Validation of the WHI Brief Physical Activity Questionnaire among Women Diagnosed with Breast Cancer
Authors: Johnson-Kozlow, Marilyn; Rock, Cheryl L.; Gilpin, Elizabeth A.; Hollenbach, Kathryn A.; Pierce, John P.
Source: American Journal of Health Behavior, Volume 31, Number 2, March 2007 , pp. 193-202(10)
Publisher: PNG Publications
Abstract:Objective : To investigate the psychometric properties of the physical activity (PA) measure of the Women's Health Initiative (WHI).
Methods : Women diagnosed with breast cancer and enrolled in the Women's Healthy Eating and Living Study (average age 55 years) wore an accelerometer for 1 week and completed the 7-day Physical Activity Recall (PAR) and brief WHI measure.
Results : Both self-reports correlated 0.73 with the accelerometer and had 100% sensitivity for meeting the current PA guideline, but specificity was significantly higher for the PAR.
Conclusions : The WHI measure had comparable validity, sensitivity, and measurement bias compared to the widely accepted PAR.
Document Type: Research Article
Publication date: March 1, 2007
- The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.
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