Effects of Aromatherapy with Lavender and Peppermint Essential Oils on the Sleep Quality of Cancer Patients: A Randomized Controlled Trial

Table 2

Comparing the study groups in terms of sleep quality before and after intervention.

Study groups	Before the study		After the study		value
	Mean ± SD	95% CI	Mean ± SD	95% CI	Time	Time × group	Group
Peppermint	12.60 ± 2.57	11.79, 13.41	9.37 ± 3.78	8.19, 10.56	<0.0001	<0.0001	0.375
Lavender	12.77 ± 2.85	11.88, 13.67	9.50 ± 3.28	8.47, 10.53
Control	12.50 ± 2.72	11.65, 13.35	11.17 ± 3.32	10.13, 12.21

Based on repeated measure ANOVA.