Research Article
The Effects of Aromatherapy on Intensive Care Unit Patients’ Stress and Sleep Quality: A Nonrandomised Controlled Trial
Table 2
The effects of aromatherapy on stress and sleep quality.
| | | Exp. () | Cont. () | or | | | M ± SD | M ± SD |
| Perceived stress | Pretest 1 () | 8.10 ± 1.61 | 6.27 ± 1.70 | | <.001 | Time 2.99 () Group 148.43 () 60.11 () | Pretest 2 () | 8.23 ± 2.03 | 7.27 ± 1.70 | 0.129 | .721 | Posttest 1 () | 5.33 ± 1.24 | 7.80 ± 1.24 | 120.481 | <.001 | Posttest 2 () | 5.47 ± 0.97 | 8.23 ± 1.04 | 167.557 | <.001 | Posttest 3 () | 3.73 ± 0.87 | 8.50 ± 0.90 | 390.022 | <.001 |
| Stress index | Pretest 1 () | 7.73 ± 1.79 | 6.17 ± 3.11 | | .020 | Time 0.52 () Group 52.91 () 25.65 () | Pretest 2 () | 8.37 ± 1.79 | 7.80 ± 2.66 | 0.382 | .539 | Posttest 1 () | 3.90 ± 2.23 | 7.60 ± 2.70 | 44.866 | <.001 | Posttest 2 () | 4.37 ± 1.97 | 8.00 ± 1.89 | 74.309 | <.001 |
| Quality of sleep | Pretest 1 () | 65.13 ± 5.69 | 61.03 ± 7.83 | | .524 | Time 294.60 () Group 221.12 () 109.46 () | Posttest 1 () | 52.90 ± 5.57 | 33.56 ± 7.15 | | <.001 | Posttest 2 () | 57.73 ± 5.61 | 25.80 ± 6.95 | | <.001 |
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Exp. = experimental group; Cont. = control group; M ± SD: mean ± standard deviation; : admission day; : admission day before sleep; : experimental 1st day, 8 a.m.; : experimental 1st day, 8 p.m.; : experimental 2nd day, 8 a.m.
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