From: Exploring the causal and effect nature of EQ-5D dimensions: an application of confirmatory tetrad analysis and confirmatory factor analysis
Symptom (PD + AD)
Activity/participation (MO + SC + UA)
SD
N
2
3.10
0.52
1614
3
3.47
1.00
2101
4
3.98
1.38
1788
5
4.96
1.98
1123
6
5.86
2.38
697
7
6.99
2.47
333
8
7.46
2.64
197
9
7.77
2.85
44
10
10.08
1.74
24