Table 4.

Population and methods summary for physical activity studies

	Population						Session length			Wear time			Time points
	TKA/UKA	TKA/UKA % female	End-stage OA	OA (% female)	Healthy control	Control % female	<7 days	=7 days	>7 days	Waking hours only	24 hours/day	Not reported	Pre-op	0–6 weeks post-op	7–12 weeks post-op	6 months post-op	1 year post-op	>1 year post-op	Unspecified post-op
Agarwal et al45	32	47						✓		✓			✓						✓
Bolszak et al46	50	50						✓		✓
Brandes et al58	53	64					✓	✓					✓		✓	✓	✓
Christiansen et al47	43	53						✓		✓			✓	✓		✓	✓
Cooper et al39	62	58			62	42		✓			✓		✓	✓		✓
Daugaard et al35	52	50	54	54	171	44	✓			✓								✓
de Groot et al41	44	55					✓						✓		✓	✓
Fenten et al48	80	54					✓			✓				✓
Frimpong et al49	45	93						✓			✓		✓	✓		✓
Harding et al42	44	64						✓		✓			✓			✓
Hayashi et al43	40	85							✓	✓				✓
Hayes et al59	52	52	13	54			✓			✓			✓	✓	✓	✓	✓
Kahn and Schwarzkopf36	60	50	63	49				✓		✓									✓
Kahn and Schwarzkopf37	60	50	458	51				✓		✓									✓
Losina et al50	150	57						✓				✓	✓			✓
Luna et al51	41	59							✓		✓		✓	✓
Lützner et al40	97	46			39	59	✓				✓		✓				✓
Lützner et al52	221	57					✓				✓		✓				✓
Pellegrini et al53	16	69						✓		✓			✓		✓	✓
Schotanus et al54	20	35					✓			✓			✓	✓
Taniguchi et al55	81	90							✓	✓				✓	✓	✓
Tsuji et al56	20	70							✓		✓		✓	✓
Twiggs et al57	91	51						✓			✓		✓	✓
Vissers et al60	44	55					✓				✓		✓			✓
Vissers et al44	14						✓						✓			✓		✓
Webber et al38	38	58	32					✓		✓								✓

OA, osteoarthritis; TKA, total knee arthroplasty; UKA, unicompartmental knee arthroplasty.