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. 2018 Feb 20;110(8):880–887. doi: 10.1093/jnci/djx293

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© The Author(s) 2018. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — Proportion of participants reporting clinically significant insomnia severity (Insomnia Severity Index > 10), impaired sleep quality (Pittsburgh Sleep Quality Index > 5), clinically significant fatigue (FACIT Fatigue Scale < 34), and poor sleep efficiency (sleep efficiency < 85%) at baseline, post-treatment, and follow-up (generalized estimating equation; time × group interactions). All statistical tests were two-sided. FACIT-F = Functional Assessment of Chronic Illness Therapy Fatigue Scale; GEE = generalized estimating equation; ISI = Insomnia Severity Index; PSQI = Pittsburgh Sleep Quality Index; SE = sleep efficiency.