Table 3.
Coding framework and results for the open-ended questions in the 13 interviews (after 10th and/or 40th session)
| Name of the theme | Intervention effects | Trial execution | Participants suggestions |
|---|---|---|---|
| Code 1 | Relaxation-effect-immediate (n = 9) | Satisfaction-procedure (n = 9) | Electrodes-issue (n = 3) |
| Code 2 | Mood-improvement (n = 8) | Transportation-issue (n = 5) | Practical-considerations (n = 3) |
| Code 3 | Sleep-improvement (n = 7) | Scheduling-issues (n = 3) | Insufficient-number-session (n = 2) |
| Code 4 | Sleepy-effect-immediate (n = 3) | Life-circumstances (n = 2) | Home-use-device (n = 1) |
| Code 5 | Energy-improvement (n = 2) | Desire-people-interaction (n = 1) | |
| Code 6 | Appetite-improvement (n = 1) | Smile-purposely (n = 1) |
n is the number of participants whose responses were coded at least once with the code, out of 10 participants