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Updated: Apr 21, 2026

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
Published on: March 7, 2019
Mengyu Fan1, Jun Lyu1, Pingping He1
1Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China.
This study introduces standard scoring methods for the International Physical Activity Questionnaire (IPAQ) short and long forms. It details data cleaning, calculation, and grouping rules for accurate physical activity assessment.
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