Table 2.

Correlation analysis results indicating correlations among explanatory variables, mediation variable and response variables.

	Fatigue	Anxiety	Depression	PTSD
Total work days	0.149***	0.105***	0.099**	0.058**
Work hours per day#	157.409***	48.786***	49.304***	37.230***
Continuous working hours#	89.641***	17.729***	23.791***	14.892***
Social support	−0.157***	−0.199***	−0.205***	−0.169***
Occupational protection#	35.944***	51.345***	55.176***	37.756***
Fatigue		0.370***	0.398***	0.325***

^**P < 0.01,

^***P < 0.001; # F-value of one-way ANOVA test was reported for categorical variables.