Table 2:
Pearson correlations (r) between movement-evoked pain, pain characteristics, demographics, and self-perceived and performance-based function
| Age | Sex | BMI | LBP Duration |
MPQ- PRI |
Composite LBP Intensity |
MeP | LLFDI | TUG | |
|---|---|---|---|---|---|---|---|---|---|
| Age | 1 | ||||||||
| Sex | −0.091 | 1 | |||||||
| BMI | −0.023 | −0.096 | 1 | ||||||
| LBP Duration | −0.060 | −0.056 | 0.144* | 1 | |||||
| MPQ-PRI | −0.151* | 0.098 | 0.195** | −0.081 | 1 | ||||
| Composite LBP | −0.082 | 0.101 | 0.111 | 0.003 | 0.368** | 1 | |||
| MeP | −0.073 | 0.165** | 0.029 | −0.087 | 0.354** | 0.550** | 1 | ||
| LLFDI | −0.144* | −0.216** | −0.319** | 0.034 | −0.276** | −0.306** | −0.337** | 1 | |
| TUG | 0.240** | 0.106* | 0.182** | 0.017 | 0.081 | 0.200** | 0.203** | −0.471** | 1 |
Abbreviations: BMI = body mass index; LBP = low back pain; LLFDI = Late Life Function and Disability Index; MeP = Movement-Evoked Pain; MPQ-PRI = McGill Pain Questionnaire Pain Rating Index; TUG = Timed Up-and-Go Test
*
p<0.050
**
p<0.010
Note: sex correlation coefficients from Kendall’s tau