Table 11: The HRV one-way ANOVA results of the anxiety-degree subgroups with a heavy workload before and after natural bergamot essential oil treatment for all participants.

IndicatorsMinor ( )Light ( )
BeforeAfterF P BeforeAfterF P

LF (ms2)9.62 ± 1.279.14 ± 1.234.280.041*9.82 ± 0.819.07 ± 0.8810.460.002**
HF (ms2)8.83 ± 1.669.21 ± 1.331.910.1709.31 ± 1.409.38 ± 1.150.040.841
LF/HF (nu)0.79 ± 1.18−0.06 ± 1.2514.820.000**0.51 ± 1.08−0.31 ± 0.958.740.005**
LF% (nu)65.3 ± 22.949.2 ± 25.313.320.000**60.0 ± 20.843.2 ± 20.88.750.005**
HF% (nu)35.4 ± 23.051.6 ± 25.213.590.000**41.1 ± 21.157.5 ± 20.78.300.006**
RRI (ms)77.3 ± 9.574.7 ± 11.60.080.78368.3 ± 9.666.9 ± 9.60.940.337

 * , ** .