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. Author manuscript; available in PMC: 2008 Jul 31.
Published in final edited form as: J Pediatr Psychol. 2007 Oct 18;33(4):358–367. doi: 10.1093/jpepsy/jsmo86

Table I.

Mean Reports of Sleep and Caffeine Use in the Natural Environment by Diagnostic Group at Baseline and Week 8

MDD
 Low-risk
Baseline Week 8 Baseline Week 8
Caffeine use
  M 5.33 1.63 1.22 0.52
  SD 10.47 3.77 1.86 0.99
Sleep quality
  M 60.06 67.24 77.00 80.94
  SD 22.59 21.32 16.98 17.78
Difficulty waking
  M 51.55 61.43 70.73 70.63
  SD 24.72 23.28 20.49 21.09
Nighttime awakenings
  M 1.51 4.10 0.38 2.11
  SD 1.27 4.77 0.45 2.83
Minutes to sleep
  M 33.03 21.26 12.27 9.89
  SD 46.31 21.21 8.80 9.31