Table 2.
Changes in the sleep components analyzed during lockdown. Parametric and nonparametric bivariate analysis.
| Pre (N = 207) | Post (N = 207) | MD | CI 95% |
p t-Student |
p Wilcoxon |
||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||||||
|
COMP 1
Subjective sleep quality |
1.03 | 0.71 | 1.26 | 0.84 | −0.227 | −0.332 | −0.122 | <0.001 * | <0.001 * |
|
COMP 2
Sleep latency |
1.03 | 0.89 | 1.54 | 1.06 | −0.515 | −0.653 | −0.376 | <0.001 * | <0.001 * |
|
COMP 3
Sleep duration |
0.87 | 0.73 | 0.57 | 0.71 | 0.295 | 0.180 | 0.410 | <0.001 * | <0.001 * |
|
COMP 4
Sleep efficiency |
0.42 | 0.76 | 0.65 | 0.89 | −0.232 | −0.364 | −0.100 | 0.001 * | 0.001 * |
|
COMP 5
Sleep disturbance |
1.03 | 0.39 | 1.12 | 0.43 | −0.082 | −0.149 | −0.015 | 0.017 * | 0.017 * |
|
COMP 6
Use of sleep medication |
0.14 | 0.49 | 0.16 | 0.54 | −0.029 | −0.108 | 0.050 | 0.468 | 0.450 |
|
COMP 7
Daytime dysfunction |
0.99 | 0.78 | 1.11 | 0.88 | −0.121 | −0.248 | 0.007 | 0.063 | 0.068 |
| PSQI Global score | 5.51 | 2.89 | 6.42 | 3.36 | −0.908 | −1.307 | −0.509 | <0.001 * | <0.001 * |
| Percentage sleep efficiency | 89.57 | 11.14 | 86.19 | 12.47 | 3.37 | 1.49 | 5.25 | <0.001 * | 0.001 * |
| Mean bedtime | 00:42 | 1.05 | 01:50 | 1.42 | −1.08 | −1.25 | −0.92 | <0.001 * | <0.001 * |
| Mean get-up time | 08:01 | 0.93 | 10:01 | 1.42 | −2.00 | −1.81 | −2.19 | <0.001 * | <0.001 * |
| Mean time spent in bed | 7.59 | 1.10 | 8.51 | 1.15 | −0.92 | −0.75 | −1.09 | <0.001 * | <0.001 * |
MD, mean difference; SD, standard deviation; * Statistically significant differences.