Table 3.

Associations between cortisol and change in cognition over time

	Memory (n=49)			Processing speed (n=45)
	b	95% CI	p	b	95% CI	p
Awakening cortisol (t1)	0.02	−0.31 to 0.34	0.918	−0.05	−0.39 to 0.30	0.792
Bedtime cortisol (t6)	−0.03	−0.21 to 0.14	0.693	−0.02	−0.20 to 0.15	0.795
Cortisol awakening response	−0.02	−0.18 to 0.15	0.840	0.03	−0.14 to 0.19	0.760
Daily cortisol output	−0.09	−0.36 to 0.19	0.528	−0.02	−0.30 to 0.26	0.862
Cortisol AM/PM ratio (t1/t6)	0.09	−0.17 to 0.34	0.510	−0.02	−0.28 to 0.24	0.895

Results based on linear regressions. All analysis adjusted for age, sex and education. *p<0.05, **p<0.01; ***p<0.001.