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. Author manuscript; available in PMC: 2021 Feb 13.
Published in final edited form as: J Aging Health. 2019 Jul 22;32(9):926–936. doi: 10.1177/0898264319863994

Table 5.

Daily Advice Predicting Midlife Adults’ Diurnal Cortisol.

CAR
DEC
AUC
Variable B SE B SE B SE

Fixed effects
 Intercept 0.66 0.85 −0.05 0.05 47.29*** 8.52
 Same-day support provision
  Advice to childrena 0.09 0.11 0.00 0.01 −0.20 0.82
  Advice to parenta −0.20 0.14 0.01 0.01 0.73 0.99
  Prior-day support provision
  Advice to childrena 0.13 0.11 −0.01* 0.01 0.15 0.77
  Advice to parenta 0.04 0.15 0.00 0.01 2.24* 1.01
 Control variables
  Genderb −0.20 0.11 0.01 0.01 2.09 1.12
  Age 0.03* 0.01 −0.00 0.00 0.15 0.13
  Years of education 0.02 0.03 −0.00 0.00 −0.58 0.20
  Employment statusc −0.00 0.00 0.00 0.00 0.07 0.04
  Neuroticismd 0.06 0.08 −0.01 0.01 −1.64* 0.83
  Health statuse −0.08 0.06 −0.00 0.00 −1.09 0.61
  Wake time 0.20*** 0.05 −0.00 0.00 −1.83*** 0.37
  Weekend dayf 0.09 0.14 −0.00 0.01 −1.08 0.99
  Sleep quality night beforeg −0.02 0.06 −0.00 0.00 0.40 0.47
  Smoked this dayh 0.09 0.18 0.03** 0.01 2.45 1.69
  Medication dayi −0.08 0.17 −0.01 0.01 0.41 1.66
Random effects
 Intercept VAR 0.00 0.06 0.00*** 0.00 27.22*** 5.35
 Residual VAR 1.08*** 0.10 0.00*** 0.00 34.20*** 3.33
−2 log likelihood 1,104.5 −1,096.8 2,433.1

Note. Participants N = 151; N = 558 days; CAR = cortisol awakening response; DEC = daily decline; AUC = area under the curve; VAR = variance.

a

Support was coded 0 = no support given, 1 = support given.

b

Gender was coded 0 = female, 1 = male.

c

Employment status was coded 0 = not working full-time, 1 = employed full-time.

d

Neuroticism was calculated averaging ratings of four items (e.g., moody, worrying, nervous, calm) from 1 = not at all to 5 = a great deal.

e

Health status was rated from 1 = poor to 5 = excellent.

f

Weekend day was coded 0 = weekday, 1 = weekend day.

g

Sleep quality night before was rated from 1 = poor to 5 = excellent.

h

Smoked this day was coded 0 = no, 1 = yes.

i

Medication day was coded 0 = no, 1 = yes.

*

p < .05.

**

p < .01.

***

p < .001.