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Table 3 Comparisons of body composition between quartiles of morning salivary cortisol in men and women.

From: Salivary cortisol differs with age and sex and shows inverse associations with WHR in Swedish women: a cross-sectional study

  WHR Waist circumference
  n m sd p n m sd p
Women         
Adjusted for age         
qrtl 1 morning cortisol 188 0.843 0.069 ref. 188 86.63 13.52 ref.
qrtl 2 morning cortisol 230 0.838 0.076 0.492 230 85.90 13.53 0.585
qrtl 3 morning cortisol 203 0.826 0.071 0.025 203 83.99 13.52 0.055
qrtl 4 morning cortisol 217 0.827 0.074 0.036 217 84.74 13.54 0.163
Test for linearity:         
between quartiles     0.013     0.079
continuously     0.006     0.024
Adjusted for model 2a         
qrtl 1 morning cortisol 176 0.842 0.080 ref. 188 86.11 13.82 ref.
qrtl 2 morning cortisol 224 0.836 0.075 0.379 230 85.66 13.53 0.740
qrtl 3 morning cortisol 198 0.826 0.070 0.038 203 84.04 13.55 0.137
qrtl 4 morning cortisol 210 0.827 0.072 0.038 217 84.49 13.60 0.237
Test for linearity:         
between quartiles     0.019     0.135
continuously     0.012     0.075
Men         
Adjusted for age         
qrtl 1 morning cortisol 193 0.945 0.056 ref. 193 94.61 10.03 ref.
qrtl 2 morning cortisol 240 0.939 0.062 0.275 240 93.96 9.99 0.498
qrtl 3 morning cortisol 210 0.945 0.058 0.979 210 94.55 10.00 0.950
qrtl 4 morning cortisol 190 0.945 0.055 0.913 190 94.92 9.99 0.763
Test for linearity:         
between quartiles     0.784     0.613
continuously     0.980     0.556
  1. Differences between quartiles (qrtl) of morning cortisol were examined by GLM (general linear model), using quartile 1 as reference.
  2. aModel 2 = age, leisure time physical activity, smoking, education, alcohol consumption, oral contraceptives, and estrogen replacements.