Table 3. Mean (Standard Error) Mean Amplitude Deviation (MAD (measured in milligravity units)) values for each activity stratified by accelerometer brand and monitor placement.

	ActiGraph GT3X+ (Hip)	GENEActiv (Hip)
Activity	Mean (Standard Error) MAD †	Mean (Standard Error) MAD †	p-value ‡
Sedentary Behaviours	1.2 (0.1)	9.1 (0.8)	<0.001
Standing Still	1.8 (0.3)	7.3 (0.8)	<0.001
Washing Pots	6.9 (0.8)	13.9 (3.7)	0.071
Dusting	29.3 (2.3)	32.8 (2.7)	0.318
Sweeping Floor	37.4 (3.1)	44.2 (4.5)	0.224
Self-Paced Free-Living Walk	119.3 (6.3)	127.3 (6.1)	0.362
	ActiGraph GT3X+ (Wrist)	GENEActiv (Wrist)
Activity	Mean (Standard Error) MAD †	Mean (Standard Error) MAD †	p-value ‡
Sedentary Behaviours	6.7 (0.5)	12.7 (0.4)	<0.001
Standing Still	7.5 (1.1)	11.3 (1.0)	0.012
Washing Pots	100.2 (8.3)	102.6 (9.8)	0.855
Dusting	84.2 (6.6)	86.2 (6.5)	0.826
Sweeping Floor	174.3 (10.4)	173.0 (10.1)	0.928
Self-Paced Free-Living Walk	151.5 (6.2)	151.6 (6.3)	0.998

Sedentary behaviours = any form of lying plus any form of sitting (activities 1 to 11)

^† Mean Amplitude Deviation (MAD) measured in milligravity units

^‡ Unpaired t-tests