From: Validation of automatic wear-time detection algorithms in a free-living setting of wrist-worn and hip-worn ActiGraph GT3X+
Error of non-wear time in min (Mean ± SD)
Day 1
Day 2
Type I Error
Mean ± SD
36.8 ± 69.5
43.8 ± 76.8
Max
348
441
Type II Error
24.9 ± 26.8
30.9 ± 33.3
142
195
Total Error
11.9 ± 70.2
12.9 ± 76.1
Min, Max
−142, 258
−195, 351