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Official Journal of the Japan Wood Research Society

Table 2 Results of physiological responses in all subjects, and both subgroups of interventions

From: Physiological and psychological responses to olfactory simulation by Taiwania (Taiwania cryptomerioides) essential oil and the influence of cognitive bias

 

Normal air (mean ± SD)

Taiwania oil volatiles (mean ± SD)

t

p

All subjects (n = 39)

 HR (Bpm)

81.08 ± 10.63

79.51 ± 11.17

2.170

0.036*

 SBP (mmHg)

99.18 ± 9.72

99.16 ± 9.75

0.029

0.977

 DBP (mmHg)

73.08 ± 7.12

73.03 ± 7.14

0.172

0.865

 LF/HF

1.34 ± 0.62

1.32 ± 0.70

0.255

0.800

 HF (ms2)

181.66 ± 97.64

204.97 ± 161.97

− 1.090

0.283

 sAA (kIU/L)

16.87 ± 9.56

15.72 ± 8.77

0.759

0.453

Hinted group (n = 21)

 HR (Bpm)

82.29 ± 8.85

79.95 ± 9.11

2.020

0.057

 SBP (mmHg)

99.39 ± 7.81

99.43 ± 7.66

− 0.028

0.978

 DBP (mmHg)

71.70 ± 5.15

71.85 ± 4.90

− 0.307

0.762

 LF/HF

1.48 ± 0.734

1.36 ± 0.71

0.961

0.348

 HF (ms2)

173.86 ± 105.35

189.30 ± 125.48

− 0.601

0.555

 sAA (kIU/L)

17.33 ± 9.97

18.57 ± 8.80

− 0.827

0.418

Non-hinted group (n = 18)

 HR (Bpm)

79.67 ± 12.52

79.00 ± 13.43

0.864

0.399

 SBP (mmHg)

98.93 ± 11.80

98.85 ± 11.97

0.134

0.895

 DBP (mmHg)

74.70 ± 8.76

74.40 ± 9.05

0.609

0.550

 LF/HF

1.18 ± 0.42

1.27 ± 0.71

− 0.642

0.530

 HF (ms2)

190.75 ± 89.96

223.25 ± 198.64

− 0.901

0.380

 sAA (kIU/L)

16.33 ± 9.31

12.39 ± 7.69

1.463

0.162

  1. HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, LF low-frequency power of heart rate variability, HF high-frequency power of heart rate variability, sAA salivary alpha-amylase
  2. *p < 0.05