Table 2.

Means, standard deviations (SD), and correlations between continuous variables

Variables	Mean	SD	1	2	3	4	5
1. Age	39.15	8.02	1
2. CES-D	18.48	9.4	−0.009	1
3. ERR	−0.18	0.25	0.041	0.463**	1
4. Over-commitment	14.42	3.71	0.011	0.382**	0.654**	1
5. PsyCap	4.26	0.78	0.077**	−0.461**	−0.442**	−0.326**	1

CES-D: the Center for Epidemiologic Studies Depression Scale; ERR: effort–reward ratio.

PsyCap: psychological capital.

**p < 0.01 (two-tailed).