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. 2019 Dec 29;9(12):e033832. doi: 10.1136/bmjopen-2019-033832

Table 5.

Technology summary for physical activity studies

	Technology				Sampling rate				Body location							Sensor metric
	1-axis accelerometer(s)	3-axis accelerometer(s)	Not reported/unclear	Total no of sensors	10 Hz	30–32 Hz	100 Hz	Not reported/unclear	Sternum	Arm/wrist	Hip/waist	Thigh	Anterior tibia/lower leg	Foot/ankle	Not reported	Activity intensity/time	Active/sedentary time	Counts/METS/energy	Steps/gait cycles	Sit-to-stand transfers	Walking bouts
Agarwal et al⁴⁵	✓			1				✓			✓					✓
Bolszak et al⁴⁶		✓		1			✓				✓					✓		✓
Brandes et al⁵⁸	✓			4		✓					✓	✓				✓			✓
Christiansen et al⁴⁷		✓		1				✓			✓					✓			✓
Cooper et al³⁹	✓			1	✓							✓							✓
Daugaard et al³⁵		✓		1			✓					✓							✓	✓	✓
de Groot et al⁴¹			✓	3				✓	✓			✓					✓			✓
Fenten et al⁴⁸			✓	1				✓				✓					✓
Frimpong et al⁴⁹		✓		1		✓					✓					✓	✓	✓	✓
Harding et al⁴²	✓			1				✓			✓						✓	✓
Hayashi et al⁴³	✓			1				✓			✓								✓
Hayes et al⁵⁹	✓			5				✓	✓				✓	✓			✓	✓
Kahn and Schwarzkopf³⁶	✓			1				✓			✓					✓		✓
Kahn and Schwarzkopf³⁷	✓			1				✓			✓					✓		✓
Losina et al⁵⁰		✓		1				✓			✓					✓			✓
Luna et al⁵¹			✓	1				✓		✓								✓
Lützner et al⁴⁰	✓			1				✓					✓			✓	✓		✓
Lützner et al⁵²	✓			1				✓					✓			✓	✓		✓
Pellegrini et al⁵³		✓		1				✓			✓					✓	✓	✓
Schotanus et al⁵⁴		✓		1				✓					✓				✓	✓	✓	✓	✓
Taniguchi et al⁵⁵		✓		1				✓							✓				✓
Tsuji et al⁵⁶		✓		1	✓						✓							✓
Twiggs et al⁵⁷		✓		1				✓		✓									✓
Vissers et al⁶⁰	✓			4				✓	✓			✓					✓
Vissers et al⁴⁴	✓			4				✓	✓			✓					✓
Webber et al³⁸		✓		1			✓				✓					✓	✓		✓