Table 1.

Ambulatory assessment specification.

Ambulatory assessment specification			References
Device	Customized device (e.g., Actigraph, Tracmor, IDEEA, etc.)		Troped et al., 2008; De Vries et al., 2011; Ruch et al., 2011; Skotte et al., 2014; Fergus et al., 2015, Bonomi et al., 2009; Godfrey et al., 2011; Gyllensten and Bonomi, 2011; Reiss and Stricker, 2011; Kwak and Lee, 2012; Nguyen et al., 2013; van Hees et al., 2013; Adaskevicius, 2014; Barshan and Yuksek, 2014; el Achkar et al., 2016
	Smartphone		Bisio et al., 2012; Bayat et al., 2014; Shoaib et al., 2014; Spinsante et al., 2016
Sensor type	Accelerometer Accelerometer + Additional sensor (e.g., heart rate, GPS, pressure sensor, imaging sensor, barometer, etc.)	1D	De Vries et al., 2011, Troped et al., 2008; Ruch et al., 2011; Nguyen et al., 2013; Fergus et al., 2015; el Achkar et al., 2016
		2D	Nguyen et al., 2013; el Achkar et al., 2016
		3D	Bonomi et al., 2009; Godfrey et al., 2011; Gyllensten and Bonomi, 2011; Bisio et al., 2012; Bayat et al., 2014; Spinsante et al., 2016, Kwak and Lee, 2012; van Hees et al., 2013; Adaskevicius, 2014; Shoaib et al., 2014; Skotte et al., 2014
	IMU (3D accelerometer + 3D gyroscope + 3D magnetometer) IMU+ Additional sensor		Barshan and Yuksek, 2014, Reiss and Stricker, 2011; el Achkar et al., 2016
Number of sensors	1 Accelerometer 1 Accelerometer + Additional Sensor		Bonomi et al., 2009; Godfrey et al., 2011; Bisio et al., 2012; Bayat et al., 2014; Spinsante et al., 2016, Troped et al., 2008; Kwak and Lee, 2012; Adaskevicius, 2014; Fergus et al., 2015
	>1 Accelerometer >1 Accelerometer + Additional Sensor		De Vries et al., 2011, Reiss and Stricker, 2011; Ruch et al., 2011; Nguyen et al., 2013; van Hees et al., 2013; Barshan and Yuksek, 2014; Shoaib et al., 2014; Skotte et al., 2014; el Achkar et al., 2016
Sampling rate	Counts/steps		Troped et al., 2008; De Vries et al., 2011; Godfrey et al., 2011; Ruch et al., 2011; Nguyen et al., 2013; Fergus et al., 2015; el Achkar et al., 2016
	Medium (20–50 Hz)		Bonomi et al., 2009; Gyllensten and Bonomi, 2011; Adaskevicius, 2014; Barshan and Yuksek, 2014; Shoaib et al., 2014 Skotte et al., 2014 Garcia-Ceja and Brena, 2016 Spinsante et al., 2016
	High (>50 Hz)		Reiss and Stricker, 2011; van Hees et al., 2013; Bayat et al., 2014; Garcia-Ceja and Brena, 2016
Sensor placement	One part of body	C	Makikawa and Murakami, 1996; Troped et al., 2008; Bonomi et al., 2009; Fergus et al., 2015
		U	Godfrey et al., 2011; Kwak and Lee, 2012; Adaskevicius, 2014
		L	Bisio et al., 2012; Spinsante et al., 2016
	Two parts of body	H&L	Bayat et al., 2014
		C&L	De Vries et al., 2011; Nguyen et al., 2013; Skotte et al., 2014; el Achkar et al., 2016
		C&H	Ruch et al., 2011
	Three parts of body	U&C&L	Gyllensten and Bonomi, 2011
		U&L&H	Reiss and Stricker, 2011; Barshan and Yuksek, 2014
		C&L&H	van Hees et al., 2013; Shoaib et al., 2014
	Four parts of body	C&L&H&U	Garcia-Ceja and Brena, 2016

D, Dimension; IMU, inertial measurement unit; Hz, Hertz; C, central part of body; U, upper part of body; L, lower part of body; H, hand.