Table 3.

Spearman correlation amongst baseline worst pain and functional item scores

	Worst Pain	General Activity	Mood	Walking Ability	Normal Work	Relation with Others	Sleep	Enjoyment of life
Worst pain	1
General Activity	0.46	1
Mood	0.35	0.59	1
Walking Ability	0.32	0.59	0.45	1
Normal Work	0.37	0.69	0.50	0.62	1
Relations with Others	0.28	0.41	0.62	0.36	0.43	1
Sleep	0.32	0.39	0.46	0.28	0.37	0.42	1
Enjoyment of Life	0.35	0.64	0.62	0.51	0.64	0.54	0.49	1

*P-value is <0.0001 between each item