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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

Variables Groups P- value
Peppermint Lavender Control
Number (%) Number (%) Number (%)
Age(Year) 33–43 6(17.1) 2(5.7) 3(8.6) 0.183d 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
Male 20(57.1) 21(60.0) 23(65.7)
Marital status Single 7(20.0) 14(40) 10(28.6) 0.184
Married 28(80.0) 21(60) 25(71.4)
Body Mass Index (Kg/M2) 18.5≥ 0(0) 0(0) 0(0) 0.065
18.51–24.99 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
Academic 6(17.1) 6(17.1) 5(14.3)
Type of cardiac disease MIa 15(42.9) 19(54.3) 14(40.0) 0.702
CADb 13(37.1) 11(31.4) 12(34.3)
CHFc 7(20.0) 5(14.3) 9(25.7)
Diabetes history Yes 13(37.1) 12(34.3) 12(34.3) 0.959
No 22(62.9) 23(65.7) 23(65.7)
MI history Yes 11(31.4) 13(37.1) 8(22.9) 0.426
No 24(68.6) 22(62.9) 27(77.1)
Aromatherapy history Yes 6(17.1) 4(11.4) 5(14.3) 0.792
No 29(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