The Physical Effects of Aromatherapy in Alleviating Work-Related Stress on Elementary School Teachers in Taiwan

Table 8

The HRV one-way ANOVA results of the BMI subgroups with a light workload before and after natural bergamot essential oil treatment for all participants.

Indicators	BMI > 40 (𝑛=9)				21 ≤ BMI ≤ 24 (𝑛=20)
	Before	After	F	P	Before	After	F	P
LF (ms^2)	9.7 ± 1.6	8.8 ± 1.6	4.59	0.037*	9.8 ± 0.9	9.1 ± 1.2	13.46	0.000**
HF (ms^2)	8.71 ± 2.09	8.63 ± 2.05	0.02	0.895	9.11 ± 1.13	9.1 ± 1.0	0.07	0.790
LF/HF (nu)	0.97 ± 0.77	0.12 ± 0.97	12.89	0.001**	0.66 ± 1.04	0.01 ± 1.21	10.16	0.002**
LF% (nu)	71.1 ± 15.4	52.3 ± 20.1	14.95	0.000**	63.5 ± 21.94	50.0 ± 23.7	10.53	0.002**
HF% (nu)	29.9 ± 15.5	48.7 ± 20.4	14.47	0.000**	36.5 ± 21.36	51.0 ± 23.4	12.53	0.001**
RRI (ms)	767 ± 139	773 ± 163	0.02	0.888	777 ± 70.1	781 ± 60.2	0.11	0.740

 *𝑃<0.05, **𝑃<0.01.