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. Author manuscript; available in PMC: 2012 Aug 1.

Published in final edited form as: J Psychosom Res. 2011 May 14;71(2):79–85. doi: 10.1016/j.jpsychores.2011.01.008

Table II.

Hierarchical Regression Mode: Physical Functioning

Model	Variable	R	R²	R² Change	F Change	df_1,2	F Change p	β ^*	t	p	sr²^*
1
	Biologics	.11	.01	.01	.29	4,98	.88	.05	.48	.63	.00
	DMARDs							-.10	-.92	.36	.01
	NSAIDs							-.02	-.16	.87	.00
	Other							.05	.50	.62	.00

2
	Disease activity	.33	.11	.10	5.28	2,96	<.01	-.29	-2.97	.00	.08
	(RADAR) DAS-28							-.09	-.84	.40	.01

3
	Personal mastery	.34	.12	.01	.42	2,94	.660	.04	.43	.67	.00
	Social network							-.08	-.84	.40	.01

4
	Active coping	.54	.29	.17	4.20	5,89	<.01	.21	2.06	.04	.03
	Passive coping							-.21	-1.85	.07	.03
	Helplessness							-.19	-1.69	.10	.02
	Internality							.04	.40	.69	.00
	Perceived stress							.15	1.14	.26	.01

^*

β:Standardized regression coefficient

sr²: Unique variance