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. 2021 Mar 1;147(3):e2020009936. doi: 10.1542/peds.2020-009936

FIGURE 4.

FIGURE 4

Objective performance measures and subjective sleepiness ratings during the traditional EDWR and intervention RCWR schedules across the 4-week study. Least-square means (± SE) are estimated from the mixed-effects model under the EDWR (white triangles) and RCWR (black triangles) schedules for attentional failures (A) (lapses, reaction time >500 milliseconds), reaction time (B), slowest 10% reaction time (C), and subjective sleepiness ratings (D) plotted across the 4-week rotation. *P < .05, significant differences between conditions at each time point with Tukey-Kramer adjusted post hoc analysis. Sched*Week, interaction between the fixed effects schedule and week.