Table 1.
Sample characteristics as separated by each outcome measure and analysis.
| Measure | Age (years) | Gender, n (%) | Test setting, n (%) | NFTa protocols used in ≥50% of sample | No. of sessions, mean (SD) | Treatment duration (days), mean (SD) | Frequency (sessions/wk), mean (SD) | ||||||||||
|
|
Mean (SD) | Range | Female | Male | Clinic | Home |
|
|
|
|
|||||||
| Symptom questionnaire pre-post (n=301b) | 38 (14.5) |
13-71 | 157 (52.7) |
141 (47.3) |
220 (73.1) |
81 (26.9) |
Reduce theta; reduce high beta; enhance low beta |
53 (38.2) | 91 (41.0) | 4 (2.6) | |||||||
| CPTc pre-post (ADHDd; n=203e) | 37 (12.9) |
13-69 | 103 (51.2) |
98 (48.8) |
112 (55.2) |
91 (44.8) |
Reduce theta; reduce high beta |
53 (29.5) | 96 (42.2) | 4 (1.9) | |||||||
| Resting EEGf baseline (adult ADHD; n=271g) | 38 (10.9) |
18-70 | 94 (35.2) |
173 (64.8) |
87 (32.1) |
184 (67.9) |
N/Ah | N/A | N/A | N/A | |||||||
| Resting EEG pre-post (adult ADHD; n=41i) | 36 (9.3) |
19-55 | 17 (42.5) |
23 (57.5) |
5 (12.2) |
36 (87.8) |
Reduce theta; enhance alpha; reduce high beta |
55 (30.8) | 76 (27.0) | 5 (2.2) | |||||||
aNFT: neurofeedback training.
bNo gender identity was reported by 3 participants (n=298).
cCPT: continuous performance task.
dADHD: attention-deficit/hyperactivity disorder.
eNo gender identity was reported by 2 participants (n=201).
fEEG: electroencephalography.
gNo gender identity was reported by 4 participants (n=267).
hN/A: not applicable; intervention details were not reported, as only preintervention values were of interest for baseline analyses.
iNo gender identity was reported by 1 participant (n=40).