Sleep Science and Practice

Table 1 Comparison of the demographic variables in the study groups

From: Comparing the effect of aromatherapy with peppermint and lavender on the sleep quality of cardiac patients: a randomized controlled trial

Variables		Groups			P- value
		Peppermint	Lavender	Control
		Number (%)	Number (%)	Number (%)
Age(Year)	33–43	6(17.1)	2(5.7)	3(8.6)	0.183^{d e}
	44–54	6(17.8)	12(34.3)	14(40.0)
	55–65	23(65.7)	21(60.0)	18(51.4)
gender	Female	15(42.9)	14(40.0)	12(34.3)	0.765
gender	Male	20(57.1)	21(60.0)	23(65.7)	0.765
Marital status	Single	7(20.0)	14(40)	10(28.6)	0.184
Marital status	Married	28(80.0)	21(60)	25(71.4)	0.184
Body Mass Index (Kg/M²)	18.5≥	0(0)	0(0)	0(0)	0.065
	18.51–24.99	4(11.4)	0(0)	3(8.6)
	25–29.99	13(37.1)	23(65.7)	14(40.0)
	30≤	18(51.4)	12(34.3)	18(51.4)
Job	self-Employment	7(20.0)	7(20.0)	12(34.3)	0.503
	Retired	19(54.3)	16(45.7)	15(42.9)
	Housekeeper	9(25.7)	12(34.3)	8(22.9)
Education status	Non-academic	29(82.9)	29(82.9)	30(85.7)	0.388
Education status	Academic	6(17.1)	6(17.1)	5(14.3)	0.388
Type of cardiac disease	MI^a	15(42.9)	19(54.3)	14(40.0)	0.702
	CAD^b	13(37.1)	11(31.4)	12(34.3)
	CHF^c	7(20.0)	5(14.3)	9(25.7)
Diabetes history	Yes	13(37.1)	12(34.3)	12(34.3)	0.959
Diabetes history	No	22(62.9)	23(65.7)	23(65.7)	0.959
MI history	Yes	11(31.4)	13(37.1)	8(22.9)	0.426
MI history	No	24(68.6)	22(62.9)	27(77.1)	0.426
Aromatherapy history	Yes	6(17.1)	4(11.4)	5(14.3)	0.792
Aromatherapy history	No	29(82.9)	31(88.6)	30(85.7)	0.792

^a Myocardial infarction; ^b Coronary artery diseases; ^c Congestive heart failure; ^d Non-significant; ^e Base on Chi-Square test
All three groups of peppermint essential oil, lavender essential oil, and control were homogeneous in terms of the demographic variables

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