Table 1.
Characteristics of the chronic pain and nonchronic pain groups of community-dwelling older adults.
| Characteristic | Total (n = 113) | Chronic pain (n = 50) | Nonchronic pain (n = 63) | P |
|---|---|---|---|---|
| Age (yrs) | 76.3 (5.6) | 77.5 (6.1) | 75.3 (5.1) | .12 |
| BMI (kg/m2) | 22.4 (3.2) | 22.8 (3.1) | 22.1 (3.2) | .201 |
| SMI | 5.6 (0.6) | 5.6 (0.6) | 5.6 (0.6) | .693 |
| MMSE | 28.5 (2.3) | 28.4 (2.5) | 28.5 (2.0) | .672 |
| Education (years) | 11.6 (2.1) | 11.6 (2.2) | 12.0 (2.1) | .348 |
| CSI | 7.0 (5.1) | 8.4 (9.8) | 5.9 (4.6) | .005 |
| PPT | 15.8 (5.3) | 13.9 (4.5) | 17.3 (6.0) | .011 |
| NRS at the site of maximum pain | 2.8 (1.8) | 3.5 (1.5) | 1.7 (1.0) | <.001 |
| WPI | 1.6 (2.3) | 3.2 (2.1) | 0.3 (0.8) | <.001 |
| Site of pain, n (%): | <.001 | |||
| Shoulder or neck | 7 (6.8) | 5 (11.1) | 2 (3.3) | |
| Back | 9 (8.7) | 6 (13.3) | 3 (4.6) | |
| Lower limb | 14 (13.6) | 11 (24.4) | 3 (4.6) | |
| >3 sites | 13 (12.6) | 13 (26.5) | 0 | |
| PCS total score | 12.0 (11.8) | 16.1 (12.6) | 8.9 (9.9) | <.001 |
| TSK-11 | 19.1 (6.4) | 20.3 (6.4) | 18.2 (6.2) | .031 |
| EQ5D5L | 0.8 (0.14) | 0.74 (0.12) | 0.88 (0.13) | <.001 |
| Gait speed (m/s) | 1.36 (0.23) | 1.3 (0.2) | 1.41 (0.2) | .005 |
| Grip strength (kg) | 20.6 (4.2) | 20.0 (4.5) | 21.3 (4.2) | .131 |