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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Sleep Breath. 2016 Oct 22;20(4):1319–1326. doi: 10.1007/s11325-016-1418-9

Figure 2. Relation between Self-reported Pittsburgh Sleep Quality Index (PSQI) Global Score and Risk of Suicidal Ideation (solid line) with 95% Confidence Interval (dotted lines)a.

Figure 2

aVertical bars along PSQI axis indicate distribution of study subjects.