Table 5 Adjusted means examining the effect of having sleep symptoms on QoL scores after controlling for clinical characteristics
Sleep symptoms | Health outcomes | Adjusted mean (95% CI) | Adjusted mean (95% CI) | p-value |
|---|---|---|---|---|
Any sleep symptoms |  | No (n = 115) | Yes (n = 227) |  |
PCS | 50.14 (48.86–51.41) | 47.99 (47.10–48.88) | 0.009 | |
MCS | 51.32 (49.56–53.08) | 46.54 (45.31–47.76) | < 0.001 | |
EQ-5D | 0.84 (0.81–0.87) | 0.77 (0.75–0.79) | < 0.001 | |
Overall activity impairment, % | 18.87 (15.16–23.48) | 27.26 (23.46–31.68) | 0.009 | |
Waking up to go to the bathroom |  | No (n = 221) | Yes (n = 121) |  |
PCS | 49.67 (48.78–50.57) | 46.96 (45.73–48.19) | < 0.001 | |
MCS | 49.29 (48.03–50.54) | 46.06 (44.33–47.79) | 0.004 | |
EQ-5D | 0.81 (0.79–0.84) | 0.76 (0.73–0.78) | 0.002 | |
Overall activity impairment, % | 20.73 (17.81–24.14) | 31.24 (25.35–38.5) | 0.003 | |
Daytime sleepiness |  | No (n = 247) | Yes (n = 95) |  |
PCS | 49.21 (48.36–50.06) | 47.41 (45.99–48.83) | 0.038 | |
MCS | 49.51 (48.34–50.68) | 44.6 (42.64–46.55) | < 0.001 | |
EQ-5D | 0.82 (0.80–0.84) | 0.73 (0.70–0.77) | < 0.001 | |
Overall activity impairment, % | 22.30 (19.39–25.64) | 29.92 (23.73–37.71) | 0.038 | |
Waking up too early (such as before the alarm clock) |  | No (n = 273) | Yes (n = 69) |  |
PCS | 48.94 (48.14–49.75) | 47.8 (46.13–49.46) | 0.233 | |
MCS | 48.51 (47.39–49.64) | 46.7 (44.37–49.03) | 0.178 | |
EQ-5D | 0.80 (0.79–0.82) | 0.75 (0.71–0.79) | 0.02 | |
Overall activity impairment, % | 23.83 (20.88–27.19) | 26.58 (20.19–34.99) | 0.493 |