Table 2.
Sleep quality in the year before diagnosis as well as 10 months and 24 months post-diagnosis (WCHFS, 2012 – 2019).
| Sleep Outcome | 10 Pre-Diagnosis (n=637) |
Months Post-Diagnosis (n=261) |
24 Months Post-Diagnosis (n=632) |
|---|---|---|---|
| PSQI Score, Mean (SD) | 6.84 (4.29) | 6.67 (4.03) | 7.57 (4.53) |
| Clinically-Significant Sleep Disturbance1 | |||
| No, N (%) | 271 (42.54%) | 122(46.74%) | 247 (39.08%) |
| Yes, N (%) | 366 (57.46%) | 139(53.26%) | 385 (60.92%) |
| Sleep Efficiency, Mean (SD) | 79.20(18.54) | 79.11 (18.66) | 77.69(19.55) |
| Sleep Efficiency < 85% | |||
| No, N (%) | 296 (46.47%) | 119(45.59%) | 279(44.15%) |
| Yes, N (%) | 341 (53.53%) | 142(54.41%) | 353 (55.85%) |
| Hours of Overnight Sleep, Mean (SD) | 5.88(1.56) | 6.08(1.54) | 5.92(1.54) |
| Sleep < 7 hours Per Night | |||
| No, N (%) | 229 (35.95%) | 112(42.91%) | 221 (34.97%) |
| Yes, N (%) | 408 (64.05%) | 149(57.09%) | 411 (65.03%) |
Note: PSQI = Pittsburgh Sleep Quality Index; SD = standard deviation;
1
Clinically-significant sleep disturbance was defined as a Pittsburgh Sleep Quality Index (PSQI) score of ≥ 5.29