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The use of accelerometry in adolescents and its implementation with non-wear time activity diaries in free-living conditions

(2011) JOURNAL OF SPORTS SCIENCES. 29(1). p.103-113
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Abstract
The aim of this study was to evaluate the use of a non-wearing time activity diary (hereafter non-wear activity diary) when using accelerometry in adolescents to provide insight into their physical activity levels. In total, 213 Belgian adolescents (89 boys, 124 girls) were eligible for this study. Adolescents wore an accelerometer for seven consecutive days and kept a non-wear activity diary. On the last day, they completed the International Physical Activity Questionnaire for Adolescents. The differences between the accelerometer data with and without use of the non-wear activity diary were significant for all physical activity intensities according to the Wilcoxon signed rank test. Bland-Altman plots showed that with more time spent in any physical activity intensity, the difference between including and not including the non-wear activity diary increased. The correlation coefficient between the International Physical Activity Questionnaire for Adolescents and the accelerometer data increased when the non-wear activity diary was included. Differences in the percentage of adolescents reaching the physical activity recommendations between the accelerometer data only and the accelerometer with the non-wear activity diary were significant. We conclude that if the non-wear activity diary data are not included, some adolescents could be misclassified as not being physically active according to the physical activity recommendations. It is therefore recommended to use a non-wear activity diary for gaining insight into the physical activity levels of individuals.
Keywords
physical activity, Accelerometry, assessment, activity diary, youth, PHYSICAL-ACTIVITY QUESTIONNAIRE, EUROPEAN CHILDREN, COMPUTER-SCIENCE, ACTIVITY MONITOR, VALIDITY, YOUTH, CALIBRATION, PATTERNS, OVERWEIGHT, BEHAVIOR

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Chicago
Ottevaere, Charlene, Inge Huybrechts, Femke De Meester, Ilse De Bourdeaudhuij, Magdalena Cuenca-Garcia, and Stefaan De Henauw. 2011. “The Use of Accelerometry in Adolescents and Its Implementation with Non-wear Time Activity Diaries in Free-living Conditions.” Journal of Sports Sciences 29 (1): 103–113.
APA
Ottevaere, C., Huybrechts, I., De Meester, F., De Bourdeaudhuij, I., Cuenca-Garcia, M., & De Henauw, S. (2011). The use of accelerometry in adolescents and its implementation with non-wear time activity diaries in free-living conditions. JOURNAL OF SPORTS SCIENCES, 29(1), 103–113.
Vancouver
1.
Ottevaere C, Huybrechts I, De Meester F, De Bourdeaudhuij I, Cuenca-Garcia M, De Henauw S. The use of accelerometry in adolescents and its implementation with non-wear time activity diaries in free-living conditions. JOURNAL OF SPORTS SCIENCES. 2011;29(1):103–13.
MLA
Ottevaere, Charlene, Inge Huybrechts, Femke De Meester, et al. “The Use of Accelerometry in Adolescents and Its Implementation with Non-wear Time Activity Diaries in Free-living Conditions.” JOURNAL OF SPORTS SCIENCES 29.1 (2011): 103–113. Print.
@article{1177509,
  abstract     = {The aim of this study was to evaluate the use of a non-wearing time activity diary (hereafter non-wear activity diary) when using accelerometry in adolescents to provide insight into their physical activity levels. In total, 213 Belgian adolescents (89 boys, 124 girls) were eligible for this study. Adolescents wore an accelerometer for seven consecutive days and kept a non-wear activity diary. On the last day, they completed the International Physical Activity Questionnaire for Adolescents. The differences between the accelerometer data with and without use of the non-wear activity diary were significant for all physical activity intensities according to the Wilcoxon signed rank test. Bland-Altman plots showed that with more time spent in any physical activity intensity, the difference between including and not including the non-wear activity diary increased. The correlation coefficient between the International Physical Activity Questionnaire for Adolescents and the accelerometer data increased when the non-wear activity diary was included. Differences in the percentage of adolescents reaching the physical activity recommendations between the accelerometer data only and the accelerometer with the non-wear activity diary were significant. We conclude that if the non-wear activity diary data are not included, some adolescents could be misclassified as not being physically active according to the physical activity recommendations. It is therefore recommended to use a non-wear activity diary for gaining insight into the physical activity levels of individuals.},
  author       = {Ottevaere, Charlene and Huybrechts, Inge and De Meester, Femke and De Bourdeaudhuij, Ilse and Cuenca-Garcia, Magdalena and De Henauw, Stefaan},
  issn         = {0264-0414},
  journal      = {JOURNAL OF SPORTS SCIENCES},
  keyword      = {physical activity,Accelerometry,assessment,activity diary,youth,PHYSICAL-ACTIVITY QUESTIONNAIRE,EUROPEAN CHILDREN,COMPUTER-SCIENCE,ACTIVITY MONITOR,VALIDITY,YOUTH,CALIBRATION,PATTERNS,OVERWEIGHT,BEHAVIOR},
  language     = {eng},
  number       = {1},
  pages        = {103--113},
  title        = {The use of accelerometry in adolescents and its implementation with non-wear time activity diaries in free-living conditions},
  url          = {http://dx.doi.org/10.1080/02640414.2010.521169},
  volume       = {29},
  year         = {2011},
}

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