Table 2.
Pain and disability* | ||||||
---|---|---|---|---|---|---|
New onset pain M (SD) |
Chronic pain M (SD) |
Healthy M (SD) |
F (2, 176) | p | η2 | |
Pain Frequency | 2.52 (1.26) | 3.66 (.69) | 1.10 (.72) | 102.78 | <.001 a,b | .54 |
Pain Intensity (0–10 NRS) | 4.95 (2.07) | 6.32 (1.65) | 2.93 (1.78) | 44.54 | <.001 a,b | .34 |
Pain Bother | 1.95 (.94) | 2.56 (.84) | 1.10 (.72) | 42.39 | <.001 a,b | .33 |
Pain-Related Disability | 15.54 (11.63) | 26.51 (14.31) | 4.76 (5.82) | 50.49 | <.001 a,b | .37 |
Psychosocial functioning* | ||||||
New onset pain M (SD) |
Chronic pain M (SD) |
Healthy M (SD) |
F (2, 154) | p | η2 | |
Fear of Pain | 22.22 (16.68) | 42.73 (18.84) | 17.83 (12.10) | 27.79 | <.001a | .27 |
Depressive Symptoms | 14.24 (12.03) | 23.44 (13.91) | 13.09 (10.14) | 7.86 | <.001a | .09 |
Sleep Quality | 3.96 (.58) | 3.54 (.78) | 4.13 (.69) | 8.29 | <.001a | .10 |
Pain Catastrophizing – Trait | 9.78 (8.27) | 18.65 (10.67) | 7.62 (5.50) | 20.83 | .001a | .21 |
Pain Catastrophizing - State | 13.55 (7.51) | 15.48 (8.71) | 12.80 (6.85) | 0.77 | 0.47 | .01 |
Laboratory pain variables* | ||||||
New onset pain M (SD) |
Chronic pain M (SD) |
Healthy M (SD) |
F (2, 169) | p | η2 | |
Cold Pressor Pain (0–10 NRS) | 5.98 (2.01) | 6.91 (2.11) | 5.60 (2.13) | 4.1 | .02a | .05 |
Pain Threshold - Baseline | 45.59 (3.93) | 43.13 (4.23) | 44.09 (4.38) | 6.63 | .002a | .07 |
Pain Threshold - Assessment | 45.83 (3.72) | 43.51 (3.90) | 45.03 (3.57) | 7.44 | .001a | .08 |
CPM Index | 100.78 (6.61) | 101.19 (6.66) | 102.51 (6.40) | 1.1 | 0.34 | .01 |
Significant covariates: child age on pain-related disability (p=.007) and depressive symptoms (p=.001), baseline pain threshold (p = .002) and assessment pain threshold (p = .002); child sex on fear of pain (p = .005) and cold pressor pain (p = .02)
chronic pain group significantly different from new onset pain and healthy groups
new onset pain group significantly different from healthy group