Pain Mystery Score Beliefs: A Comparison of Fibromyalgia and Rheumatoid Arthritis

Table 1

Patient characteristics according to diagnostic group.

	Entire sample	Rheumatoid arthritis	Fibromyalgia
	()	()	()
	Mean (std dev.) or percent
Sex (% female)	72.2	54.7	90.3
Age (years)	48.9 (12.8)	53.7 (12.9)	43.9 (10.7)
Pain Visual Analogue Scale (out of 10)	5.8 (2.7)	4.3 (2.7)	7.3 (1.5)
Injustice Experiences Questionnaire total	17.9 (10.3)	14.4 (9.8)	21.6 (9.7)
HADS—anxiety ()	7.5 (4.6)	5.8 (4.2)	9.2 (4.3)
HADS—depression ()	8.5 (3.5)	7.3 (3.5)	9.7 (3.1)
Mystery Scale	−0.8 (5.5)	−4.5 (3.9)	2.9 (4.4)

All descriptive variables demonstrated statistically significant differences between groups.