Journal article
Dimensionality of the Pittsburgh Sleep Quality Index: a systematic review
Abstract
BackgroundThe Pittsburgh Sleep Quality Index (PSQI) dimensionality is much debated, with the greatest number of reported factor structures. Therefore, this review appraised the methodologies of studies investigating the factor structure of the PSQI.Material and methodsMEDLINE, PsycInfo, AJOL, BASE, Cochrane Library, Directory of Open Access Journals (Lund University), CINAHL, and Embase were searched systematically to include articles published …
Authors
Manzar MD; BaHammam AS; Hameed UA; Spence DW; Pandi-Perumal SR; Moscovitch A; Streiner DL
Journal
Health and Quality of Life Outcomes, Vol. 16, No. 1,
Publisher
Springer Nature
Publication Date
December 2018
DOI
10.1186/s12955-018-0915-x
ISSN
1477-7525