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. Author manuscript; available in PMC: 2015 Oct 30.
Published in final edited form as: Psychiatry Res. 2014 May 27;219(2):367–371. doi: 10.1016/j.psychres.2014.05.026

Figure 1.

Figure 1

PSQI scores in individuals with cocaine and METH use disorders and controlsa

a Control data based off of Buysse et al., 1989 publication

b Number reflects global PSQI score (Mean ± SEM)

Horizontal line distinguishes the cut-off score differentiating good sleep quality (PSQI ≤5) and poor sleep quality (PSQI >5)