Objectively measured physical activity and sedentary time in youth: the International children's accelerometry database (ICAD).

Détails

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Etat: Public
Version: Final published version
ID Serval
serval:BIB_E77B54D619F9
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Objectively measured physical activity and sedentary time in youth: the International children's accelerometry database (ICAD).
Périodique
International Journal of Behavioral Nutrition and Physical Activity
Auteur(s)
Cooper A.R., Goodman A., Page A.S., Sherar L.B., Esliger D.W., van Sluijs E.M., Andersen L.B., Anderssen S., Cardon G., Davey R., Froberg K., Hallal P., Janz K.F., Kordas K., Kreimler S., Pate R.R., Puder J.J., Reilly J.J., Salmon J., Sardinha L.B., Timperio A., Ekelund U.
ISSN
1479-5868 (Electronic)
ISSN-L
1479-5868
Statut éditorial
Publié
Date de publication
2015
Peer-reviewed
Oui
Volume
12
Pages
113
Langue
anglais
Notes
Publication types: Journal Article ; Research Support, Non-U.S. Gov't
Publication Status: epublish
Résumé
BACKGROUND: Physical activity and sedentary behaviour in youth have been reported to vary by sex, age, weight status and country. However, supporting data are often self-reported and/or do not encompass a wide range of ages or geographical locations. This study aimed to describe objectively-measured physical activity and sedentary time patterns in youth.
METHODS: The International Children's Accelerometry Database (ICAD) consists of ActiGraph accelerometer data from 20 studies in ten countries, processed using common data reduction procedures. Analyses were conducted on 27,637 participants (2.8-18.4 years) who provided at least three days of valid accelerometer data. Linear regression was used to examine associations between age, sex, weight status, country and physical activity outcomes.
RESULTS: Boys were less sedentary and more active than girls at all ages. After 5 years of age there was an average cross-sectional decrease of 4.2% in total physical activity with each additional year of age, due mainly to lower levels of light-intensity physical activity and greater time spent sedentary. Physical activity did not differ by weight status in the youngest children, but from age seven onwards, overweight/obese participants were less active than their normal weight counterparts. Physical activity varied between samples from different countries, with a 15-20% difference between the highest and lowest countries at age 9-10 and a 26-28% difference at age 12-13.
CONCLUSIONS: Physical activity differed between samples from different countries, but the associations between demographic characteristics and physical activity were consistently observed. Further research is needed to explore environmental and sociocultural explanations for these differences.
Mots-clé
Accelerometry/statistics & numerical data, Adolescent, Age Distribution, Body Weight, Child, Child, Preschool, Cross-Sectional Studies, Databases, Factual, Family, Female, Humans, Internationality, Male, Motor Activity/physiology, Obesity, Overweight, Sedentary Lifestyle, Self Report, Sex Distribution, Time Factors
Pubmed
Web of science
Open Access
Oui
Création de la notice
13/10/2015 17:53
Dernière modification de la notice
20/08/2019 16:10
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