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Table 3 The salivary and urinary cortisol level according to floor impact sounds (FIS)

From: The responses of subjective feeling, task performance ability, cortisol and HRV for the various types of floor impact sound: a pilot study

  Pre exposure S (M) C (M) S C Post exposure p-value
salivary cortisol (pg/ml) 1582.6 ± 756.5 1700.3 ± 742.8 1357.9 ± 575.7 1373.4 ± 475.6 1237± 384.2 1089.1 ± 344.6 0.003*
urinary cortisol (pg/ml) 8950.8 ± 1837.4 - - - - 8914.5 ± 2044.9 0.889
  1. Abbreviation: S simple sound, C complex sound, M soundproof mattress, S (M) S with M, C (M) C with M
  2. Unit: mean ± standard deviation
  3. *p-value was calculated by repeated measures ANOVA
  4. p-value was calculated by paired t-test