Table 1.
Characteristics of Study Participants.
| Characteristic | Category | All Children (N = 100) | Parent (N = 86) | Teacher (N = 63) | Parent and Teacher (N = 49) |
|---|---|---|---|---|---|
| Age at Assessment | Mean (SD) | 9.9 (4.3) | 9.9 (4.4) | 9.1 (3.9) | 8.9 (4.0) |
| Male | 48 (48.0%) | 44 (51.2%) | 30 (47.6%) | 26 (53.1%) | |
| Race | White | 82 (82.0%) | 74 (86.0%) | 50 (79.4%) | 42 (85.7%) |
| Black | 2 (2.0%) | 2 (2.3%) | 2 (3.2%) | 2 (4.1%) | |
| Hispanic | 5 (5.0%) | 3 (3.5%) | 4 (6.3%) | 2 (4.1%) | |
| Bi-Racial | 4 (4.0%) | 3 (3.5%) | 2 (3.2%) | 1 (2.0%) | |
| Other or Unknown | 7 (7.0%) | 4 (4.7%) | 5 (7.9%) | 2 (4.1%) | |
| Maternal Education Level | HS Graduate or Less | 9 (9.0%) | 8 (9.3%) | 7 (11.1%) | 6 (12.2%) |
| Some College | 25 (25.0%) | 23 (26.7%) | 16 (25.4%) | 14 (28.6%) | |
| College Graduate | 30 (30.0%) | 27 (31.4%) | 20 (31.7%) | 17 (34.7%) | |
| Graduate Degree | 17 (17.0%) | 15 (17.4%) | 8 (12.7%) | 6 (12.2%) | |
| Unknown | 19 (19.0%) | 13 (15.1%) | 12 (19.0%) | 6 (12.2%) | |
| PWS Genetic Subtype | Deletion Type I | 9 (9.0%) | 8 (9.3%) | 7 (11.1%) | 6 (12.2%) |
| Deletion Type II | 15 (15.0%) | 15 (17.4%) | 8 (12.7%) | 8 (16.3%) | |
| Deletion Type Unknown | 31 (31.0%) | 25 (29.1%) | 19 (30.2%) | 13 (26.5%) | |
| UPD | 27 (27.0%) | 25 (29.1%) | 14 (22.2%) | 12 (24.5%) | |
| Imprinting | 1 (1.0%) | 1 (1.2%) | 1 (1.6%) | 1 (2.0%) | |
| Unknown | 17 (17.0%) | 12 (14.0%) | 14 (22.2%) | 9 (18.4%) |
SD: Standard Deviation; HS: High School; UPD: Maternal Uniparental Disomy.