期刊
MEDICINE AND SCIENCE IN SPORTS AND EXERCISE
卷 45, 期 1, 页码 123-129出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1249/MSS.0b013e31826a0f3a
关键词
WALKING; PHYSICAL ACTIVITY; EXERCISE; ASSESSMENT; MEASUREMENT
资金
- Public Health Agency of Canada
- Interprovincial Sport and Recreation Council
CRAIG, C. L., C. CAMERON, and C. TUDOR-LOCKE. CANPLAY Pedometer Normative Reference Data for 21,271 Children and 12,956 Adolescents. Med. Sci. Sports Exerc., Vol. 45, No. 1, pp. 123-129, 2013. 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 (57, 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.
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