Table 5.
Sleep-related trouble according to the presence of residual symptoms in respondents 65 years and older.
| Residual symptoms | p value | ||||
|---|---|---|---|---|---|
| None (N = 78) | One or more (N = 195) | ||||
| Mean | SD | Mean | SD | ||
| Nights out of 7 with trouble falling asleep | 4.6 | 2.5 | 5.2 | 2.1 | 0.059∗ |
| Nights out of 7 with trouble staying asleep | 5.4 | 2.2 | 5.4 | 2.2 | 0.822 |
| Number of days out of 7 wake up before alarm | 4.6 | 2.7 | 4.3 | 2.7 | 0.461 |
| Number of days out of 7 wake up tired/unrested | 3.7 | 2.7 | 4.9 | 2.4 | 0.001∗ |
| Nights out of 7 with problem | 5.9 | 1.6 | 5.8 | 1.8 | 0.651 |
| Sleep problems interfere with home management | 2.7 | 2.8 | 4.6 | 2.8 | <0.001 |
| Sleep problems interfere with ability to work | 1.7 | 2.5 | 3.0 | 3.0 | 0.001∗ |
| Sleep problems interfere with social relationships | 2.6 | 3.0 | 3.9 | 2.8 | 0.001 |
| Sleep problems interfere with close relationships | 2.5 | 3.1 | 3.5 | 2.9 | 0.010 |
Note: ∗ indicates Welch's test was used in lieu of parametric t-test due to nonhomogeneity of variance.