Table 3.
Longitudinal Associations of Regional DVR With Lower Extremity Motor Change Adjusted for Age, Sex, and Body Mass Index (n = 59)
| Regions of Interest | Usual Gait Speed, m/s | 400-m Time, s | HABCPPB Score | Balance Time, s |
|---|---|---|---|---|
| β (95% CI), p Value | ||||
| Precuneus | −0.006 (−0.011, −0.001), .01 | 1.944 (0.592, 3.296), .005* | −0.023 (−0.041, −0.006), .009 | −0.364 (−0.895, 0.167), .18 |
| Putamen | −0.011 (−0.017, −0.004), .001* | 3.198 (0.946, 5.449), .006* | −0.040 (−0.064, −0.016), .001* | −0.975 (−1.651, −0.299), .005* |
| Caudate | −0.007 (−0.013, −0.000), .04 | 1.796 (−0.183, 3.776), .08 | −0.019 (−0.044, 0.005), .12 | −0.466 (−1.169, 0.237), .19 |
| Dorsolateral prefrontal lobe | −0.008 (−0.014, −0.002), .006* | 3.508 (1.724, 5.291), <.001* | −0.023 (−0.045, −0.001), .04 | −0.520 (−1.173, 0.132), .12 |
| Lateral temporal | −0.012 (−0.020, −0.004), .004* | 4.347 (2.038, 6.655), <.001* | −0.026 (−0.057, 0.004), .09 | −0.646 (−1.548, 0.256), .16 |
| Primary motor cortex | −0.011 (−0.022, 0.000), .06 | 3.556 (0.462, 6.649), .03 | −0.040 (−0.082, 0.002), .06 | −0.381 (−1.657, 0.895), .56 |
| Hippocampus | −0.008 (−0.026, 0.010), .36 | −3.114 (−8.342, 2.114), .24 | 0.025 (−0.044, 0.094), .47 | −0.860 (−2.833, 1.114), .39 |
Notes: DVR = distribution volume ratio; HABCPPB = Health ABC Physical Performance Battery. Bold numbers reflected associations of p < .05 (*with Bonferroni corrections).