Table 2.

Regression of laboratory cortisol AUCi on cortisol AUC over the day.

	Unstandardised regression coefficient B	95% C.I.	Standard error (bootstrap)	p
Sexa	0.003	−.077 to .082	.041	0.95
Age	0.005	−.003 to .012	.004	0.26
Grade dummy High/intermediate vs lowb	0.148	.046–.229	.051	0.004
Grade dummy High vs intermediate/lowc	−.026	−.117 to .064	.046	0.57
Paid employmentd	−.007	−.118 to .104	.057	0.89
Smoking statuse	0.237	.057–.417	.092	0.010
BMI	0.010	−.002 to .022	.006	0.098
Time of testingf	0.086	.004–.168	.042	.041
Laboratory AUCi	0.212	.143–.282	.035	0.001

^aMen are the reference group.

^bHigh/intermediate grade is the reference category.

^cHigh is the reference category.

^dNot being in work is the reference category.

^eNot being a smoker is the reference category.

^fMorning testing is the reference category.