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Do children take th...
Do children take the same number of steps every day?
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Wickel, Eric E (author)
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Eisenmann, Joey C (author)
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Pangrazi, Robert P (author)
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Graser, Susan V (author)
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- Raustorp, Anders, 1958 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för mat, hälsa och miljö,Department of Food, Health and Environment
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Tomson, L M (author)
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Cuddihy, Thomas F (author)
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(creator_code:org_t)
- 2007
- 2007
- English.
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In: American journal of human biology : the official journal of the Human Biology Council. - : Wiley. - 1042-0533. ; 19:4, s. 537-43
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https://doi.org/10.1...
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Abstract
Subject headings
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- The purpose of this study was to examine the day-to-day variability in pedometer-assessed physical activity (steps/day). A total of 1,443 children aged 6-12 years from the United States (195 boys, 254 girls), Sweden (257 boys, 252 girls), and Australia (229 boys, 256 girls) wore a pedometer for 4 consecutive weekdays. Repeated measures analysis of variance was used to examine daily differences in steps/day and the coefficient of variation (CV) was calculated for each individual to describe the day-to-day variability. Overall, mean steps/day were higher among boys (14,698 +/- 3,373 steps/day) than girls (12,086 +/- 2,929 steps/day). Significant differences were found between the 4 monitoring days for the entire sample; however, the absolute mean differences were small (55-958 steps) with an overall effect size of 0.01. This trend was apparent regardless of age, gender, and country. Individual CVs ranged from approximately 2 to 88% and the overall mean CV approximated 22%. An age-related increase in the mean CV was observed between 6- and 12-year-old children. The age x gender x country interaction was not significant (P > 0.05). These findings have implications toward the proper design, analysis, and interpretation of studies regarding physical activity among children. Beyond this aspect, our results lend insight into potential age-related biological mechanisms that may also influence daily levels and patterns of physical activity.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Annan medicin och hälsovetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Other Medical and Health Sciences (hsv//eng)
Keyword
- Activities of Daily Living
- Australia
- Child
- Cohort Studies
- Female
- Humans
- Male
- Monitoring
- Ambulatory
- Reference Values
- Sex Factors
- Sweden
- United States
- Walking
Publication and Content Type
- ref (subject category)
- art (subject category)
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