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The IDEFICS validation study on field methods for assessing physical activity and body composition in children: design and data collection

K Bammann, Isabelle Sioen UGent, Inge Huybrechts UGent, JA Casajus, G Vicente-Rodriguez, R Cuthill, K Konstabel, B Tubic, N Wawro, M Rayson, et al. (2011) INTERNATIONAL JOURNAL OF OBESITY. 35. p.S79-S87
abstract
Objective: To describe the design, measurements and fieldwork of the IDEFICS (Identification and prevention of dietary- and lifestyle-induced health effects in children and infants) physical activity and body composition validation study, and to determine the potential and limitations of the data obtained. Design: Multicentre validation study. Subjects: A total of 98 children from four different European countries (age: 4-10 years). Methods: An 8-day measurement protocol was carried out in all children using a collaborative protocol. Reference methods were the doubly labelled water method for physical activity, and a three- and a four-compartment model for body composition. Investigated field methods were accelerometers, a physical activity questionnaire and various anthropometric measurements. Results: For the validation of physical activity field methods, it was possible to gather data from 83 to 89 children, laying the basis for age- and sex-specific results. The validation of body composition field methods is possible in 64-80 children and allows sex-specific analyses but has only limited statistical power in the youngest age group (< 6 years). The amount of activity energy expenditure (AEE) varied between centres, sexes and age groups, with boys and older children having higher estimates of AEE. After normalisation of AEE by body weight, most group-specific differences diminished, except for country-specific differences. Conclusion: The IDEFICS validation study will allow age- and sex-specific investigation of questions pertaining to the validity of several field methods of body composition and physical activity, using established reference methods in four different European countries. From the participant analyses it can be concluded that the compliance for the investigated field methods was higher than that for the reference methods used in this validation study. International Journal of Obesity (2011) 35, S79-S87; doi:10.1038/ijo.2011.38
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ENERGY-EXPENDITURE, DOUBLY LABELED WATER, DENSITY, FAT, ACCELEROMETERS, ADOLESCENTS, HYDRATION, VALIDITY, MODELS, TISSUE, validation study, body composition, physical activity, accelerometry, doubly labelled water
journal title
INTERNATIONAL JOURNAL OF OBESITY
Int. J. Obes.
volume
35
pages
S79 - S87
Web of Science type
Article
Web of Science id
000289515100010
JCR category
NUTRITION & DIETETICS
JCR impact factor
4.691 (2011)
JCR rank
6/71 (2011)
JCR quartile
1 (2011)
ISSN
0307-0565
DOI
10.1038/ijo.2011.38
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1230310
handle
http://hdl.handle.net/1854/LU-1230310
date created
2011-05-23 12:17:44
date last changed
2016-12-19 15:44:49
@article{1230310,
  abstract     = {Objective: To describe the design, measurements and fieldwork of the IDEFICS (Identification and prevention of dietary- and lifestyle-induced health effects in children and infants) physical activity and body composition validation study, and to determine the potential and limitations of the data obtained. Design: Multicentre validation study. Subjects: A total of 98 children from four different European countries (age: 4-10 years). Methods: An 8-day measurement protocol was carried out in all children using a collaborative protocol. Reference methods were the doubly labelled water method for physical activity, and a three- and a four-compartment model for body composition. Investigated field methods were accelerometers, a physical activity questionnaire and various anthropometric measurements. Results: For the validation of physical activity field methods, it was possible to gather data from 83 to 89 children, laying the basis for age- and sex-specific results. The validation of body composition field methods is possible in 64-80 children and allows sex-specific analyses but has only limited statistical power in the youngest age group ({\textlangle} 6 years). The amount of activity energy expenditure (AEE) varied between centres, sexes and age groups, with boys and older children having higher estimates of AEE. After normalisation of AEE by body weight, most group-specific differences diminished, except for country-specific differences. Conclusion: The IDEFICS validation study will allow age- and sex-specific investigation of questions pertaining to the validity of several field methods of body composition and physical activity, using established reference methods in four different European countries. From the participant analyses it can be concluded that the compliance for the investigated field methods was higher than that for the reference methods used in this validation study. International Journal of Obesity (2011) 35, S79-S87; doi:10.1038/ijo.2011.38},
  author       = {Bammann, K and Sioen, Isabelle and Huybrechts, Inge and Casajus, JA and Vicente-Rodriguez, G and Cuthill, R and Konstabel, K and Tubic, B and Wawro, N and Rayson, M and Westerterp, K and Marild, S and Pitsiladis, YP and Reilly, JJ and Moreno, LA and De Henauw, Stefaan},
  issn         = {0307-0565},
  journal      = {INTERNATIONAL JOURNAL OF OBESITY},
  keyword      = {ENERGY-EXPENDITURE,DOUBLY LABELED WATER,DENSITY,FAT,ACCELEROMETERS,ADOLESCENTS,HYDRATION,VALIDITY,MODELS,TISSUE,validation study,body composition,physical activity,accelerometry,doubly labelled water},
  language     = {eng},
  pages        = {S79--S87},
  title        = {The IDEFICS validation study on field methods for assessing physical activity and body composition in children: design and data collection},
  url          = {http://dx.doi.org/10.1038/ijo.2011.38},
  volume       = {35},
  year         = {2011},
}

Chicago
Bammann, K, Isabelle Sioen, Inge Huybrechts, JA Casajus, G Vicente-Rodriguez, R Cuthill, K Konstabel, et al. 2011. “The IDEFICS Validation Study on Field Methods for Assessing Physical Activity and Body Composition in Children: Design and Data Collection.” International Journal of Obesity 35: S79–S87.
APA
Bammann, K, Sioen, I., Huybrechts, I., Casajus, J., Vicente-Rodriguez, G., Cuthill, R., Konstabel, K., et al. (2011). The IDEFICS validation study on field methods for assessing physical activity and body composition in children: design and data collection. INTERNATIONAL JOURNAL OF OBESITY, 35, S79–S87.
Vancouver
1.
Bammann K, Sioen I, Huybrechts I, Casajus J, Vicente-Rodriguez G, Cuthill R, et al. The IDEFICS validation study on field methods for assessing physical activity and body composition in children: design and data collection. INTERNATIONAL JOURNAL OF OBESITY. 2011;35:S79–S87.
MLA
Bammann, K, Isabelle Sioen, Inge Huybrechts, et al. “The IDEFICS Validation Study on Field Methods for Assessing Physical Activity and Body Composition in Children: Design and Data Collection.” INTERNATIONAL JOURNAL OF OBESITY 35 (2011): S79–S87. Print.