. Author manuscript; available in PMC: 2015 Feb 1.

Published in final edited form as: J Sleep Res. 2013 Aug 29;23(1):84–93. doi: 10.1111/jsr.12083

Table 4. Regression (final step) of REM Sleep % on FMD (n=100): lower %REM correlated with lower endothelial funtion.

Predictors	ΔR²	ΔF	ΔF p value	B (SE)	Standard Beta	Beta p value
Step 1: Covariates	.25	3.88	.001
a) Sex				.153(.04)	0.37	.000
b) Age				.002(.00)	0.10	.368
c) Race				−.051(.02)	−0.24	.016
d) Hypertension				.100(.07)	0.16	.132
e) Body Mass Index				−.010(.01)	−0.21	.078
f) Apnea-Hypopnea Index				−.004(.00)	−0.15	.143
g) Income				.031(.05)	0.06	.541
h) Current Smoker				.053(.07)	−0.07	.454
Step 2: %REM Sleep	.04	5.42	.022*	.009(.00)	0.25	.022*