Table 2. Factor loadings matrix after rotation.
| Variable | Factor 1: Mobility function | Factor 2: HSPF | Factor 3: Muscle strength |
|---|---|---|---|
| MWS | 0.907 | 0.055 | 0.047 |
| UWS | 0.903 | 0.007 | 0.015 |
| TUG | 0.668 | 0.053 | 0.256 |
| HS | 0.078 | 0.879 | 0.098 |
| Spirometry | 0.006 | 0.874 | −0.034 |
| CST | −0.018 | −0.084 | 0.882 |
| ACT | 0.303 | 0.183 | 0.752 |
| Eigenvalues | 2.466 | 1.510 | 1.212 |
| % of variance | 26.380 | 19.117 | 13.050 |
Notes.
Total variance explained is 58.548%.
Abbreviations
- MWS
- maximum walking speed
- UWS
- usual walking speed
- TUG
- Timed Up and Go
- HS
- handgrip strength
- CST
- 30-s chair stand test
- ACT
- 30-s arm curl test
- HSPF
- handgrip strength and pulmonary function
Bold font indicates the factor with the highest loading.