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

Table 5. 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.

Women.

Pressure pain threshold (kPa)
Self-reportedjob strain N MeanCr SD MeanAdj1 ΔMeanAdj1 MeanAdj2 ΔMeanAdj2 95% CI
M. Trapezius No (reference) 1595 331.8 144.9 331.2 330.4
Yes 156 356.9 212.3 351.4 -20.2 354.5 -23.6 -49.2–2.0
M. Supraspinatus No (reference) 1594 426.8 171.6 425.8 425.2
Yes 156 442.1 157.4 437.9 -12.1 442.6 -17.4 -45.9–11.1
Tibia No (reference) 1582 484.7 175.4 482.3 481.0
Yes 153 461.4 150.4 471.6* 9.7* 477.0 2.0 -27.6–31.6.

*: 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