Table 7.
Summary of the mediating effects of lower extremity muscle strength between mobility and cognitive function.
| Effect | Independent variables | Dependent variables | B | SE | t | p value | 95%CI |
|---|---|---|---|---|---|---|---|
| Total effect (c) | X | Y | −0.197 | 0.031 | −6.406 | 0.000*** | (−0.258, −0.137) |
| Indirect effect (a) | X | M | −0.273 | 0.052 | −5.206 | 0.000*** | (−0.376, −0.170) |
| Indirect effect (b) | M | Y | 0.145 | 0.023 | 6.176 | 0.000*** | (0.099, 0.191) |
| Direct effect (c’) | X | Y | −0.197 | 0.031 | −6.406 | 0.000*** | (−0.258, −0.137) |
Mediating analytic was statistically analyzed; ***p < 0.001; B, unstandardized coefficient; SE, standard error; X, mobility; M, lower limb muscle strength; Y, cognitive function.