Validating a Shift Work Disorder Measure and Its Links to Social and Psychological Factors in Nurses
Updated
Abstract
Fourteen percent of shift-working nurses may have probable shift work sleep disorder, as indicated by the Shift Work Disorder Index.
- The Shift Work Disorder Index demonstrated excellent internal consistency with a reliability score of α = .94.
- Thirty-one percent of the nurse sample reported being past-month shift workers.
- Among shift workers, 44% were identified as having probable shift work sleep disorder based on the index.
- Nurses with shift work or probable shift work sleep disorder reported greater evening preference and more sleep-related issues.
- Shift work and probable shift work sleep disorder were linked to increased symptoms of depression, anxiety, and stress.
- Actigraphy and sleep diaries indicated that affected nurses had shorter sleep duration and lower sleep efficiency.
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Funding
Competing interests
All authors have seen and approved the manuscript. Work for this study was performed at the Department of Psychology, University of North Texas, Denton, TX. This study was funded by the National Institute of Allergy and Infectious Diseases, 1R01AI128359-01 (Principal Investigators: Taylor and Kelly). The sponsor had no role in the collection, analysis, or interpretation of data. Dr. Dietch was supported by 2T32MH019938-26A1 (Principal Investigator: Schatzberg). The authors report no conflicts of interest.
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