Predicting Objective Physical Activity from Self-Report Surveys: A Model Validation Study Using Estimated Generalized Least-Squares Regression

Nicholas Beyler, Wayne Fuller, Sarah Nusser and Gregory Welk

Mathematica Policy Research Reports from Mathematica Policy Research

Abstract: Physical activity measurements derived from self-report surveys are prone to measurement errors. Monitoring devices like accelerometers offer more objective measurements of physical activity, but are impractical for use in large-scale surveys.

Keywords: estimated generalized least squares; NHANES; physical activity; accelerometry; validation study (search for similar items in EconPapers)
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