Table 5.
The effects of essential oil inhalation on ambulatory BP among the groups.
| BP | Group | Pre-test | Post-test | Difference (posttest and pretest) |
F | P |
|---|---|---|---|---|---|---|
| SBP | ||||||
| Aromatherapy (n = 28) |
140.6 ± 10.56 | 129.9 ± 10.81 | −10.77 ± 8.95a | |||
| Day time* | Placebo (n = 27) |
132.6 ± 7.91 | 136.0 ± 9.48 | 3.40 ± 8.48b | 16.2 | <.001 |
| Control (n = 28) |
136.8 ± 12.31 | 136.1 ± 10.79 | −0.71 ± 10.96b | |||
| Aromatherapy (n = 28) |
121.1 ± 15.33 | 118.5 ± 13.73 | −2.61 ± 10.57 | |||
| Night time** | Placebo (n = 27) |
116.4 ± 13.46 | 115.5 ± 15.76 | −0.88 ± 14.44 | 1.9 | .160 |
| Control (n = 28) |
114.8 ± 11.61 | 118.7 ± 11.41 | 3.86 ± 13.60 | |||
|
| ||||||
| DBP | ||||||
| Aromatherapy (n = 28) |
90.5 ± 9.12 | 83.3 ± 8.01 | −7.11 ± 7.13a | |||
| Day time* | Placebo (n = 27) |
84.0 ± 5.80 | 85.6 ± 8.81 | 1.60 ± 8.95b | 6.5 | .002 |
| Control (n = 28) |
87.8 ± 9.41 | 87.3 ± 8.91 | −0.44 ± 11.50b | |||
| Aromatherapy (n = 28) |
74.6 ± 8.82 | 75.4 ± 8.47 | 0.77 ± 7.60 | |||
| Night time** | Placebo (n = 27) |
72.1 ± 8.52 | 72.3 ± 11.20 | 0.23 ± 10.13 | 0.2 | .783 |
| Control (n = 28) |
71.5 ± 8.50 | 73.4 ± 8.24 | 1.96 ± 10.18 | |||
Values are expressed as mean ± standard deviation.
Different superscripts (a, or b) indicate a significant difference (Tukey's test; P < .05).
*Daytime BP: blood pressure measured from 6 AM to 9:30 PM.
**Night time BP: blood pressure measured from 10 PM to 5:30 AM.