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. 2014 Nov 15;10(11):1223–1230. doi: 10.5664/jcsm.4208

Figure 1. Model with hopelessness mediating the relation between insomnia and suicidal ideation.

Figure 1

Hypothesized mediation model. Path a represents the relation between the predictor (insomnia) and the mediator (hopelessness), path b represents the relation between the mediator (hopelessness) and the outcome (suicidal ideation), path c represents the relation between the predictor (insomnia) and the outcome (suicidal ideation), and path c' represents the relation between the predictor and the outcome after controlling for the mediator.