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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Contemp Clin Trials. 2013 Jun 28;36(1):10.1016/j.cct.2013.06.014. doi: 10.1016/j.cct.2013.06.014

Table 1.

Differences in selected outcome variables which would be significantly different with the proposed sample size.


Variable		 SD H1: Difference
Yielding Effect
of TIB
Restriction in
Average
Sleepers		 H2: Difference
Yielding
Effect of TIB
Restriction in
Long Sleepers		 H3
H4:Difference
Yielding Main
Effect or
Interaction		 Clinical Relevance
Fast Glucose 15 100 vs. 112 mg/dl 100 vs. 110 mg/dl 100 vs. 105 mg/dl 110–125 mg/dl is “high”
Gluc Tol. 25 100 vs. 120 mg/dl 100 vs. 116 mg/dl 100 vs. 109 mg/dl 140–199: impaired levels
Cholesterol 20 180 vs. 196 180 vs. 193 180 vs. 187 < 200 is desirable
IL-6 1 1.88 vs. 2.66 1.88 vs. 2.51 1.88 vs. 2.15 Seen in partial sleep depriv
NFKb 0.05 0.18 vs. 0.22 0.18 vs. 0.21 0.18 vs. 0.20 Seen in partial sleep depriv
Epworth 3.5 4.5 vs. 7.3 4.5 vs. 6.8 4.5 vs. 5.8 10 is high sleepiness
GDS 5 6 vs. 10 6 vs. 10 6 vs. 8 10–19 is mild depression
SF-36 20 90 vs. 74 90 vs. 77 90 vs. 83 ↓ of ≥15 is poor response
FOSQ 10 15 vs. 7 15 vs. 8 15 vs. 11 ↓ of >10 is poor response