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Table 3 Association of high academic performance with sleep quality and the academic year (n = 95)

From: A cross-sectional survey on sleep quality, mental health, and academic performance among medical students in Saudi Arabia

  N Univariate Multivariate
OR 95% CI OR 95% CI
Sleep quality
 Poor sleep 60 0.42* 0.17–0.99 0.39 0.15–1.00
 Good sleep 35 1.00 Ref 1.00 Ref
Academic year
 PYP 19 0.19** 0.05–0.66 0.31 0.07–1.30
 Clinical year 26 0.84 0.32–2.19 0.50 0.11–2.22
 Preclinical year 50 1.00 Ref 1.00 Ref
  1. Models were additionally adjusted for the following variables: age, gender, and Quran memorization. *p-value < 0.05; **p-value < 0.01