Table 5.

Correlations of anthropometric measurements with sleep parameters and 24-h urinary catecholamines at follow-up (wave 2)

	BMI	Waist/hip ratio	Systolic blood pressure	Diastolic blood pressure
Nocturnal time in bed	−0.00	0.08	−0.09	−0.03
Nocturnal sleep duration	−0.02	0.05	−0.10	−0.05
Sleep efficiency (%)	−0.05	−0.15	−0.12	−0.13
Sleep onset latency	0.22*	0.22*	0.27**	0.31**
Wake after sleep onset	0.01	0.21*	0.07	0.06
Nocturnal sleep duration + nap duration	0.04	0.01	0.21	0.08
24-h epinephrine	0.08	0.30**	0.01	0.12
24-h norepinephrine	0.20	0.29**	0.16	0.29**
3-day morning salivary cortisol	−0.028	0.071	−0.012	−0.123

Pearson correlation coefficients

^*P < 0.05,

^**P < 0.01.