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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.