Research Article
Expectancy of Stress-Reducing Aromatherapy Effect and Performance on a Stress-Sensitive Cognitive Task
Table 2
Comparisons of aroma groups and prime subgroups baseline characteristics.
| Mean (SD) score unless otherwise noted | Aroma groups | value | Prime groups | value | Lavender | Coconut | Water | Prime | No-prime | ( = 27) | ( = 27) | ( = 27) | ( = 40) | ( = 41) |
| Age | 59.1 (7.1) | 57.5 (6.2) | 56.5 (5.1) | .35 | 59.0 (6.2) | 56.2 (5.9) | .06 | Female (%) | 77.8 | 85.2 | 74.1 | .59 | 82.5 | 75.6 | .45 | Education (years) | 16.0 (2.1) | 15.8 (1.9) | 16.0 (3.2) | .93 | 15.3 (2.3) | 16.6 (2.6) | .04 | TICS score | 38.5 (3.9) | 39.2 (3.3) | 37.0 (3.9) | .11 | 38.4 (3.6) | 37.9 (4.0) | .60 | PSS score | 15.7 (5.1) | 18.2 (5.0) | 16.2 (6.1) | .28 | 17.0 (4.9) | 16.4 (6.0) | .64 | Previous aroma use (%) | 55.6 | 40.7 | 42.3 | .49 | 40.0 | 52.5 | .26 | Expected effectiveness | 70.4 (13.5) | 71.4 (13.0) | 71.5 (12.1) | .95 | 71.4 (11.7) | 70.8 (13.8) | .84 | Expected stress change | 33.6 (19.9) | 33.2 (17.4) | 34.4 (18.3) | .99 | 33.6 (17.5) | 33.8 (19.4) | .99 |
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Abbreviations: PSS = Perceived Stress Scale, SD = standard deviation, TICS = the Modified Telephone Interview for Cognitive Status. Dependent Variables: Expected effectiveness = expected aromatherapy effectiveness for stress reduction, Expected stress change = expected change in stress level from neutral VAS score of 50 (less than 50 means decreased stress).
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