Table 1.
Men | Women | p | |
---|---|---|---|
N | 2541 | 688 | |
Age, M (SD) | 60.8 (5.8) | 61.1 (5.9) | 0.25 |
High education, % | 33.8 | 19.8 | <0.001 |
White, % | 95.0 | 88.8 | <0.001 |
Cortisol | |||
Waking cortisol (nmol/L), M (SD)a | 14.29 (1.80) | 13.25 (1.81) | 0.003 |
CAR (nmol/L), M (SD) | 7.09 (11.19) | 8.73 (2.73) | 0.05 |
Diurnal slope (nmol/L), M (SD) | −0.130 (0.025) | −0.133 (0.023) | 0.03 |
Bedtime cortisol (nmol/L), M (SD)a | 1.57 (2.52) | 1.69 (2.43) | 0.06 |
Mean cortisol (nmol/L), M (SD) | 7.41 (2.80) | 6.71 (2.45) | <0.001 |
Cognition | |||
Memory (range 0–20), M (SD) | 6.9 (2.3) | 7.1 (2.6) | 0.11 |
Reasoning (range 0.65), M (SD) | 46.2 (9.6) | 40.0 (11.8) | <0.001 |
Fluency (range 0.35), M (SD) | 16.0 (3.3) | 15.6 (3.8) | 0.02 |
Key: CAR, cortisol-awakening response; M, mean; SD, standard deviation.
Geometric mean.