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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: J Intellect Disabil Res. 2018 Apr 25;62(6):569–580. doi: 10.1111/jir.12496

Table 1.

Mean scores for measures of sleep and child neuropsychology assessments.

Mean (SD) Range
Parent report (subscale mean 1–3)
  CSHQ Duration* 1.42 (0.60) 1.0 – 3.0
  CSHQ Parasomnias 1.35 (0.29) 1.0 – 2.0

Actigraphy
  Sleep period (minutes) 551.34 (38.35) 466.43 – 618.64
  Sleep efficiency (percent) 87.08 (5.89) 72.49 – 95.51

BRIEF Parent (t-score)
  Inhibit 63.60 (13.16) 41–88
  Shift 61.43 (11.33) 40–83
  Working Memory 62.27 (10.16) 36–82

BRIEF Teacher (t-score)
  Inhibit 69.84 (17.12) 44–112
  Shift 64.96 (18.75) 42–114
  Working Memory 74.92 (13.40) 50–99

Neuropsychology Battery
  Inhibitory Control
    Ratio speed/correct Cat-Dog* 3.58 (3.53) 0.19–18.00
    Ratio speed/correct Day-Night 2.26 (1.28) 0.88–5.75
  Shifting
    Number incorrect 8.12 (6.11) 0–20
  Working Memory
    SB5 Standard Score* 52.83 (8.01) 43–80
    SB5 Nonverbal Standard Score* 2.63 (2.66) 1–12
    SB5 Verbal Standard Score* 1.07 (0.25) 1–2
    SB5 Nonverbal Raw Score 11.13 (4.46) 2–21
    SB5 Verbal Raw Score 6.17 (3.05) 0–12

Note: CSHQ scores reflect the total score divided by the number of items to achieve an item mean. Actigraphy measures are averaged over the week the actigraph is worn.

*

not used in final analyses