults. Furthermore, this relationship was independent of age, sex and physical activity levels. Results may indicate that the cardiometabolic health of preschool children is, in part, influenced by the relationship between vagally-mediated HRV and weight status.
format	article
author	Kathryn E. Speer Julian Koenig Rohan M. Telford Lisa S. Olive Jocelyn K. Mara Stuart Semple Nenad Naumovski Richard D. Telford Andrew J. McKune
author_facet	Kathryn E. Speer Julian Koenig Rohan M. Telford Lisa S. Olive Jocelyn K. Mara Stuart Semple Nenad Naumovski Richard D. Telford Andrew J. McKune
author_sort	Kathryn E. Speer
title	Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children
title_short	Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children
title_full	Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children
title_fullStr	Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children
title_full_unstemmed	Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children
title_sort	relationship between heart rate variability and body mass index: a cross-sectional study of preschool children
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/d8ee70dfd9fa498d9288159b12908db8
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_version_	1718418251223924736

Relationship between heart rate variability and body mass index: A cross-sectional study of preschool children

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