Appendix Table 3.

Difficulty with different physical activities

How much difficulty do you have with…	Overall (n=636)
	Extreme		A lot		Moderate		A little		None		Does not apply		Missing
	n	%	n	%	n	%	n	%	n	%	n	%	n	%
Squatting	257	40.4%	141	22.2%	87	13.7%	34	5.3%	10	1.6%	51	8.0%	56	8.8%
Standing	27	4.2%	113	17.8%	177	27.8%	166	26.1%	94	14.8%	4	0.6%	55	8.6%
Lifting	55	8.6%	104	16.4%	136	21.4%	146	23.0%	79	12.4%	54	8.5%	62	9.7%
Walking	60	9.4%	154	24.2%	205	32.2%	124	19.5%	33	5.2%	4	0.6%	56	8.8%
Sitting	17	2.7%	48	7.5%	127	20.0%	138	21.7%	245	38.5%	7	1.1%	54	8.5%
How much difficulty do you have with…	Total Hip Arthroplasty (n=325)
	Extreme		A lot		Moderate		A little		None		Does not apply		Missing
	n	%	n	%	n	%	n	%	n	%	n	%	n	%
Squatting	122	37.5%	71	21.8%	53	16.3%	18	5.5%	3	0.9%	29	8.9%	29	8.9%
Standing	12	3.7%	55	16.9%	99	30.5%	75	23.1%	53	16.3%	2	0.6%	29	8.9%
Lifting	38	11.7%	65	20.0%	65	20.0%	61	18.8%	34	10.5%	31	9.5%	31	9.5%
Walking	33	10.2%	88	27.1%	111	34.2%	53	16.3%	10	3.1%	2	0.6%	28	8.6%
Sitting	13	4.0%	32	9.8%	84	25.8%	74	22.8%	90	27.7%	4	1.2%	28	8.6%
How much difficulty do you have with…	Total Knee Arthroplasty (n=311)
	Extreme		A lot		Moderate		A little		None		Does not apply		Missing
	n	%	n	%	n	%	n	%	n	%	n	%	n	%
Squatting	135	41.5%	70	21.5%	34	10.5%	16	4.9%	7	2.2%	22	6.8%	27	8.3%
Standing	15	4.6%	58	17.8%	78	24.0%	91	28.0%	41	12.6%	2	0.6%	26	8.0%
Lifting	17	5.2%	39	12.0%	71	21.8%	85	26.2%	45	13.8%	23	7.1%	31	9.5%
Walking	27	8.3%	66	20.3%	94	28.9%	71	21.8%	23	7.1%	2	0.6%	28	8.6%
Sitting	4	1.2%	16	4.9%	43	13.2%	64	19.7%	155	47.7%	3	0.9%	26	8.0%