- SBP systolic blood pressure, DBP diastolic blood pressure, PR pulse rate
- *p < 0.05, ***p < 0.001, paired t test (before vs. after)
- aNon-depressive tendency: K6 ≤ 4
- bDepressive tendency: 5 ≤ K6 ≤ 12
- cWilcoxon signed–rank test (non-depressive tendency vs. depressive tendency)
- dLogarithmically transformed value of HF
- eLogarithmically transformed value of LF/HF