From: Subgroups of older adults with osteoarthritis based upon differing comorbid symptom presentations and potential underlying pain mechanisms
Variable
Cluster 1
Cluster 2
Cluster 3
Constant
-27.56
-13.30
-8.72
CES-D
.49
.30
.09
BFI
2.89
1.93
1.23
Sleep disturbance
1.01
.40
.88
Pain
.85
.17
1.20
Illness burden
1.04
1.05
.27