Table 2. Associations between the cortisol time course and anthropometric, demographic, lifestyle, and experimental control factors.

	Main effect time		Interaction time × control variable		Main effect control variable
Control variable	p	ηp2	p	ηp2	p	ηp2
Sex	<0.001	0.39	0.005	0.07	0.781	0.001
Age	<0.001	0.39	0.014	0.05	0.166	0.02
BMI	0.00001	0.17	0.328	0.04	0.638	0.02
Education	0.00002	0.14	0.050	0.15	0.141	0.14
Profession	<0.001	0.21	0.137	0.11	0.332	0.09
Smoking	0.0002	0.11	0.019	0.05	0.061	0.04
Caffeine	0.000002	0.28	0.769	0.01	0.062	0.08
Alcohol	<0.001	0.34	0.687	0.004	0.380	0.01
Oral contraceptives	0.00006	0.26	0.462	0.01	0.491	0.01
Physical activity	<0.001	0.35	0.715	0.01	0.815	0.01
Chronic stress	<0.001	0.37	0.324	0.01	0.660	0.002
Time of day	0.005	0.42	0.064	0.19	0.38	0.48
SECPT-G performance	<0.001	0.30	0.792	0.002	0.865	0.0003