TABLE 5.
Demographic characteristics and questionnaire scores, and NF outcomes of participants who completed the follow-up measurement (either 6 or 12 months) and those who dropped out after the post-measurement.
| Completed follow-up (n = 41) | Drop-outs (n = 17) | |
| M (SD) | M (SD) | |
| Motivation | 5.7 (0.9) | 5.4 (1.0) |
| Commitment | 5.7 (1.0) | 5.1 (1.3) |
| Difficulty | 4.6 (0.8) | 4.7 (0.9) |
| Age | 33.4 (10.7) | 33.6 (11.5) |
| BRIEF-A total score (T1) | 156.4 (18.4) | 154.1 (17.9) |
| BRIEF-A working memory (T1) | 19.8 (2.6) | 18.9 (2.7) |
| BRIEF-A shift (T1) | 13.3 (2.6) | 13.0 (2.6) |
| BRIEF-A task monitor (T1) | 14.9 (2.3) | 14.5 (2.0) |
| BRIEF-A inhibit (T1) | 16.0 (3.4) | 16.3 (3.3) |
| BDI-II total score (T2) | 9.5 (7.2) | 9.9 (5.7)1 |
| ZVAH attentional symptoms (T2) | 5.0 (3.0) | 5.0 (2.2)1 |
| ZVAH Hyperactivity symptoms (T2) | 3.1 (2.7) | 3.5 (2.4)1 |
| n (%) | n (%) | |
| NF success (responder) | 33 (80.5%) | 14 (82.4%) |
| Educational level | Low: 0 (0.0%) Intermediate: 16 (39.0%) High: 25 (61.0%) |
Low: 1 (5.9%) Intermediate: 7 (41.2%) High: 9 (52.9%) |
| Sex (female) | 26 (63.4%) | 12 (70.6%) |
| Presence of disorder | No diagnosis: 8 (19.5%) Suspect AD(H)D: 5 (12.2%) ADD: 13 (31.8%) ADHD: 6 (14.7%) ADHD + BPD: 1 (2.4%) ASD: 5 (12.2%) ASD + bipolar disorder: 1 (2.4%) PTSD: 1 (2.4%) History of depression + anorexia: 1 (2.4%) |
No diagnosis: 7 (41.2%) Suspect AD(H)D: 2 (11.8%) ADD: 5 (29.4%) ADHD: 3 (17.6%) |
| Medication use during NF training | No medication 26 (63.4%) Stimulants: 10 (24.4%) Antidepressant: 2 (4.9%) Stimulant + anticonvulsant: 1 (2.4%) Stimulant + antidepressant 1: (2.4%) Atypical antipsychotic: 1 (2.4%) |
No medication: 12 (70.6%) Stimulants: 4 (23.5%) Antidepressant: 1 (5.9%) |
BRIEF-A, Behavior Rating Inventory of Executive Function - Adult Version; BDI-II, Beck Depression Inventory II; ZVAH, self-report questionnaire on attention problems and hyperactivity for adult and childhood (adult version); ADD, attention deficit disorder; ADHD, attention deficit hyperactivity disorder; BPD, borderline personality disorder; ASD; autism spectrum disorder; PTSD, post-traumatic stress disorder; T1, pre-measurement; T2, post-measurement.
1Information is missing for two participants (n = 15). Self-reported motivation, commitment, and difficulty are rated on a seven-point scale and are averaged across eight sessions.