. 2021 Apr 7;9:618962. doi: 10.3389/fpubh.2021.618962

Table 2.

Measurement parameter settings list of GT3X-BT.

No.	Parameter content	Setting
1	Test instrument	ActiGraph GT3X-BT
2	Sampling interval^a	15s
3	Definition of not wearing	Choi algorithm (2011)
4	Minimum time of wearing per day	≧1,000 min
6	Minimum days of wearing	At least 4 days, including 3 weekdays and 1 weekend
7	Different values of	SB	0–467
	intensity (Counts)^a	LPA	468–2,207
		MPA	2,208–3,991
		VPA	3,992及以上
8	Sleep time algorithm	Tudor-Locke algorithm (2014)

SB means sedentary behavior; LPA means light physical activity; MPA means moderate physical activity; VPA means vigorous physical activity;

(26).