Objective assessment of levels and patterns of physical activity in preschool children.

Abstract:

BACKGROUND:The aim of this study was to examine in detail levels and patterns of physical activity in preschool children and the effects of gender and BMI on this activity. METHODS:Two hundred and fifty-three children aged 5 y participating in the Copenhagen Prospective Studies on Asthma in Childhood wore an accelerometer day and night over a 4-wk period. The main outcome measure was level of physical activity using the raw data. A secondary measure was time spent in moderate to vigorous physical activity (MVPA). A Fourier series analysis was applied to study in detail patterns over time. RESULTS:Activity profiles throughout the year were unique for each sex, with boys being overall more active than girls except for winter months. Preschool children also showed distinct patterns of physical activity during weekdays as compared with weekends and were most active during weekdays. Preschool children in the highest tertile of BMI had a flat yearly activity profile and tended to be less active as compared with those in the lowest tertile. CONCLUSION:Preschool children showed significant gender differences in physical activity, with distinct patterns throughout the year as well as between weekdays and weekends. A high BMI tended to be associated with lower levels of physical activity.

journal_name

Pediatr Res

journal_title

Pediatric research

authors

Brasholt M,Chawes B,Kreiner-Møller E,Vahlkvist S,Sinding M,Bisgaard H

doi

10.1038/pr.2013.99

subject

Has Abstract

pub_date

2013-09-01 00:00:00

pages

333-8

issue

3

eissn

0031-3998

issn

1530-0447

pii

pr201399

journal_volume

74

pub_type

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