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April 17, 2026Medicina0 citationsOpen Access

PEACE: Development and Validation of a Brief Five-Item Sleep Quality Scale for Community and Primary Care

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GLGiuseppe Di LorenzoLSLuca ScafuriFPFrancesco Passaro

Key Points

  • To develop and assess a brief scale measuring sleep quality in community-dwelling adults and its relationship with well-being and fatigue.
  • Cross-sectional online survey with 312 adults in Italy
  • Participants completed the PEACE scale, WHO-5, and a fatigue questionnaire
  • Sample divided into exploratory and confirmatory subsamples for factor analyses
  • Factor analyses confirmed a single total score with acceptable reliability
  • Higher PEACE scores correlated with better well-being and lower fatigue
  • Including PEACE in predictive models significantly increased explained variance for well-being

Abstract

Background and Objectives: Poor sleep is common in community and primary-care settings, yet very brief sleep measures suitable for routine use remain limited. We developed and evaluated the five-item Promoting Evaluation and Awareness of Comfort in Sleep (PEACE) scale and examined its associations with well-being and fatigue. Materials and Methods: In a cross-sectional, clinician-mediated online survey, 312 community-dwelling adults in Italy who were not receiving active treatment for major diseases completed PEACE, the World Health Organization-Five Well-Being Index (WHO-5), and a short fatigue questionnaire. The sample was stratified and split into exploratory and confirmatory subsamples for factor analyses. Results: Factor analyses supported the use of a single total score and showed acceptable reliability. Results were broadly similar in women and men, with no evidence of item-level bias, although some model-comparison indices were mixed. Higher PEACE scores were associated with better well-being and lower fatigue. Adding PEACE to a model predicting well-being from body mass index and sex increased explained variance from 4.0% to 11.5%. Conclusions: PEACE is a brief sleep-quality measure with promising initial psychometric properties. In this sample, it was associated with well-being and fatigue and may add information beyond body mass index and sex in community and primary-care settings.

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Cite This Study

Lorenzo et al. (2026) studied this question.

synapsesocial.com/papers/69e1ce065cdc762e9d8572d9https://doi.org/10.3390/medicina62040757
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