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Cited by 1,451

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Age and gender differences in objectively measured physical activity in youth

TROST, STEWART G., PATE, RUSSELL R., SALLIS, JAMES F., FREEDSON, PATTY S., TAYLOR, WENDELL C., DOWDA, MARSHA, SIRARD, JOHN·2002·Medicine and Science in Sports and Exercise
DOI 10.1097/00005768-200202000-00025
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Abstract

TROST, S. G., R. R. PATE, J. F. SALLIS, P. S. FREEDSON, W. C. TAYLOR, M. DOWDA, and J. SIRARD. Age and gender differences in objectively measured physical activity in youth. Med. Sci. Sports Exerc., Vol. 34, No. 2, pp. 350–355, 2002. Purpose The purpose of this study was to evaluate age and gender differences in objectively measured physical activity (PA) in a population-based sample of students in grades 1–12. Methods Participants (185 male, 190 female) wore a CSA 7164 accelerometer for 7 consecutive days. To examine age-related trends, students were grouped as follows: grades 1–3 (N = 90), grades 4–6 (N = 91), grades 7–9 (N = 96), and grades 10–12 (N = 92). Bouts of PA and minutes spent in moderate-to-vigorous PA (MVPA) and vigorous PA (VPA) were examined. Results Daily MVPA and VPA exhibited a significant inverse relationship with grade level, with the largest differences occurring between grades 1–3 and 4–6. Boys were more active than girls; however, for overall PA, the magnitudes of the gender differences were modest. Participation in continuous 20-min bouts of PA was low to nonexistent. Conclusion Our results support the notion that PA declines rapidly during childhood and adolescence and that accelerometers are feasible alternatives to self-report methods in moderately sized population-level surveillance studies.

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Metadata

Authors
TROST, S. G., PATE, R. R., SALLIS, J. F., FREEDSON, P. S., TAYLOR, W. C., DOWDA, M., & SIRARD, J.
Venue
Medicine and Science in Sports and Exercise
Publisher
Ovid Technologies (Wolters Kluwer Health)
Published
2002-02
Volume
34
Issue
2
Pages
350-355
ISSN
0195-9131 (ISSN-L)
DOI
10.1097/00005768-200202000-00025
OpenAlex
W1583871629
Cited by
1,451
References
0
FWCI
14.70
Type
journal article
Language
en
Open access
closed

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