Table 3.

Association of demographic and clinical variables to change in movement pain (adjusted for 6 week movement pain) and to change in dysfunction (adjusted for 6 week dysfunction).

	Pain	Change	Dysfunction	Change
Variable	Correlation (r) or ANCOVA (F)	p value	Correlation (r) or ANCOVA (F)	p value
Sex	F = 1.97	0.16	F = 32.64*	0.01
Age	r = 0.06	0.46	r = 0.07	0.34
6 weeks post-TKA
Opioid dose hour prior to testing	r = 0.08	0.34	r = 0.14	0.07
Non-Opioid dose hour prior to testing	r = −0.10	0.21	r = 0.07	0.36
Range of motion pain	—	—	r = −0.12	0.09
Depression – positive screen	F = 0.28	0.60	F = 19.48*	0.00
Anxiety	r = −0.20*	0.02	r = −0.22*	0.00
Pain Catastrophizing	r = −0.24*	0.01	r = −0.31*	0.00
Dysfunction (KOOS ADLs)	r = −0.16	0.06	—	—
PPT surgical knee	r = 0.02	0.78	—	—
PPT contralateral tibia	r = −0.09	0.30	—	—
HPT surgical knee	r = −0.04	0.65	—	—
HPT contralateral tibia	r = 0.01	0.86	—	—
6 months post-TKA
Opioid mgs per day	r = −0.06	0.45	r = −0.10	0.22
Non-opioid mgs per day	r = −0.04	0.64	r = −0.06	0.44

^*p < .05