Table 3.
Means and standard deviations of objective sleep measures across groups. ‡p<0.05 for aMCI<naMCI; *p<0.001 for aMCI<intact, naMCI; and §p<0.001 for naMCI>intact, aMCI. All p-values after correction for multiple comparisons. Numbers of participants in each group are shown in parentheses.
| Measure | Intact (29) | aMCI (6) | naMCI (10) |
|---|---|---|---|
| ‡ Movement in Bed (MIB, in sensor firings) | 9.40 +/- 0.40 | 7.81 +/- 0.88 | 10.85 +/- 0.68 |
| * Wake After Sleep Onset (WASO, in mins) | 27.22 +/- 1.19 | 13.51 +/- 2.62 | 20.64 +/- 2.02 |
| Total Sleep Time (TST, in hours) | 8.34 +/- 0.04 | 8.50 +/- 0.09 | 8.45 +/- 0.07 |
| § Settling Time (mins) | 2.5 +/- 0.07 | 2.32 +/- 0.15 | 3.07 +/- 0.11 |
| * Times Up at night (# times) | 2.08 +/- 0.04 | 1.63 +/- 0.10 | 1.89 +/- 0.08 |