Psychometric properties of the two-item Pittsburgh Sleep Quality Index (PSQI-2) in a cohort of community-dwelling older men: the MrOS sleep study
Abstract The Pittsburgh Sleep Quality Index (PSQI) is widely used, but can be impractical in large studies due to its length. The two-item version (PSQI-2) is a promising alternative, with underexplored longitudinal properties in older adults. We evaluated its validity against the full PSQI in the M...
Kaydedildi:
| Yazar: | |
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| Materyal Türü: | Artigo |
| Dil: | Inglês |
| Baskı/Yayın Bilgisi: |
Nature Portfolio
2026-03-01
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| Seri Bilgileri: | npj Biological Timing and Sleep |
| Online Erişim: | https://doi.org/10.1038/s44323-025-00069-7 |
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