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Validation of the WHI Brief Physical Activity Questionnaire among Women Diagnosed with Breast Cancer

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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.
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Keywords: epidemiological measurements; exercise; psycho-metrics; questionnaires; sensitivity and specificity

Document Type: Research Article

Publication date: March 1, 2007

More about this publication?
  • 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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