Effects of illness perception on negative emotions and fatigue in chronic rheumatic diseases: Rumination as a possible mediator

Table 2 Components of illness perception, rumination and negative emotions in patients with chronic rheumatic diseases

	RA	SLE	t	P value
Various components of illness perception
Perceived identity of illness	4.24 ± 2.24	4.40 ± 2.96	-0.220	0.827
Perceived chronicity of illness	17.21 ± 4.25	20.50 ± 4.05	-2.780	0.008
Perceived cyclical nature of illness	12.18 ± 3.25	12.35 ± 3.17	-0.184	0.855
Perceived consequences of illness	17.58 ± 4.14	19.15 ± 4.20	-1.335	0.188
Perceived illness coherence	15.30 ± 3.82	15.30 ± 3.10	0.003	0.998
Rumination	832.52 ± 470.09	1181.25 ± 355.13	-2.856	0.006
Global fatigue index	18.31 ± 9.71	23.02 ± 8.62	-1.781	0.081
Total DASS score	20.61 ± 19.81	32.20 ± 27.35	-1.785	0.080
Depression score	6.48 ± 7.50	8.30 ± 8.32	-0.820	0.416
Anxiety score	5.94 ± 5.93	10.40 ± 9.64	-2.092	0.041
Stress score	8.18 ± 8.51	13.50 ± 10.89	-1.983	0.053

SLE: Systemic lupus erythematosus; RA: Rheumatoid arthritis; DASS: Depression, anxiety and stress scale-21.