Table 1.
Homogeneity test before treatment among participants.
| Characteristics | Aromatherapy (n = 28) |
Placebo (n = 27) |
Control (n = 28) |
F or χ 2 | P |
|---|---|---|---|---|---|
| Height (cm) | 170.4 ± 8.7 | 166.6 ± 8.6 | 169.5 ± 8.8 | 1.48 | .23 |
| Weight (kg) | 70.6 ± 13.1 | 70.4 ± 10.9 | 71.7 ± 11.6 | 0.09 | .91 |
| Age (yr) | 40.0 ± 7.1 | 41.8 ± 8.6 | 40.1 ± 7.4 | 0.46 | .64 |
| Medications | |||||
| Yes | 3 | 4 | 4 | 0.24 | .89 |
| No | 25 | 23 | 24 | ||
| Office BP (mmHg) | |||||
| Systole | 140.6 ± 6.2 | 141.0 ± 6.2 | 140.1 ± 6.9 | 0.12 | .88 |
| Diastole | 87.4 ± 7.5 | 87.0 ± 8.3 | 86.5 ± 7.9 | 0.09 | .91 |
| Home BP (mmHg) | |||||
| Systole | 136.6 ± 8.8 | 134.0 ± 9.3 | 135.1 ± 10.5 | 0.52 | .60 |
| Diastole | 87.9 ± 6.5 | 84.8 ± 9.3 | 87.0 ± 9.0 | 1.04 | .36 |
| Perceived stress | 79.0 ±15.5 | 75.5 ± 8.2 | 73.6 ± 10.9 | 1.07 | .35 |
| Salivary cortisol (μg/dL) | 0.16 ± 0.09 | 0.12 ± 0.06 | 0.11 ± 0.06 | 3.14 | .05 |
Values are expressed as mean ± standard deviation; BP: blood pressure.