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Medicine & Science in Sports & Exercise:
Epidemiology

Validity and reliability in a Flemish population of the WHO-MONICA Optional Study of Physical Activity Questionnaire

ROEYKENS, JOHAN; ROGERS, RALPH; MEEUSEN, ROMAIN; MAGNUS, LUC; BORMS, JAN; DE MEIRLEIR, KENNY

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Abstract

Validity and reliability in a Flemish population of the WHO-MONICA Optional Study of Physical Activity Questionnaire. Med. Sci. Sports Exerc., Vol. 30, No. 7, pp. 1071-1075, 1998.

Purpose: This study assessed the validity and reliability of a self-administered physical activity questionnaire used in the WHO-MONICA project.

Methods: Subjects (N = 167) were physical education and physical therapy alumni. The questionnaire (MOSPA-Q) covers a 1-yr period and measures the average weekly time and energy expenditure spent in one's occupation, transport-related activities, household chores, and leisure time activities. Test-retest reliability was reported as the intra-class correlation between calculated time or energy expenditure in different questionnaire items determined from two MOSPA-Q administrations. Validity was assessed using biometrical and physiological parameters as criterion measures.

Results: Test-retest reliability ranged from 0.45 to 0.92 with the highest correlation coefficients obtained for the leisure time physical activities. The correlation between calculated daily total energy expenditure (TEE, Kcal·d−1) and lean body mass was 0.53 (P < 0.001). The correlation between energy expenditure in leisure time activities (Kcal·wk−1) and V˙O2peak was 0.44.

Conclusion: The MOSPA-Q provides a relatively valid and reliable estimate of physical activity.

© Williams & Wilkins 1998. All Rights Reserved.

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