Dimensionality of the Pittsburgh Sleep Quality Index: a systematic review
Abstract Background The 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 methods MEDLINE, PsycInfo,...
Main Authors: | Md Dilshad Manzar, Ahmed S. BaHammam, Unaise Abdul Hameed, David Warren Spence, Seithikurippu R. Pandi-Perumal, Adam Moscovitch, David L. Streiner |
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Format: | Article |
Language: | English |
Published: |
BMC
2018-05-01
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Series: | Health and Quality of Life Outcomes |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s12955-018-0915-x |
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