Dispositional Affect in Unique Subgroups of Patients with Rheumatoid Arthritis
Table 1
Demographic and clinical characteristics of study sample and cluster subgroups.
Study population
Cluster 1
Cluster 2
p (between clusters)
227
85
142
Mean age (SD)
57.8 (14.4)
58.3 (14.7)
57.5 (14.4)
0.672
Sex (male %)
24.3
24.7
24.1
0.512
Mean years of education (SD)
13.0 (3.3)
12.5 (3.6)
13.3 (3.1)
0.094
Mean years since RA diagnosis
13.2 (11.0)
15.7 (12.2)
11.6 (9.9)
0.006
Relationship status (%)
0.841
Single
11.1
9.5
12.1
Married or in a serious relationship
74.7
76.2
73.8
Divorced, separated, widowed
14.2
14.3
14.2
Average pain intensity
3.8 (2.2)
4.0 (2.0)
3.7 (2.3)
0.092
AAQ (SD)
28.3 (7.5)
32.7 (6.1)
25.7 (7.0)
0.001
RRAQ (SD)
12.8 (5.4)
17.0 (5.8)
10.2 (3.1)
0.001
ASI total (SD)
15.2 (10.8)
23.8 (10.8)
10.0 (6.9)
0.001
FMPS total
74.0 (16.0)
86.1 (13.9)
66.7 (12.5)
0.001
PSWQ (SD)
40.9 (12.9)
51.2 (12.4)
34.7 (8.9)
0.001
Significant values are shown in bold. AAQ: Acceptance and Action Questionnaire; ASI: Anxiety Sensitivity Index; FMPS: Frost Multidimensional Perfectionism Scale; HAQ: Health Assessment Questionnaire; PSWQ: Penn State Worry Questionnaire; RRAQ: Reactions to Relaxation and Arousal; SD: standard deviation.