TABLE 5.
Frequency of endorsement (%) of side effects endorsed during multiple Active (Sessions = 113; 104 at 2 mA, 9 at 3 mA) and Sham (Sessions = 73; 70 at 2 mA, 3 at 3 mA) Sessions from 65 participants
| None | Mild | Moderate | Severe | χ2 | df | p | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Active | Sham | Active | Sham | Active | Sham | Active | Sham | ||||
| Headache | 97 | 97 | 3 | 3 | 0 | 0 | 0 | 0 | 0.001 | 1 | .999 |
| Neck Pain | 98 | 99 | 2 | 1 | 0 | 0 | 0 | 0 | 0.045 | 1 | .999 |
| Scalp Pain | 90 | 85 | 8 | 8 | 2 | 7 | 0 | 0 | 3.187 | 2 | .210 |
| Tingling | 42 | 34 | 48 | 55 | 8 | 10 | 2 | 1 | 1.377 | 3 | .744 |
| Itching | 61 | 63 | 35 | 30 | 4 | 4 | 0 | 3 | 3.392 | 3 | .361 |
| Burning | 51 | 41 | 35 | 40 | 12 | 16 | 2 | 3 | 2.202 | 3 | .573 |
| Skin Redness | 96 | 97 | 4 | 3 | 0 | 0 | 0 | 0 | 0.361 | 1 | .706 |
| Sleepiness | 79 | 90 | 18 | 7 | 1 | 3 | 2 | 0 | 7.329 | 3 | .043* |
| Concentration Changes |
88 | 93 | 9 | 6 | 3 | 1 | 0 | 0 | 1.598 | 2 | .447 |
| Mood Changes | 96 | 96 | 3 | 1 | 1 | 3 | 0 | 0 | 4.084 | 3 | .268 |
| Other Symptoms | 94 | 95 | 4 | 1 | 1 | 4 | 1 | 0 | 3.572 | 3 | .352 |
Note: ‘Other Symptoms’ missing data for 3 sessions; ‘Skin Redness’ missing data for 1 session.