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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Res Nurs Health. 2017 Apr 21;40(4):294–310. doi: 10.1002/nur.21797

Figure 4.

Figure 4

Changes in Sleep-related Variables During Hospitalization by Intervention Group

Note.

aThe trajectories are shown for Black infants (ECL: n=39, LCL: n=32); they are shifted up by 1.35 for non-Black infants (ECL: n=14, LCL: n=21; p = .098).b The trajectories are shown for infants with caffeine treatment; they are shifted up by 2.01 for the cases without caffeine (p = .026). PMA = postmenstrual age, ECL = early cycled light, LCL = late cycled light