Table 3.
Outcomes and preliminary effects.
| Measure | Changes from preintervention | |||
|
|
Score, mean (SD) | P value | Effect size (95% CI) | |
| Dermatology Life Quality Index | ||||
|
|
Preintervention | 13.8 (8.3) | Reference | N/Aa |
|
|
Postintervention | 8.5 (7.9) | .049b | 0.66 (–0.00 to 1.3) |
|
|
3-month follow-up | 7 (7) | .01b | 0.89 (0.18 to 1.56) |
| Peak Pruritus Numerical Rating Scale | ||||
|
|
Preintervention | 5.6 (2.6) | Reference | N/A |
|
|
Postintervention | 4.7 (2.7) | .28 | 0.36 (–0.3 to 0.98) |
|
|
3-month follow-up | 3.4 (2.6) | .01b | 0.85 (0.15 to 1.52) |
| 9-item Patient Health Questionnaire | ||||
|
|
Preintervention | 8.3 (6.0) | Reference | N/A |
|
|
Postintervention | 3.8 (4.2) | .001b | 0.87 (0.19 to 1.52) |
|
|
3-month follow-up | 3.9 (5.2) | .003b | 0.78 (0.1 to 1.45) |
| Perceived Stress Scale | ||||
|
|
Preintervention | 18.7 (9.6) | Reference | N/A |
|
|
Postintervention | 10.7 (6.9) | <.001b | 0.91 (0.27 to 1.62) |
|
|
3-month follow-up | 12.2 (9.2) | .003b | 0.75 (0.01 to 1.36) |
| Subjective Assessment Questionnaire | ||||
|
|
Postintervention | 4.1 (1.3) | —c | — |
aN/A: not applicable.
bA significant change from preintervention values.
cNot determined.