Age-Related Change in Physical Activity in Adolescent Girls

Russell R. Pate, June Stevens, Larry S. Webber, Marsha Dowda, David M. Murray, Deborah R. Young, Scott B Going

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

Purpose: To determine the annual rate at which physical activity changes in girls during middle school using both objective and self-report measures of physical activity. Methods: Participants were sixth- and eighth-grade girls from the control schools in the Trial of Activity for Adolescent Girls (TAAG). Random cross-sectional samples initially were drawn from sixth-grade girls (n = 786) and 2 years later from eighth-grade girls (n = 1545). A cohort of 501 girls was in both the sixth- and the eighth-grade samples. The girls wore an accelerometer for 6 days and completed the 3-Day Physical Activity Recall. Data were summarized using 3.0-, 4.6-, and 6.5-metabolic equivalent cutpoints for accelerometry and self-reported physical activity. Analyses were performed using repeated-measures analysis of variance in PROC MIXED. Results: More than 40% of the girls were white, approximately 20% were African American, and 20% were Hispanic. The annual percent decrease in physical activity in the cross-sectional sample was approximately 4% (-1.76 min moderate-to-vigorous physical activity/day), using accelerometer data. The percent decrease in physical activity based on self-report data was higher, 6% to 13%, depending on the physical activity variable. Declines tended to be larger in African American girls, but the ethnic differences were not statistically significant. Conclusions: Based on comparisons of cross-sectional samples of sixth- and eighth-grade girls, objectively measured physical activity declined at a rate of 4% per year.

Original languageEnglish (US)
Pages (from-to)275-282
Number of pages8
JournalJournal of Adolescent Health
Volume44
Issue number3
DOIs
StatePublished - Mar 2009

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Exercise
African Americans
Self Report
Metabolic Equivalent
Accelerometry
Hispanic Americans
Analysis of Variance

Keywords

  • Accelerometry
  • Adolescents
  • Girls
  • Middle school
  • Physical activity

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Psychiatry and Mental health
  • Public Health, Environmental and Occupational Health

Cite this

Pate, R. R., Stevens, J., Webber, L. S., Dowda, M., Murray, D. M., Young, D. R., & Going, S. B. (2009). Age-Related Change in Physical Activity in Adolescent Girls. Journal of Adolescent Health, 44(3), 275-282. https://doi.org/10.1016/j.jadohealth.2008.07.003

Age-Related Change in Physical Activity in Adolescent Girls. / Pate, Russell R.; Stevens, June; Webber, Larry S.; Dowda, Marsha; Murray, David M.; Young, Deborah R.; Going, Scott B.

In: Journal of Adolescent Health, Vol. 44, No. 3, 03.2009, p. 275-282.

Research output: Contribution to journalArticle

Pate, RR, Stevens, J, Webber, LS, Dowda, M, Murray, DM, Young, DR & Going, SB 2009, 'Age-Related Change in Physical Activity in Adolescent Girls', Journal of Adolescent Health, vol. 44, no. 3, pp. 275-282. https://doi.org/10.1016/j.jadohealth.2008.07.003
Pate RR, Stevens J, Webber LS, Dowda M, Murray DM, Young DR et al. Age-Related Change in Physical Activity in Adolescent Girls. Journal of Adolescent Health. 2009 Mar;44(3):275-282. https://doi.org/10.1016/j.jadohealth.2008.07.003
Pate, Russell R. ; Stevens, June ; Webber, Larry S. ; Dowda, Marsha ; Murray, David M. ; Young, Deborah R. ; Going, Scott B. / Age-Related Change in Physical Activity in Adolescent Girls. In: Journal of Adolescent Health. 2009 ; Vol. 44, No. 3. pp. 275-282.
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