| Item | Eigenvector | Weight value | Maximum Eigenvalue | CI Ratio |
| avoid infection and inflammation | 0.818 | 9.091% | 9 | 0 |
| body coverage | 0.409 | 4.545% | ||
| bowel or bladder care | 0.409 | 4.545% | ||
| get caught in the wheels | 3.273 | 36.364% | ||
| obesity-related health risk | 0.409 | 4.545% | ||
| prevent injury | 0.409 | 4.545% | ||
| protection against wind and rain | 0.818 | 9.091% | ||
| pressure sore | 2.045 | 22.727% | ||
| safety of the carer | 0.409 | 4.545% |