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

Table 4. 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 self-reported job strain.

Men.

Pressure pain threshold (kPa)
Self-reported job strain N MeanCr SD MeanAdj1 ΔMeanAdj1 MeanAdj2 ΔMeanAdj2 95% CI
M. Trapezius No (reference) 1136 553.2 246.5 555.2 553.6
Yes 85 480.4 228.1 477.8* 77.4* 490.5 63.0* 10.3–115.8
M. Supraspinatus No (reference) 1133 691.5 256.7 694.4 693.9
Yes 85 601.4 245.2 596.9* 97.5* 617.7 76.1* 22.3–130.0
Tibia No (reference) 1130 722.2 235.5 721.9 721.8
Yes 85 663.6 226.5 660.4* 61.5* 669.3 52.4 -0.5–105.4

*: 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 high job strain with low job strain