Table 3. Crude and adjusted means and mean differences of pressure pain thresholds assessed by pressure algometry in the trapezius and supraspinatus muscles and the tibia according to perceived stress score.
Women.
| Pressure pain threshold (kPa) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Perceived stress scorearange 0–12 | N | MeanCr | SD | MeanAdj1 | ΔMeanAdj1 | MeanAdj2 | ΔMeanAdj2 | 95% CI | |
| M. Trapezius | 0 (reference) | 838 | 344.3 | 161.9 | 343.0 | - | 338.1 | - | - |
| >0–2.66 | 667 | 327.5 | 146.3 | 327.2* | 15.8* | 330.4 | 7.7 | -8.2–23.6 | |
| 2.67–12.00 | 180 | 315.2 | 135.9 | 316.1* | 26.9* | 331.4 | 6.6 | -19.1–32.4 | |
| M. Supraspinatus | 0 (reference) | 838 | 438.1 | 174.9 | 463.3 | 431.0 | |||
| >0–2.66 | 333 | 421.1 | 167.6 | 421.6* | 14.7* | 423.1 | 7.9 | -9.7–25.4 | |
| 2.67–12.00 | 180 | 413.7 | 163.3 | 413.2* | 23.1* | 431.4 | -0.4 | -29.1–28.3 | |
| Tibia | 0 (reference) | 830 | 497.7 | 172.7 | 494.4 | 490.0 | |||
| >0–2.66 | 662 | 469.6 | 176.5 | 471.4* | 23.0* | 471.3* | 18.7 | 0.6–36.7 | |
| 2.67–12.00 | 178 | 458.6 | 156.8 | 457.5* | 37.0* | 472.1* | 17.9 | -11.5–47.2 | |
*: P < 0.05
MeanAdj1: Adjusting for age and body mass index.
MeanAdj2: Adjusting for age, BMI body mass index and discomfort from the region closest to the anatomical site of pressure algometry
ΔMean: Comparing middle vs. lowest and highest vs. lowest stress scores, respectively.