TABLE 6

Sleep variables predicting metabolic outcomes

Model	Variable entered	Variable standardised β-coefficient	β-coefficient p-value	Overall model adjusted R²
Fasting insulin^#	BMI	0.158	0.001	0.033
	Spontaneous ArI	0.101	0.03
HOMA-IR	BMI	0.179	≤0.0005	0.042
	Spontaneous ArI	0.111	0.02
McAuley index	Total ArI	−0.124	0.01	0.01
	Age	−0.094	0.06
	BMI	−0.10	0.06
Fasting glucose	TST	−0.186	≤0.0005	0.032
HDL	TST	−0.098	0.04	0.007

BMI: body mass index; ArI: arousal index; HOMA-IR: homeostasis model assessment of insulin resistance; TST: total sleep time; HDL: high-density lipoprotein. ^#:: natural log-transformed for nonnormal distribution.