Validation of self-report measures of physical activity: A case study using the New Zealand psysical activity questionnaire

Mackay, Lisa M., Schofield, Grant M. and Schluter, Philip J. (2007) Validation of self-report measures of physical activity: A case study using the New Zealand psysical activity questionnaire. Research Quarterly for Exercise and Sport, 78 3: 189-196.


Author Mackay, Lisa M.
Schofield, Grant M.
Schluter, Philip J.
Title Validation of self-report measures of physical activity: A case study using the New Zealand psysical activity questionnaire
Journal name Research Quarterly for Exercise and Sport   Check publisher's open access policy
ISSN 0270-1367
Publication date 2007-06-01
Sub-type Article (original research)
Volume 78
Issue 3
Start page 189
End page 196
Total pages 8
Editor S. Silverman
Place of publication United States
Publisher American Allicance for Health, Physical Education, Recreation and Dance
Language eng
Subject C1
389999 Other Behavioural and Cognitive Sciences
321202 Epidemiology
730219 Behaviour and health
Abstract Accurate measurement of physical activity is fundamentally important in epidemiologlcal research of physical activity behavior. A widely used telephone-based physical activity questionnaire was compared with other methods of administration and objective measures (pedometers and accelerometers) among 80 adults (43 women). The telephone questionnaire was comparable to both the self-administered form and international telephone-administered equivalent. Although moderate correlation coefficients with objective measures supported the use of the questionnaire, wide prediction intervals generated using Bland Altman methods highlighted large discrepancies between the measures, particularly in the moderate intensity category. These findings illustrate the limitations of correlation coefficients in validation studies and the inaccuracy of self-report questionnaires in measuring physical activity.
Keyword agreement
measurement
Q-Index Code C1
Q-Index Status Confirmed Code

 
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