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Table 2 Comparisons between mean daily activity monitor data from the Actigraph and Actical, with- and without conversion by a regression equation, expressed as raw and log-transformed data (n = 56, total of 600 observation days).

From: Comparison of two different physical activity monitors

 

Actigraph

Actical

 

Measured

Predicted

CV

Measured

Predicted

CV

 

counts·min-1·day-1

%

counts·min-1·day-1

%

Raw

216.2

216.5

11.7

188.0

187.0

12.2

Log-transformed

5.27

5.26

2.2

5.11

5.10

2.4

  1. Raw = raw activity monitor data.
  2. Log-transformed = activity monitor data after log-transformation.
  3. Measured = measured PA data.
  4. Predicted = prediction of PA based on the conversion of one brand to the other using a conversion equation.
  5. CV = coefficient of variation of the difference between measured PA ("Measured ") and that predicted ("Predicted") by conversion of one brand to the other.
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