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Table 6 Distribution of the number of daily non-wear periods in the different non-wear settings, n = 1132 (Initial N = 1296)

From: Accelerometer data reduction in adolescents: effects on sample retention and bias

Non-wear criteria Median Mean Variance Maximum
90 minutes of non-wear 0 0.1 0.11 2
60 minutes of non-wear 0 0.2 0.17 3
30 minutes of non-wear 0 0.4 0.48 6
20 minutes of non-wear 0 0.8 1.00 8
10 minutes of non-wear 2 2.5 5.02 17
  1. Day time defined as the period from 6 am to 10 pm.