Mood, Disability, and Quality of Life among a Subgroup of Rheumatoid Arthritis Individuals with Experiential Avoidance and Anxiety Sensitivity

Table 2

Mean values (standard deviation) in mood, disability, and quality of life among the three cluster subgroups.

	Cluster 1	Cluster 2	Cluster 3	(among clusters)
DASS-SF total	13.53 (11.98)	22.97 (18.20)	29.30 (20.75)	<0.001
DASS-SF depression	3.90 (3.76)	7.30 (6.80)	9.73 (7.60)	<0.001
DASS-SF anxiety	5.46 (5.31)	8.77 (7.08)	11.72 (9.00)	<0.001
DASS-SF stress	4.46 (4.49)	7.56 (5.46)	9.72 (7.78)	<0.001
HAQ Total	0.81 (0.71)	1.05 (0.73)	1.18 (0.75)	0.01
SF-36 total	98.9 (6.0)	98.4 (6.6)	95.6 (6.8)	0.04

Note: each superscript letter denotes outcomes whose column proportions differ significantly from that specific cluster subgroup at the 0.05 level. DASS-SF: Depression Anxiety Stress Scales-Short Form; HAQ: Health Assessment Questionnaire; SF-36: 36-Item Short Form Health Survey.