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. Author manuscript; available in PMC: 2021 Sep 1.

Published in final edited form as: Behav Sleep Med. 2019 Sep 19;18(5):690–704. doi: 10.1080/15402002.2019.1665049

Figure 1. — Nonlinear effect for standardized sleepiness² and sex predicting (A) internalizing symptoms, (B) depression, and (C) anxiety. Points were plotted at ± 1.5 SDs for standardized sleepiness. Peaks and troughs of nonlinear curves are represented in SDs with raw scores in parentheses. Internalizing symptoms were derived with YSR (T scores); depression symptoms were derived with CDI; anxiety symptoms were derived with RCMAS-2.

Figure 1. — Nonlinear effect for standardized sleepiness² and sex predicting (A) internalizing symptoms, (B) depression, and (C) anxiety. Points were plotted at ± 1.5 SDs for standardized sleepiness. Peaks and troughs of nonlinear curves are represented in SDs with raw scores in parentheses. Internalizing symptoms were derived with YSR (T scores); depression symptoms were derived with CDI; anxiety symptoms were derived with RCMAS-2.