Is burnout a mediating factor between sharps injury and work-related factors or musculoskeletal pain?

Table 2 Sites of musculoskeletal pain and factor analysis of the Nordic musculoskeletal questionnaire, n (%)

Pain site	Pain past 12 months	FMS pain	Factor loadings
	Subjects	Subjects	Factor 1: Upper torso	Factor 2: Lower limb	Factor 3: Upper limb
Neck	636 (36.68)	405 (23.36)	0.29	-0.04	-0.05
Left shoulder	370 (21.34)	234 (13.49)	0.27	-0.06	-0.03
Right shoulder	444 (25.61)	283 (16.32)	0.29	-0.05	-0.02
Upper back	327 (18.86)	210 (12.11)	0.19	0	0.01
Waist or lower back	529 (35.01)	300 (17.30)	0.12	0.02	0
Left elbow	65 (3.75)	35 (2.02)	-0.03	-0.02	0.25
Right elbow	126 (7.27)	81 (4.67)	-0.01	-0.04	0.27
Left wrist	103 (5.94)	67 (3.86)	-0.03	0	0.24
Right wrist	205 (11.82)	110 (6.34)	-0.02	-0.04	0.31
Left hip/thigh/buttock	70 (4.04)	48 (2.77)	-0.04	0.19	0.04
Right hip/thigh/buttock	70 (4.04)	45 (2.60)	-0.04	0.19	0.05
Left knee	95 (5.48)	51 (2.94)	0.04	0.2	-0.09
Right knee	88 (5.08)	51 (2.94)	0.02	0.29	-0.11
Left ankle	42 (2.42)	31 (1.79)	-0.06	0.23	0
Right ankle	51(2.94)	39 (2.25)	-0.05	0.21	0
Eigenvalues			4.02	1.26	0.47
Explained variation (%)			73.86	23.11	8.67

The relatively large factor loading values were marked in bold for corresponding to musculoskeletal pain sites.