Table 3.
Linear regression analysis of all correlated variables (VAT, Maximal Aerobic Capacity, Total Sleep Time) and BrainPAD.
| Model Summary | R | R2 | Adjusted R2 | SEE | P-value |
|---|---|---|---|---|---|
|
|
|
|
|
|
|
| 0.330 | 0.109 | 0.099 | 5.8317 | 0.008 | |
|
|
|
|
|
|
|
| Predictors | Unstandardized β | SE | Standardized β coefficient | t | p-value |
|
|
|
|
|
|
|
| Constant | 11.805 | 4.762 | 2.479 | 0.013 | |
| Visceral Adipose Tissue (kg)a | 0.741 | 0.352 | 0.111 | 2.106 | 0.036 |
| Total Sleep Time (hours/night)b | 0.735 | 0.276 | 0.113 | 2.66 | 0.008 |
|
|
|
|
|
|
|
| Covariates | |||||
|
|
|
|
|
|
|
| Chronological Age (yrs) | − 0.208 | 0.058 | − 0.162 | − 3.604 | <0.001 |
| Sexc | 1.399 | 0.781 | 0.100 | 1.791 | 0.074 |
| Maximal Aerobic Capacity (METS)d | − 0.242 | 0.176 | − 0.071 | −1.374 | 0.17 |
| Locatione | − 2.978 | 0.536 | − 0.243 | − 5.56 | <0.001 |
a
Visceral Adipose Tissue derived from Dual X-Ray Absorptiometry.
b
Total Sleep Time in gathered from accelerometry averaged across 4+ nights of collection.
c
Female = 1, Male = 2.
d
METS estimated based upon final speed/grade on treadmill during Graded Exercise Test.
e
UCSD = 1, WUSTL = 2.