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. 2016 Sep 5;5:132. Originally published 2016 Feb 3. [Version 2] doi: 10.12688/f1000research.7694.2

Table S2. Univariate series analysis for predicting percent sleep stage by mouth guard setting.

Variable Mean (%) Wake
estimate bc
(SE)
p-value Mean (%) Light
estimate bc
(SE)
p-value
μ 0 15.6 0.52 (0.04) < 1.9e-14 33.3 0.19 (0.01) < 2e-16
β MG0 x 7.4 -0.12 (0.04) 0.0021
β MG4 x 4.6 -0.18 (0.04) 0.0002 39.3 0.05 (0.02) 0.0089
β MG6 x 2.7 -0.24 (0.06) 0.0004 39.0 0.05 (0.02) 0.0185
βNight 16.0 0.01 (0.00) 0.0146
bc: exponent = 0.355 bc: exponent = 1.5
Adjusted R2: 0.3310 Adjusted R2: 0.1875
p-value = 0.0022 p-value = 0.0123

Adjusted mean in percent, transformed mean estimate bc, standard error (SE) and p-value (Pr > |t-value|). R2: R-squared; bc: Box-Cox transformed variable raised to exponent given in final model. Back-transformation to original units was performed (after adjustments relative to intercept) by taking the nth (exponent) root of estimate.