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Table 2 Means, standard deviations (SD), and correlations between continuous variables

From: The association between occupational stress and depressive symptoms and the mediating role of psychological capital among Chinese university teachers: a cross-sectional study

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
  1. CES-D: the Center for Epidemiologic Studies Depression Scale; ERR: effort–reward ratio.
  2. PsyCap: psychological capital.
  3. **p < 0.01 (two-tailed).