Table 9.
Construct validity analysis: Linear regression between domains and health-related measures.
| IADL | FALL History | CES-D | PA | SPPB | HAND | PWR | TMTA | Gait Speed | |
|---|---|---|---|---|---|---|---|---|---|
| QS1 | 0.226 | 0.231 | 0.378 | −0.088 | −0.721 | −0.966 | −4.337 | 8.835 | −0.059 |
| QS2 | −0.022 | −0.099 | 1.202 | −0.004 | −0.127 | 0.035 | −1.732 | −4.713 | 0.006 |
| QS3 | 0.006 | −0.074 | −0.129 | −0.095 | −0.134 | −0.402 | −1.994 | 1.431 | −0.010 |
| QS4 | 0.083 | −0.230 | 0.598 | −0.097 | −0.577 | −1.373 | −7.576 | 9.340 | −0.039 |
| 7MW1 | 0.394 | −0.091 | 1.655 | −0.377 | −1.317 | −3.038 | −19.142 | 14.173 | −0.205 |
| 7MW2 | 0.236 | 0.431 | 0.992 | −0.283 | −0.73 | −0.754 | −7.039 | 8.028 | −0.092 |
| 7MW3 | 0.123 | −0.079 | 1.144 | −0.175 | −0.071 | −3.851 | −16.295 | −0.270 | −0.011 |
| 7MW4 | 0.044 | 0.124 | −0.379 | 0.095 | −0.037 | −0.508 | 4.473 | −1.953 | 0.021 |
| 7MW5 | 0.068 | 0.094 | 0.165 | −0.100 | −0.495 | −0.391 | −3.496 | 3.815 | −0.054 |
| CST1 | 0.116 | 0.207 | −0.042 | 0.024 | −0.056 | −0.334 | −2.786 | −1.448 | −0.038 |
| CST2 | 0.17 | 0.325 | 0.388 | −0.097 | −0.914 | 0.080 | −4.985 | 6.339 | −0.088 |
| CST3 | −0.001 | −0.027 | 1.479 | −0.108 | −0.232 | −2.518 | −12.943 | −1.101 | −0.025 |
| CST4 | 0.185 | −0.146 | 0.129 | −0.140 | −0.922 | −1.550 | −4.761 | 10.736 | −0.070 |
| CST5 | −0.078 | −0.064 | −0.308 | −0.003 | −0.290 | −1.036 | −9.480 | −1.641 | −0.016 |
| CST6 | 0.170 | 0.254 | 2.473 | −0.312 | −0.728 | −3.859 | −22.155 | 4.530 | −0.094 |
| Results adjusted for Age, Gender, Height, Weight, MMSE and NM | |||||||||
| QS1 | 0.125 | 0.178 | 0.071 | −0.005 | −0.430 | −0.764 | −0.855 | 3.654 | −0.024 |
| QS2 | 0.022 | −0.046 | 1.266 | −0.019 | −0.221 | 0.232 | −2.298 | −2.615 | −0.006 |
| QS3 | 0.018 | −0.055 | −0.265 | −0.087 | −0.121 | −0.213 | −0.065 | 0.893 | −0.013 |
| QS4 | −0.017 | −0.241 | 0.106 | 0.017 | −0.205 | −0.452 | −2.679 | 4.533 | −0.003 |
| 7MW1 | 0.189 | −0.328 | 0.555 | −0.157 | −0.836 | −0.636 | −6.004 | 6.110 | −0.161 |
| 7MW2 | 0.159 | 0.450 | 1.053 | −0.263 | −0.484 | −1.142 | −7.652 | 2.755 | −0.071 |
| 7MW3 | 0.064 | −0.159 | 0.011 | −0.046 | 0.107 | −0.407 | −3.497 | −0.892 | 0.023 |
| 7MW4 | 0.079 | 0.157 | −0.126 | 0.045 | −0.180 | −1.121 | −0.908 | 0.645 | 0.006 |
| 7MW5 | 0.023 | 0.096 | 0.214 | −0.082 | −0.349 | −0.673 | −3.001 | 0.017 | −0.039 |
| CST1 | 0.133 | 0.158 | 0.063 | −0.010 | −0.140 | −0.196 | −0.991 | −2.428 | −0.040 |
| CST2 | 0.114 | 0.389 | 0.680 | −0.106 | −0.818 | −0.801 | −6.630 | 1.341 | −0.072 |
| CST3 | −0.065 | −0.028 | 0.785 | 0.043 | −0.017 | −0.774 | −5.934 | −2.237 | 0.003 |
| CST4 | 0.058 | −0.120 | −0.707 | 0.026 | −0.625 | −0.890 | 0.845 | 5.898 | −0.037 |
| CST5 | −0.112 | −0.087 | −0.699 | 0.054 | −0.210 | −0.301 | −5.255 | −3.084 | −0.002 |
| CST6 | 0.031 | 0.178 | 1.337 | −0.115 | −0.460 | −0.737 | −6.317 | −1.596 | −0.047 |
| β coefficients with a p-value < 0.05 are bolded | |||||||||
ACRONYMS: CES-D: Center for Epidemiologic Studies Depression Scale; FALL history: declared number of falls; HAND. Hand-Grip strength test; IADL: Instrumental Activities of Daily Living; MMSE: Mini-Mental State Examination; NM: Number of Medications; PA: Physical Activity; PWR. lower extremity muscle power; SPPB: Short Physical Performance Battery; TMTA: Trail Making Test A.