ArticleJournal of clinical medicine2022
Psychometric Properties of the Pittsburgh Sleep Quality Index (PSQI) in Patients with Multiple Sclerosis: Factor Structure, Reliability, Correlates, and Discrimination.
Article in Journal of clinical medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07536503 (Effects of Sleep Quality on Cognitive Flexibility, Physical Activity, Body Awareness, and Reaction Time in Multiple Sclerosis), which is not on this map. Cited by 26 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Effects of Sleep Quality on Cognitive Flexibility, Physical Activity, Body Awareness, and Reaction Time in Multiple Sclerosis
Who cites it
26 citing papers in PubMed, 54 citations in OpenAlex.
- Trial
- Assessment of intercostal nerve block analgesia and local anesthetic infiltration for thoracoscopic pulmonary bullae resection: a comparative study.Journal of cardiothoracic surgery · 2024Trial
- Human Umbilical Cord-Derived Mesenchymal Stem Cells in the Treatment of Multiple Sclerosis Patients: Phase I/II Dose-Finding Clinical Study.Cell transplantationTrial
- Psychometric Evaluation of the Pittsburgh Sleep Quality Index in Family Caregivers.Journal of nursing measurement · 2026Article
- Sleep Quality in Shift-Working Nurses: Subjective and Objective Evaluation.International journal of environmental research and public health · 2025Observational
- Sleep Hygiene, Sleep Quality, and Psychological Stress Among Adults With Cardiovascular Risk.Research in nursing & health · 2025Article
- Multidimensional Impairment in Multiple Sclerosis: Physical Disability, Cognitive Dysfunction, Sleep Disturbance, Fatigue, Depression, and Their Impact on Quality of Life-A Possible Common Pathological Pathway.Neurology international · 2025Article
- Disability and Non-Motor Symptoms in Multiple Sclerosis: Exploring Associations and Predictive Factors.Brain sciences · 2025Article
- Longitudinal changes in sleep quality, and their predictors in patients with multiple sclerosis.Scientific reports · 2025Article
- Validation of the eHealth Literacy Scale Instrument in a Restless Legs Syndrome Population: Classical Test Theory and Rasch Analysis Study.Journal of medical Internet research · 2025Article
- Plasma Neurofilament Light Chain Is Associated with Cognitive Functions but Not Patient-Reported Outcomes in Multiple Sclerosis.Neurology international · 2025Article
- Sleep Quality and Mental Health Among Medical Students: A Cross-Sectional Study.Journal of clinical medicine · 2025Article
- Impact of Whole-Body Cryotherapy on Pain, Sleep Quality, Functional Status, and Quality of Life in Multiple Sclerosis: A Comparative Study with Follow-Up.Journal of personalized medicine · 2025Article
- Association between sleep quality and MCI in older adult patients with multimorbidity.Frontiers in public health · 2025Article
- Effects of multi-disciplinary team nursing model combined with high-fiber dietary intervention on blood glucose level and nutritional status in elderly type 2 diabetes patients: a prospective clinical trial.Frontiers in medicine · 2025Article
- Characteristics and correlations of sleep disorders in patients with relapsing-remitting multiple sclerosis in China: a cross-sectional study.Frontiers in neurology · 2025Article
- Association between sleep quality and living environment among Chinese older persons: a cross-sectional study.Sleep and biological rhythms · 2024Article
- The multidimensional sleep health of individuals with multiple sclerosis and Huntington's disease and healthy controls.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2024Article
- The association of comorbidities with sleep quality among Australians with multiple sclerosis: Insights from the Australian Multiple Sclerosis Longitudinal Study.Multiple sclerosis (Houndmills, Basingstoke, England) · 2024Article
- The Association between Sleep Quality and Depressive Symptoms among Stroke Survivors and Caregivers.Healthcare (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sleep disturbances and poor sleep are a common complaint in the population with multiple sclerosis (MS) disease. The most commonly reported scale is the Pittsburgh Sleep Quality Index (PSQI), measuring seven components of sleep quality. Yet, till today, the PSQI instrument has not been validated in people with multiple sclerosis (pwMS). The objective of our study was to add precision in sleep quality assessment by investigating the psychometric properties of PSQI (factor structure, reliability, validity based on relations with other variables, cut-off scores) in pwMS. The cross-sectional study included data on a total of 87 patients with MS and 216 control subjects. Demographic information, education level, and MS-related variables were ascertained. Psychometric properties were examined by estimating the validity, including factor structure, metric invariance, and relations with other MS- and non-MS-related variables, reliability, and discrimination ability of the PSQI. The Croatian version of the PSQI had a two-factor structure which demonstrated loading and partial intercept invariance between pwMS and the control group. The global score and both subscales had high internal consistencies (McDonald's omega and Cronbach's alpha coefficients) in pwMS and showed expected relations with demographic and MS-related variables. PwMS differed significantly in the PSQI global score from the control groups, although receiver operating characteristics (ROC) curve analysis did not indicate a clear cut-off point. The PSQI is a reliable and valid scale and can be applied in clinical settings for assessing sleep quality in pwMS.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.