Essential Oil Inhalation on Blood Pressure and Salivary Cortisol Levels in Prehypertensive and Hypertensive Subjects

Table 2

The effect of essential oil on home BP at 10 minutes after inhalation.

BP	Group	Pretest	Posttest	Difference; (posttest and pretest)	𝐹	𝑃
	Aromatherapy; (𝑛=28)	132.3 ± 5.66	127.6 ± 5.70	−4.70 ± 1.93^a
Systole	Placebo; (𝑛=27)	133.3 ± 8.48	134.2 ± 8.86	0.97 ± 1.68^b	79.689	<.001
	Control; (𝑛=28)	133.2 ± 6.92	133.8 ± 7.03	0.66 ± 2.01^b
	Aromatherapy; (𝑛=28)	85.7 ± 5.44	84.5 ± 5.42	−1.21 ± 1.51^a
Diastole	Placebo; (𝑛=27)	83.8 ± 7.35	84.0 ± 8.03	0.22 ± 1.94^b	5.007	.009
	Control; (𝑛=28)	85.0 ± 6.94	84.7 ± 7.13	−0.27 ± 1.64^b

Values are expressed as mean ± standard deviation; Different superscripts (a, or b) indicate a significant difference (Tukey’s test; 𝑃<.05); BP: blood pressure.