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. 2020 Feb 27;10:3618. doi: 10.1038/s41598-020-60607-0

Table 2.

Stress measures at baseline by group.

Variable Control (n = 68) aMCI (n = 133) Mean difference (95% CI) t-test
RLCQ pts (se) 160.2 (16.2) 125.1 (9.1)

35.1 (1.2 to 69.1), P = 0.04

−7.9 (−47.4 to 31.6), P = 0.7
PSS pts (se) 12.1 (0.8) 14.6 (0.6)

2.5 (0.4 to 4.6), P = 0.02

3.4 (0.9 to 5.9), P = 0.001c
S1 (se) nmol/L 11.3 (1.1) 12.2 (0.6)

−0.9 (−3.1 to 1.2), P = 0.4

0.1 (−1.5 to 3.7), P = 0.4c
CAR (se) nmol/L 3.8 (1.0) 2.3 (0.6)

1.5 (−0.6 to 3.7,) P = 0.2

0.9 (−1.6 to 3.5,) P = 0.5c
Cortisol AUC (se) nmol/L 124.5 (7.5) 145.3 (8.8)

20.8 (−4.5 to 46.1), P = 0.1

29.2 (−0.3 to 58.7), P = 0.05c

RLCQ = Recent Life Changes Questionnaire; PSS = Perceived Stress Scale; S1 = Awakening cortisol sample; CAR = Cortisol awakening response; cortisol AUC = area under daytime cortisol curve. cCorrected for age and gender.