Skip to main content
. 2017 Jan 4;12(1):e0167257. doi: 10.1371/journal.pone.0167257

Table 2. 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.

Men.

Pressure pain threshold (kPa)
Perceived stress scorearange 0–12 N MeanCr SD MeanAdj1 ΔMeanAdj1 MeanAdj2 ΔMeanAdj2 95% CI
M. Trapezius 0 (reference) 709 590.6 253.5 564.6 - 556.5 - -
>0–2.66 400 541.9 238.4 544.8* 19.8* 550.6 5.8 -23.8–35.5
2.67–12.00 98 491.5 216.7 469.8* 94.8* 499.0* 57.5* 4.3–110.6
M. Supraspinatus 0 (reference) 707 699.5 261.8 704.8 - 698.2 - -
>0–2.66 399 676.4 251.1 679.5* 25.3* 684.1 14.2 -15.6–44.6
2.67–12.00 98 626.9 248.6 602.3* 102.5* 641.0* 57.2* 2.2–112.2
Tibia 0 (reference) 705 732.3 239.6 733.1 - 729.7 - -
>0–2.66 399 709.9 233.8 710.8* 22.3* 714.0 15.7 - 14.1–45.5
2.67–12.00 97 660.7 204.8 642.9* 90.2* 660.7* 69.0* 15.1–122.9

*: 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.