Performance of a two-item sleep quality measure (PSQI-2): a comprehensive evaluation in a multiethnic cohort (MESA Study)

Key Points

• The two-item sleep quality measure effectively assesses sleep quality across a diverse population in the MESA study.
• An accuracy rate of over 80% was noted in detecting poor sleep quality, confirming its reliability.
• Cohort analysis included participants from various ethnic backgrounds, enhancing the measure's applicability.
• Findings highlight the importance of developing validated tools that can be used in multicultural settings.