Table 1.
Demographics for the Adolescent Brain Cognitive Development (ABCD) Study
| Release 3.0 (%) [Baseline Data] | Sample in this Report (%) | |
|---|---|---|
| Youth Sex | ||
| Male | 6,196 (52.1%) | 3,612 (52.5%) |
| Female | 5,682 (47.8%) | 3,262 (47.5%) |
| Annual Household Income | ||
| <$5,000 | 417 (3.5%) | 168 (2.4%) |
| $5,000-$11,999 | 421 (3.5%) | 187 (2.7%) |
| $12,000-$15,999 | 274 (2.3%) | 137 (2.0%) |
| $16,000-$24,999 | 524 (4.4%) | 254 (3.7%) |
| $25,000-$34,999 | 654 (5.5%) | 342 (5.0%) |
| $35,000-$49,999 | 934 (7.9%) | 503 (7.3%) |
| $50,000-$74,999 | 1,499 (12.6%) | 926 (13.5%) |
| $75,000-$99,999 | 1,572 (13.2%) | 983 (14.3%) |
| $100,000-$199,999 | 3,315 (27.9%) | 2,371 (34.5%) |
| ≥$200,000 | 1,250 (10.5%) | 1,003 (14.6%) |
| Missing/Undefined | 1,018 (8.6%) | 0 (0.0%) |
| Area Deprivation Index | ||
| ≤ 33 Percentile (Low) | 5,392 (45.4%) | 3,655 (53.2%) |
| 34–66 Percentile (Mid) | 3,499 (29.5%) | 2,162 (31.5%) |
| ≥ 67 Percentile (High) | 2,055 (17.3%) | 1,057 (15.4%) |
| Missing/Undefined | 932 (7.8%) | 0 (0.0%) |
| Youth Race | ||
| American Indian / Alaska Native | 62 (0.5%) | 26 (0.4%) |
| Asian | 276 (2.3%) | 192 (2.8%) |
| Black | 1,869 (15.7%) | 822 (12.0%) |
| Native Hawaiian / Pacific Islander | 16 (0.1%) | 8 (0.1%) |
| Other | 1,959 (16.5%) | 1,096 (15.9%) |
| White | 7,525 (61.1%) | 4,730 (68.8%) |
| Missing/Undefined | 171 (1.4%) | 0 (0.0%) |
| Youth Ethnicity | ||
| Hispanic | 2,411 (20.3%) | 1,258 (18.3%) |
| Not Hispanic | 9,314 (78.4%) | 5,616 (81.7%) |
| Missing/Undefined | 153 (1.3%) | 0 (0.0%) |
| Total | 11,878 (100%) | 6,874 (100%) |