Table 3.
Group differences on sleep variables
| Sleep variable | Chronic Pain (n = 59) M (SD) |
Healthy (n = 56) M (SD) |
F(1, 98) | p |
Partial Eta Squared |
|---|---|---|---|---|---|
| Sleep hygiene | |||||
| Total | 1.20 (.57) | 1.09 (.44) | 1.30 | .257 | .01 |
| Physiological | 1.30 (.85) | 1.09 (.71) | 2.14 | .147 | .02 |
| Cognitive | 2.02 (.81) | 1.96 (.73) | .15 | .698 | .00 |
| Emotional | 1.06 (.96) | .88 (.74) | 1.22 | .272 | .11 |
| Sleep environment | .72 (.92) | .67 (.70) | .11 | .736 | .00 |
| Substances | .08 (.28) | .05 (.34) | .14 | .709 | .00 |
| Sleep stability | 2.05 (1.18) | 1.91 (.96) | .44 | .507 | .00 |
| Sleep quality | |||||
| Total | 3.83 (.56) | 4.25 (.52) | 17.80 | .000 | .14 |
| Going to bed | 3.83 (.92) | 4.05 (.88) | 1.70 | .195 | .02 |
| Falling asleep | 3.66 (.72) | 4.35 (.66) | 28.16 | .000 | .20 |
| Maintaining sleep | 4.22 (.86) | 4.68 (.70) | 10.12 | .002 | .08 |
| Reinitiating sleep | 4.37 (.75) | 4.83 (.71) | 11.30 | .001 | .09 |
| Returning to wakefulness |
3.06 (.83) | 3.35 (.78) | 3.83 | .053 | .03 |
| Pre-sleep arousal | |||||
| Total | 30.14 (9.71) | 25.59 (6.33) | 8.75 | .004 | .07 |
| Cognitive | 16.90 (5.67) | 15.02 (4.57) | 3.81 | .053 | .03 |
| Somatic | 13.24 (4.68) | 10.57 (2.49) | 14.33 | .000 | .11 |