Table 2.
Mean, standard deviation (SD), and median of happiness in the groups.
| Aromatherapy | Placebo | p-Value * | Cohen’s d | |||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Median (IQR ***) | Mean | SD | Median (IQR ***) | |||
| Happiness before the intervention | 45.16 | 10.50 | 44 (39, 53) | 43.76 | 10.68 | 43 (39, 50) | 0.425 | 0.124 |
| Happiness after the first intervention | 46.40 | 9.19 | 45 (40, 53) | 45.44 | 9.38 | 45 (40, 50) | 0.448 | 0.118 |
| Happiness after the last intervention | 49.90 | 9.52 | 50 (44, 55) | 48.70 | 9.01 | 48 (42, 53) | 0.377 | 0.137 |
| Happiness 1 week after the last intervention | 53.71 | 9.88 | 51 (48, 60) | 53.57 | 9.58 | 53 (48, 56) | 0.996 | 0.001 |
| p-Value ** | <0.001 | <0.001 | ||||||
* Mann–Whitney U test; ** Friedman test; *** interquartile range.