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Between-group differences in self-reported perception of the device before and after use.
| Subjective Rating (%) | P | ||
|---|---|---|---|
| Measure | Sham Group | Active Group | |
| Sleep | −21.5 (30.9) | −3.65 (23.7) | .090 |
| Relax | 5.5 (21.7) | 17.5 (23.1) | .183 |
| Daytime | −25.0 (23.7) | −10.6 (27.6) | .170 |
| Perform | −26.0 (30.2) | −5.8 (24.4) | .058 |
| Energy | −18.7 (25.7) | −6.8 (25.1) | .233 |
Data are presented as mean (standard deviation); t tests were performed on change scores pre- and postintervention.
