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.
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