Table 4. Regression analysis of differences between mid- and pre-pandemic sleep disturbance (PROMIS) (as outcome) and Fitbit sleep measures (REM and deep sleep).
| Dependent/outcome: PROMIS (F’20 -F’19) | |||||||
|---|---|---|---|---|---|---|---|
| Model | Variables entered | R2 | B | SE (B) | β | t | p |
| 1 | %REM (F’20 -F’19) | 0.269 | -0.466 | 0.199 | -0.518 | -2.348 | 0.033 |
| 2 | %REM (F’20 -F’19) | 0.269 | -0.471 | 0.210 | -0.524 | -2.246 | 0.041 |
| Gender | -0.444 | 3.718 | -0.028 | -0.119 | 0.907 | ||
| 1 | %deep (F’20 -F’19) | 0.248 | -0.328 | 0.143 | -0.498 | -2.300 | 0.035 |
| 2 | %deep (F’20 -F’19) | 0.250 | -0.337 | 0.156 | -0.512 | -2.164 | 0.047 |
| Gender | -0.574 | 3.251 | -0.042 | -0.176 | 0.862 | ||
Model 1: unadjusted regression
Model 2: adjusted for sex
B: unstandardized coefficient
SE (B): standard error for coefficient B
β: standardized coefficient