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

Table 7

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

Indicators	Elder (𝑛=18)				Young (𝑛=11)
	Before	After	F	P	Before	After	F	P
LF (ms^2)	9.55 ± 1.23	9.08 ± 1.16	4.258	0.042*	9.89 ± 0.98	9.19 ± 1.10	7.32	0.009**
HF (ms^2)	8.55 ± 1.67	9.11 ± 1.30	3.71	0.057	9.67 ± 1.17	9.51 ± 1.20	0.31	0.583
LF/HF (nu)	1.00 ± 1.18	−0.03 ± 1.07	22.53	0.000**	0. 21 ± 0.91	−0.32 ± 1.30	3.71	0.058
LF% (nu)	69.0 ± 22.2	49.6 ± 22.9	20.02	0.000**	54.8 ± 19.8	43.6 ± 25.7	3.91	0.052
HF% (nu)	31.7 ± 22.4	51.2 ± 22.9	20.15	0.000**	46.1 ± 19.7	57.0 ± 25.4	3.78	0.056
RRI (ms)	759 ± 86.2	769 ± 76.4	0.46	0.498	792 ± 148	801 ± 147	0.07	0.797

 *𝑃<0.05, **𝑃<0.01.