Table 1.
Demographics of children and families by participation status.
| Characteristics | Evaluated (n = 170) Mean (SD)/n (%) | Included in study (n = 148) Mean (SD)/n (%) |
|---|---|---|
| Child age | 9.63 (0.95) | 9.68 (0.89) |
| Child gender (% male) | n = 135 (79%)a | n = 120 (81.1%)a |
| Diagnosis | ||
| Autism spectrum disorder | n = 50 (29.4%) | n = 47 (31.8%) |
| Attention deficit hyperactivity disorder | n = 105 (61.8%) | n = 101 (68.2%) |
| Excluded—diagnosis not determined | n = 15 (8.8%) | N/A |
| Ethnicity | ||
| Caucasian/White | n = 45 (26.5%) | n = 44 (29.7%) |
| African American/Black | n = 36 (21.2%) | n = 29 (19.6%) |
| Asian American/Arab American | n = 10 (5.9%) | n = 9 (6.1%) |
| Hispanic/Latino | n = 53 (31.2%) | n = 47 (31.8%) |
| Biracial | n = 9 (5.3%) | n = 8 (5.4%) |
| Other/unreported | n = 17 (10%) | n = 11 (7/4%) |
| Wechsler Abbreviated Scales of Intelligence-2 | n = 164 | |
| Full Scale IQ | 96.59 (14.46) | 98.17 (14.16) |
| Verbal IQ | 95.76 (14.62) | 97.29 (14.28) |
| Performance IQ | 98.10 (15.59) | 99.49 (15.36) |
| Yearly net income | US$88,425.13 | US$94,794.78 |
| Range: US$9200–US$400,000 (n = 128) | Range: US$9200–US$400,000 (n = 115) | |
| Highest reported parent years of education | 14.97 (4.10) | 15.14 (4.02) |
| Range: 3–25 years (n = 126) | Range: 3–25 years (n = 118) | |
| Number of adults in home | 2.25 (0.99) | 2.27 (0.99) |
| Range 1–7, (n = 154) | Range 1–7, (n= 138) |
SD: standard deviation.
a
One participant identified as female to male transgender.