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. Author manuscript; available in PMC: 2009 Aug 31.

Published in final edited form as: Pain. 2008 Mar 4;138(2):354–361. doi: 10.1016/j.pain.2008.01.008

Table 1.

Scores on Key Variables for Participants with Osteoarthritis and Rheumatoid Arthritis

	Osteoarthritis		Rheumatoid Arthritis
Variable	M	SD	M	SD	t	p
Baseline Variables
Anxiety	2.49	0.84	2.36	0.79	1.109	.269
Depression	2.20	0.86	2.07	0.85	0.942	.348
Functional Disability	2.23	0.53	2.49	0.55	−3.166	.002
Prospective Variables^a
Arthritis Pain	45.68	23.09	45.32	22.10	0.101	.920
Interpersonal Stress	1.24	1.24	1.03	1.01	4.030	.000
Negative Affect	1.59	0.38	1.55	0.45	0.756	.451
Positive Affect	3.15	0.64	3.06	0.67	0.906	.366

Note. df = 168.

^a

The overall mean for each of the within subjects variables was computed.