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The effects of essential oil inhalation on salivary cortisol (μg/dL) among the groups.
| Group | Pretest | Posttest | Difference (posttest and pretest) |
F | P |
|---|---|---|---|---|---|
| Aromatherapy (n = 28) |
0.16 ± 0.09 | 0.14 ± 0.05 | −0.02 ± 0.06a | ||
| Placebo (n = 27) |
0.12 ± 0.06 | 0.16 ± 0.09 | 0.04 ± 0.09b | 4.69 | .012 |
| Control (n = 28) |
0.11 ± 0.06 | 0.13 ± 0.07 | 0.02 ± 0.08b |
Values are expressed as mean ± standard deviation.
Different superscripts (a, or b) indicate a significant difference (Tukey's test; P < .05).
