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Med Sci Sports Exerc. 2013 Jan;45(1):123-9. doi: 10.1249/MSS.0b013e31826a0f3a.

CANPLAY pedometer normative reference data for 21,271 children and 12,956 adolescents.

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  • 1Canadian Fitness and Lifestyle Research Institute, Ottawa, ON, Canada. ccraig@cflri.ca

Abstract

PURPOSE:

The mean expected values of pedometer-determined steps per day for children and adolescents have been derived primarily from isolated studies on small or specific populations. The purpose of this study is to provide sex- and age-specific normative values so that researchers, clinicians/practitioners, other childcare workers, and families can compare children's and adolescents' pedometer-determined data to that of their peers.

METHODS:

Data were collected between 2005 and 2011 on 21,271 children 5-12 yr and 12,956 adolescents 13-19 yr. Participants were recruited by telephone, logged their pedometer-determined steps per day for 7 d, and mailed back their logs. Normative data were provided in three formats: 1) mean steps per day by single-year age by sex; 2) increments of 5 percentile values for each single-year age by sex, smoothed within and across years; and 3) quintiles (in ascending order: lowest, lower than average, average, higher than average, and highest) for four combined age groups (5-7, 8-10, 11-14, and 15-19 yr) stratified by sex.

RESULTS:

Mean steps per day increased from 11,602 steps per day among 5-yr-olds to a sample peak mean value of 12,348 steps per day among 10-yr-olds, and then declined to 9778-10,073 among 15- to 19-yr-olds. Although not significantly different among 19-yr-olds, mean steps per day were higher among boys than girls at every age.

CONCLUSIONS:

CANPLAY data represent the largest and most comprehensive set of sex- and age-specific normative reference data for children's and adolescents' pedometer-determined physical activity to date. A clear assemblage of such values is fundamental for surveillance, screening, comparison purposes, planning strategies, prioritizing efforts and distributing resources, evaluating intervention effects, and tracking change.

PMID:
22843106
[PubMed - indexed for MEDLINE]
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