Reliability and validity of the Pittsburgh Sleep Quality Index among frontline COVID-19 health care workers using classical test theory and item response theory.
Wang L, Wu YX, Lin YQ, Wang L, Zeng ZN, Xie XL, Chen QY, Wei SC.
Wang L, et al.
J Clin Sleep Med. 2022 Feb 1;18(2):541-551. doi: 10.5664/jcsm.9658.
J Clin Sleep Med. 2022.
PMID: 34534069
Free PMC article.
CONCLUSIONS: The original PSQI showed acceptable applicability in frontline COVID-19 medical staff, and its characteristics moderately improved after the "daytime dysfunction" subscale was removed. CITATION: Wang L, Wu Y-X, Lin Y-Q, et al. Reliability and val …
CONCLUSIONS: The original PSQI showed acceptable applicability in frontline COVID-19 medical staff, and its characteristics moderately impro …