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Table 3 Relationships between work factors and NPS (exposure at baseline and outcome at follow-up), work factors and disturbed sleep (exposure at baseline and mediator at follow-up), and disturbed sleep and NPS (mediator at baseline and outcome at follow-up) (N = 6277)

From: Effects of psychosocial work factors on number of pain sites: The role of sleep quality as mediator

Psychosocial work factorWork factor → Sleep qualityWork factor → Pain sitesSleep quality → Pain sitesIndirect effects
Quantitative job demands0.044[-0.011,0.092]
SE = 0.026
0.033[-0.009,0.075]
SE = 0.022
0.072*[0.044,0.095]
SE = 0.014
0.003[0.000,0.007]
SE = 0.002
Decision demands0.020[-0.031,0.074]
SE = 0.026
-0.014[-0.062,0.023]
SE = 0.022
0.070*[0.045,0.096]
SE = 0.013
0.001[-0.002,0.006]
SE = 0.002
Positive challenges at work-0.112*[-0.177,-0.048]
SE = 0.033
-0.050[-0.113,0.009]
SE = 0.030
0.068*[0.043,0.093]
SE = 0.013
-0.008*[-0.014,-0.003]
SE = 0.003
Role clarity-0.048[-0.103,0.000]
SE = 0.026
-0.051*[-0.096,-0.007]
SE = 0.023
0.066*[0.041,0.093]
SE = 0.013
-0.003[-0.008,0.000]
SE = 0.002
Role conflict0.121*[0.064,0.188]
SE = 0.032
0.126*[0.069,0.181]
SE = 0.028
0.061*[0.037,0.088]
SE = 0.013
0.007*[0.003,0.013]
SE = 0.002
Decision control-0.102*[-0.180,-0.030]
SE = 0.037
-0.085*[-0.148,-0.021]
SE = 0.034
0.067*[0.043,0.092]
SE = 0.013
-0.007*[-0.014,-0.002]
SE = 0.003
Control over work pacing0.029[-0.038,0.090]
SE = 0.031
-0.007[-0.061,0.043]
SE = 0.026
0.069*[0.045,0.095]
SE = 0.013
0.002[-0.002,0.007]
SE = 0.002
Predictability during the next month-0.022[-0.086,0.043]
SE = 0.032
-0.105*[-0.167,-0.048]
SE = 0.030
0.067*[0.042,0.093]
SE = 0.013
-0.001[-0.006,0.003]
SE = 0.002
Support from superior-0.080*[-0.123,-0.045]
SE = 0.019
-0.061*[-0.095,-0.030]
SE = 0.017
0.063*[0.039,0.089]
SE = 0.013
-0.005*[-0.009,-0.003]
SE = 0.002
Coworker support-0.070*[−0.125,-0.025]
SE = 0.026
-0.052[-0.107,0.002]
SE = 0.028
0.067*[0.042,0.093]
SE = 0.014
-0.005*[-0.010,-0.002]
SE = 0.002
Empowering leadership-0.053*[-0.089,0.020]
SE = 0.018
-0.032*[-0.061,-0.005]
SE = 0.015
0.067*[0.041,0.092]
SE = 0.013
-0.004*[-0.007,-0.001]
SE = 0.001
Fair leadership-0.040[-0.082,0.000]
SE = 0.027
-0.062*[-0.100,-0.028]
SE = 0.021
0.065*[0.040,0.091]
SE = 0.013
-0.004[-0.007,0.000]
SE = 0.003
Social climate-0.061*[-0.117,-0.013]
SE = 0.027
-0.091*[-0.136,-0.050]
SE = 0.022
0.063*[0.039,0.089]
SE = 0.013
-0.004*[-0.009,-0.001]
SE = 0.002
  1. All regressions were adjusted for age, sex, skill level, and baseline levels of outcome. Values reflect Beta-estimates and confidence intervals reported are bias corrected (BCa CI)
  2. * Significant at P < 0.05