Table 2.

Direct effects (N = 512).

	Mediator	Outcome variables MSD
	Strain	Low back	Upper back	Neck	Shoulders
Bullying	2.539***	0.474*	0.534**	0.371*	0.209
Strain	—	0.046**	0.042**	0.040*	0.021
Physical demand	3.795***	0.888***	0.634***	0.524***	0.959***
Age	0.126***	−0.003	0.022	0.017	0.056***
Gender (1 = male)	−1.261	−0.671*	−0.506*	−1.169***	−0.571*
Role (1 = employee)	0.604	0.535	0.366	0.224	0.066
Contract (1 = part-time)	−0.062	−0.132	0.222	−0.042	0.108

Notes: coefficients are not standardized. ^*** P < 0.001; ^** P < 0.01; ^* P < 0.05.