Validity of ActiGraph 2-regression model, Matthews cut-points, and NHANES cut-points for assessing free-living physical activity.

@article{Crouter2013ValidityOA,
  title={Validity of ActiGraph 2-regression model, Matthews cut-points, and NHANES cut-points for assessing free-living physical activity.},
  author={Scott E. Crouter and Diane M DellaValle and Jere D Haas and Edward A Frongillo and David Bassett},
  journal={Journal of physical activity & health},
  year={2013},
  volume={10 4},
  pages={
          504-14
        }
}
BACKGROUND The purpose of this study was to compare the 2006 and 2010 Crouter algorithms for the ActiGraph accelerometer and the NHANES and Matthews cut-points, to indirect calorimetry during a 6-hr free-living measurement period. METHODS Twenty-nine participants (mean ± SD; age, 38 ± 11.7 yrs; BMI, 25.0 ± 4.6 kg·m-2) were monitored for 6 hours while at work or during their leisure time. Physical activity (PA) data were collected using an ActiGraph GT1M and energy expenditure (METs) was… CONTINUE READING

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