Table 3.

Mean, standard deviation (SD) and correlation matrix

	Mean	SD	1	2	3	4	5	6	7	8
ER ratio	1.00	0.37	–
Overcommitment	17.88	4.21	0.40†	–
Psychosomatic symptoms	41.81	14.87	0.30†	0.34†	–
Strain	1.66	0.21	0.18*	0.04	0.06	–
Distributive justice	15.60	4.12	–0.54†	–0.25†	–0.32†	–0.27†	–
Procedural justice	12	3.47	–0.37†	–0.11	–0.13	–0.34†	0.56†	–
Informational justice	18.96	5.36	–0.45†	–0.25†	–0.12	–0.35†	0.51†	0.81†	–
Interpersonal justice	18.33	4.07	–0.40†	–0.38†	–0.15*	–0.31†	0.35†	0.59†	0.67†	–

*p < 0.05; ^†p < 0.01.

ER, effort-reward.