Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2007) 06, 505 - 518

Research article
A Physical Activity Questionnaire: Reproducibility and Validity
Nicolas Barbosa,1,3 , Carlos E. Sanchez1,2, Jose A. Vera1, Wilson Perez1, Jean-Christophe Thalabard4, Michel Rieu3
Author Information
1 Sport Medicine Program, Medicine Faculty, El Bosque University Bogotá, Colombia
2 Epidemiology Program, Medicine Faculty, El Bosque University Bogotá, Colombia
3 Physiology Laboratory of Adaptations, Medicine Faculty, Cochin Port Royal, MAP5 UMR CNRS 8145, Paris, France
4 Paris Descartes University, Paris, France

Nicolas Barbosa
✉ Sports Medicine Program, School of Medicine, El Bosque University Carrera 7 B, Bis, No. 132-11 Bogotá, Colombia, S.A.
Email: nibarbosa@hotmail.com
Publish Date
Received: 19-02-2007
Accepted: 19-09-2007
Published (online): 01-12-2007
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ABSTRACT

This study evaluates the Quantification de L’Activite Physique en Altitude chez les Enfants (QAPACE) supervised self-administered questionnaire reproducibility and validity on the estimation of the mean daily energy expenditure (DEE) on Bogotá’s schoolchildren. The comprehension was assessed on 324 students, whereas the reproducibility was studied on a different random sample of 162 who were exposed twice to it. Reproducibility was assessed using both the Bland-Altman plot and the intra-class correlation coefficient (ICC). The validity was studied in a sample of 18 girls and 18 boys randomly selected, which completed the test - re-test study. The DEE derived from the questionnaire was compared with the laboratory measurement results of the peak oxygen uptake (Peak VO2) from ergo-spirometry and Leger Test. The reproducibility ICC was 0.96 (95% C.I. 0.95-0.97); by age categories 8-10, 0.94 (0.89-0. 97); 11-13, 0.98 (0.96- 0.99); 14-16, 0.95 (0.91-0.98). The ICC between mean TEE as estimated by the questionnaire and the direct and indirect Peak VO2 was 0.76 (0.66) (p<0.01); by age categories, 8-10, 11-13, and 14-16 were 0.89 (0.87), 0.76 (0.78) and 0.88 (0.80) respectively. The QAPACE questionnaire is reproducible and valid for estimating PA and showed a high correlation with the Peak VO2 uptake.

Key words: Physical activity, questionnaire, validity, children, adolescents


           Key Points
  • The presence of a supervisor, the limited size of the group with the possibility of answering to their questions could explain the high reproducibility for this questionnaire.
  • No study in the literature had directly addressed the issue of estimating a yearly average PA including school and vacation period.
  • A two step procedure, in the population of schoolchildren of Bogotá, gives confidence in the use of the QAPACE questionnaire in a large epidemiological survey in related populations.
 
 
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