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. 2012 Mar 21;12:219. doi: 10.1186/1471-2458-12-219

Figure 1.

Figure 1

Theoretical model of the mediating role of psychological capital on the association between occupational stress and depressive symptoms. PsyCap: psychological capital. c: associations of ERR and overcommitment with depressive symptoms; a: associations of ERR and overcommitment with PsyCap; b: association between PsyCap and depressive symptoms after controlling for the predictor variables; c’: associations of ERR and overcommitment with depressive symptoms after adding PsyCap as a mediator.