Validation of the WHI Brief Physical Activity Questionnaire among Women Diagnosed with Breast Cancer
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: 2007-03-01
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.
The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.
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