Table 5.
Differences in Average Actigraphy Sleep Parameters and Baseline Health Status based on Pittsburgh Sleep Quality Index (PSQI) Scoresa (cutoff of 5) of Being a Good (n=62) or Poor (n=115) Sleeper at Baseline
Sleep Parameter | N | Mean | SD | Minimum | Maximum | |
---|---|---|---|---|---|---|
Average of Total Time in Bed (mins) | Good Sleeper | 62 | 541.32 | 75.44 | 336.67 | 761.00 |
Poor Sleeper | 115 | 542.57 | 75.20 | 384.00 | 719.00 | |
Average SleepTime (mins) | Good Sleeper | 62 | 475.22 | 78.53 | 286.67 | 610.33 |
Poor Sleeper | 115 | 470.40 | 82.33 | 256.33 | 655.67 | |
Average Number of Awakenings | Good Sleeper | 62 | 10.27 | 5.63 | 2.33 | 29.33 |
Poor Sleeper | 115 | 10.10 | 4.95 | .00 | 26.33 | |
Average WASO-M (mins) | Good Sleeper | 62 | 58.07 | 40.89 | 6.00 | 170.67 |
Poor Sleeper | 115 | 63.13 | 42.51 | .00 | 218.67 | |
Average WASO-P (Percent) | Good Sleeper | 62 | 10.84 | 7.55 | 1.29 | 28.00 |
Poor Sleeper | 115 | 11.86 | 8.37 | .00 | 37.37 | |
Average Sleep Percent | Good Sleeper | 62 | 89.16 | 7.55 | 72.00 | 98.71 |
Poor Sleeper | 115 | 88.14 | 8.37 | 62.63 | 100.00 | |
Health Status |
N | Mean | SD | Minimum | Maximum | |
Physical Health Status Subscale MOS-SF ** | Good Sleeper | 61 | 48.25 | 9.05 | 26.35 | 61.66 |
Poor Sleeper | 114 | 42.36 | 9.74 | 23.47 | 65.86 | |
Mental Health Status Subscale of MOS-SF ** | Good Sleeper | 61 | 52.14 | 8.53 | 27.98 | 67.06 |
Poor Sleeper | 114 | 46.99 | 11.18 | 15.08 | 66.00 |
PSQI, ≤ 5 = good sleeper; > 5 = poor sleeper
t-test of differences between groups:
p < .01