Table 3 Principal component analysis of the 8 items of PDQ-8
From: Evaluation of PDQ-8 and its relationship with PDQ-39 in China: a three-year longitudinal study
Dimension | PDQ-8 item | Factor loadings |
|---|---|---|
Mobility | Q7 | 0.59 |
Activity of daily living | Q12 | 0.62 |
Emotional well-being | Q17 | 0.79 |
Stigma | Q25 | 0.68 |
Social support | Q27 | 0.61 |
Cognitions | Q31 | 0.57 |
Communication | Q35 | 0.77 |
Bodily discomfort | Q37 | 0.58 |
% Variance explained | 42.86% | |
Component eigenvalue | 3.4 |