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. 2019 Jan 15;15(1):55–63. doi: 10.5664/jcsm.7570

Figure 1. Proposed cross-sectional and longitudinal mediation models.

Figure 1

(A) Cross-sectional mediation model. (B) Longitudinal mediation model. DSI-SS = Depressive Symptom Inventory—Suicidality Subscale, ISI = Insomnia Severity Index, T1 = time 1 (baseline), T2 = time 2 (1-month follow-up), T3 = time 3 (2-month follow-up).