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. 2007 Mar-Apr;31(2):193-202.
doi: 10.5555/ajhb.2007.31.2.193.

Validation of the WHI brief physical activity questionnaire among women diagnosed with breast cancer

Marilyn Johnson-Kozlow  1 , Cheryl L Rock, Elizabeth A Gilpin, Kathryn A Hollenbach, John P Pierce
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Free article

Validation of the WHI brief physical activity questionnaire among women diagnosed with breast cancer

Marilyn Johnson-Kozlow et al. Am J Health Behav. 2007 Mar-Apr.
Free article

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.

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