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Title: Validation of accelerometer prediction equations in children with chronic disease
Authors: Stephens, Samantha K.
Takken, Tim
Esliger, Dale W.
Pullenayegum, Eleanor
Beyene, Joseph
Tremblay, Mark S.
Schneiderman, Jane
Biggar, Doug
Longmuir, Pat
McCrindle, Brian
Abad, Audrey
Ignas, Dan
Van Der Net, Janjaap
Feldman, Brian
Keywords: Actical
Physical activity
Issue Date: 2016
Publisher: © Human Kinetics Publishing as accepted for publication
Citation: STEPHENS, S.K. ...et al., 2016. Validation of accelerometer prediction equations in children with chronic disease. Pediatric Exercise Science, 28(1), pp. 117-132.
Abstract: © 2016 Human Kinetics, Inc. The purpose of this study was to assess the criterion validity of existing accelerometer-based energy expenditure (EE) prediction equations among children with chronic conditions, and to develop new prediction equations. Children with congenital heart disease (CHD), cystic fibrosis (CF), dermatomyositis (JDM), juvenile arthritis (JA), inherited muscle disease (IMD), and hemophilia (HE) completed 7 tasks while EE was measured using indirect calorimetry with counts determined by accelerometer. Agreement between predicted EE and measured EE was assessed. Disease-specific equations and cut points were developed and cross-validated. In total, 196 subjects participated. One participant dropped out before testing due to time constraints, while 15 CHD, 32 CF, 31 JDM, 31 JA, 30 IMD, 28 HE, and 29 healthy controls completed the study. Agreement between predicted and measured EE varied across disease group and ranged from (ICC).13-.46. Disease-specific prediction equations exhibited a range of results (ICC.62-.88) (SE 0.45-0.78). In conclusion, poor agreement was demonstrated using current prediction equations in children with chronic conditions. Disease-specific equations and cut points were developed.
Description: This paper was accepted for publication in the journal Pediatric Exercise Science and the definitive published version is available at: http://dx.doi.org/10.1123/pes.2014-0185
Sponsor: This study was funded with a grant from the Canadian Institute of Health Research (# 167391/CIHR)
Version: Accepted for publication
DOI: 10.1123/pes.2014-0185
URI: https://dspace.lboro.ac.uk/2134/20844
Publisher Link: http://dx.doi.org/10.1123/pes.2014-0185
ISSN: 0899-8493
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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