Public transfer income	Pre-period			Year 1 (0–12 months)			Year 2 (12–24 months)
	TKR +non-surgical	Non-surgical	P value	TKR +non-surgical	Non-surgical	P value	TKR +non-surgical	Non-surgical	P value
	Weeks	Weeks		Weeks	Weeks		Weeks	Weeks
Observations (N)	19	15		19	15		19	15
Total public transfer income	12.9	9.2	1.000	13.2	9.1	0.980	11.6	6.8	0.910
Unemployment	5.2	1.0	0.470	3.5	0.5	0.570	5.7	0.2	0.080
Sick pay	3.1	0.0	0.140	5.3	0.7	0.200	1.7	0.8	1.000
Disability pension	0.9	1.0	1.000	1.0	1.0	1.000	1.0	1.2	1.000
Early retirement	3.8	7.1	0.930	3.4	6.9	0.950	3.2	4.7	1.000

Significant differences (p<0.05) are indicated with an asterisk.

TKR, total knee replacement.