The Barcelona Brain Health Initiative: Cohort description and first follow-up.

PLoS One · 2020 · PMC7012435 · PMID 32045448

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a slight trendno p-value reported

Scores on the Jenkins Sleep Evaluation Questionnaire (8.5 ± 3.8) and Pittsburg Sleep Quality Index (5.7 ± 2.9) indicate a slight trend to poor sleep quality [ 34 ].

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