Table 3.

Psychosocial risk factors by WRMSDs among nurses

Psychosocial risk factors	WRMSDs [Mean (SD)]
	Total (n = 376)	Yes (n = 275)	No (n = 101)	P-value +
Decision latitudea	64.64 (6.09)	64.63 (6.28)	64.70 (5.55)	0.97
Psychological job demanda	18.34 (3.66)	18.09 (3.59)	19.00 (3.80)	0.03*
Social supporta	23.88 (2.24)	23.85 (2.37)	24.93 (1.86)	0.44
Job insecuritya	6.33 (0.77)	6.35 (0.80)	6.30 (0.67)	0.59
	% (n)
Job strain median splitb	17.3 (65)	15.6 (43)	21.8 (22)	0.16
Job strain based on quartilesb	7.0 (28)	5.0 (15)	12.9 (13)	0.02*
Iso strain median splitb	3.5 (13)	2.9 (8)	5.0 (5)	0.34
Iso strain based on quartilesb	3.5 (13)	2.0 (11)	4.0 (2)	0.33

*p < 0.05 indicate statistically significance differences.

⁺calculated by independent sample t test and Chi-square test.

^aContinuous variables.

^bCategorical variables.