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Confirmatory Factor Analysis of the Pittsburgh Sleep Quality Index in Rheumatoid Arthritis Patients

The purpose of this research was to evaluate the factor structure of the Pittsburgh Sleep Quality Index (PSQI) in rheumatoid arthritis (RA). The sample included 107 patients with RA, 88 females and seven males, with an average age of 56.09 years, recruited from the greater Southern California area....

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Bibliografiske detaljer
Udgivet i:Behav Sleep Med
Main Authors: Nicassio, Perry M., Ormseth, Sarah R., Custodio, Mara K., Olmstead, Richard, Weisman, Michael H., Irwin, Michael R.
Format: Artigo
Sprog:Inglês
Udgivet: 2013
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC4285368/
https://ncbi.nlm.nih.gov/pubmed/23390921
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1080/15402002.2012.720315
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