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Table 2 Multiple regression analysis between serum cortisol levels (Timepoint 1) as the dependent variable with age, sex, BMI, hypertension, diabetes, dyslipidemia and blood collection time as the independent variables

From: Association between cortisol and aging-related hippocampus volume changes in community-dwelling older adults: a 7-year follow-up study

  estimate T P lower 95% CI upper 95% CI β
Age 0.15 0.25 0.80 -1.06 1.36 0.03
Sex (Women) 1.96 0.63 0.53 -4.24 8.17 0.08
BMI -0.10 -0.13 0.90 -1.72 1.51 -0.02
Hypertension (Yes) -2.87 -1.11 0.27 -8.07 2.33 -0.14
Diabetes (Yes) 6.66 2.08 0.04 0.24 13.07 0.27
Dyslipidemia (Yes) -2.82 -1.00 0.32 -8.45 2.81 -0.14
Blood collection time (AM) 2.19 0.86 0.39 -2.89 7.27 0.11
  1. R2 = 0.10
  2. 95% CI 95% Confidence interval, β standard partial regression coefficient