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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

VariablesGroupsP- value
PeppermintLavenderControl
Number (%)Number (%)Number (%)
Age(Year)33–436(17.1)2(5.7)3(8.6)0.183d e
44–546(17.8)12(34.3)14(40.0)
55–6523(65.7)21(60.0)18(51.4)
genderFemale15(42.9)14(40.0)12(34.3)0.765
Male20(57.1)21(60.0)23(65.7)
Marital statusSingle7(20.0)14(40)10(28.6)0.184
Married28(80.0)21(60)25(71.4)
Body Mass Index (Kg/M2)18.5≥0(0)0(0)0(0)0.065
18.51–24.994(11.4)0(0)3(8.6)
25–29.9913(37.1)23(65.7)14(40.0)
30≤18(51.4)12(34.3)18(51.4)
Jobself-Employment7(20.0)7(20.0)12(34.3)0.503
Retired19(54.3)16(45.7)15(42.9)
Housekeeper9(25.7)12(34.3)8(22.9)
Education statusNon-academic29(82.9)29(82.9)30(85.7)0.388
Academic6(17.1)6(17.1)5(14.3)
Type of cardiac diseaseMIa15(42.9)19(54.3)14(40.0)0.702
CADb13(37.1)11(31.4)12(34.3)
CHFc7(20.0)5(14.3)9(25.7)
Diabetes historyYes13(37.1)12(34.3)12(34.3)0.959
No22(62.9)23(65.7)23(65.7)
MI historyYes11(31.4)13(37.1)8(22.9)0.426
No24(68.6)22(62.9)27(77.1)
Aromatherapy historyYes6(17.1)4(11.4)5(14.3)0.792
No29(82.9)31(88.6)30(85.7)
  1. a Myocardial infarction; b Coronary artery diseases; c Congestive heart failure; d Non-significant; e Base on Chi-Square test
  2. All three groups of peppermint essential oil, lavender essential oil, and control were homogeneous in terms of the demographic variables