The Pittsburgh Sleep Quality Index: Reliability, Factor Structure, and Related Clinical Factors among Children, Adolescents, and Young Adults with Chronic Pain.

Sleep Disord · 2021 · PMC8096592 · PMID 33996158

Europe PMC DOI

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moderately significantp < .001actually significant

The analyses yielded moderately significant correlations between poor sleep quality and functional disability ( r = .52, p < .001) and anxiety and depression ( r = .43, p < .001), as well as weak but significant correlations with pain intensity ( r = .23, p < .001) and participant age ( r = .18, p < .001).

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