Table 4.
Mean individual changes between V1 and V4 for each score in both group with 95% CI and effect size (a positive effect in the sense of active tDCS and a negative one in the sense of sham tDCS).
| Scores | Mean (Sham Group) |
95% CI Lower | 95% CI Upper | Mean (Active Group) |
95% CI Lower | 95% CI Upper | Effect Size | p-Value * |
|---|---|---|---|---|---|---|---|---|
| SUD max | −2.14 | −3.21 | −1.07 | −2.00 | −3.81 | −0.19 | 0.0549 | 0.484 |
| AQ anxiety | −11.21 | −18.16 | −4.26 | −20.36 | −34.83 | −5.89 | −0.4741 | 0.228 |
| AQ avoidance | −2.64 | −5.31 | 0.03 | −2.82 | −7.04 | 1.40 | −0.0296 | 0.913 |
| ATHQ | −5.36 | −9.10 | −1.62 | −9.18 | −17.62 | −0.74 | −0.3451 | 0.583 |
| vHISS | −0.93 | −1.46 | −0.40 | −0.91 | −2.12 | 0.30 | 0.0126 | 0.955 |
| HIQ total | −7.93 | −13.81 | −2.05 | −4.55 | −12.99 | 3.89 | 0.2685 | 0.459 |
| STAI total | −1.29 | −4.50 | 1.92 | −0.73 | −3.75 | 2.29 | 0.1014 | 0.978 |
| Cortisol level after exposure | −0.29 | −0.82 | 0.24 | 0.11 | 0.11 | 0.11 | 0.5657 | 0.131 |
* non-parametric Kruskal–Wallis rank sum test. Abbreviations: AQ: Acrophobia Questionnaire; ATHQ: Attitude Towards Heights Questionnaire; HIQ: Height Interpretation Questionnaire; STAI: State-Trait Anxiety; SUD: Subjective Unit of Discomfort; vHISS: visual Height Intolerance Severity Scale.