Table 4. Multiple Regression Model of Association of Lifestyle Factors With Cerebral Glucose Metabolism.
| Lifestyle factor | FDG mean SUVR | |
|---|---|---|
| β (95% CI) | P value | |
| Walking steps, steps/d | 0.098 (−0.084 to 0.28) | .29 |
| Conversation time, min/d | 0.183 (0.007 to 0.358) | .04 |
| TST, min/d | −0.287 (−0.452 to −0.121) | <.001 |
| WASO, min/d | −0.176 (−0.354 to 2.6 × 10−4) | .05 |
| Sleep efficiency, %/d | 0.079 (−0.101 to 0.258) | .39 |
| Waking time count, counts/d | −0.206 (−0.387 to −0.025) | .03 |
| Nap time, min/d | −0.125 (−0.293 to 0.043) | .14 |
Abbreviations: FDG, fluorine-18 fluorodeoxyglucose; SUVR, standardized uptake value ratio; TST, total sleep time; WASO, time awake after sleep.