Table 2 Characteristics of the participants in the Adolescent Brain Cognitive Development (ABCD) study (n = 9637).
From: Physical symptoms and brain morphology: a population neuroimaging study in 12,286 pre-adolescents
Mean | SD | |
|---|---|---|
Age | 9.9 | 0.6 |
Body mass index | 18.8 | 4.0 |
WISC-V Matrix Reasoning Total Score | 9.9 | 3.0 |
Physical symptoms (CBCL) | 1.5 | 2.0 |
n | % | |
Sex | ||
Female | 4586 | 47.6 |
Race/ethnicity | ||
White | 4976 | 51.6 |
Black | 1416 | 14.7 |
Hispanic | 2047 | 21.2 |
Asian | 210 | 2.2 |
Other | 976 | 10.1 |
Missing data | 12 | 0.1 |
Highest parental education | ||
<High School Diploma | 482 | 5.0 |
High School Diploma/GED | 938 | 9.7 |
Some College | 2517 | 26.1 |
Bachelor | 2400 | 24.9 |
Post Graduate Degree | 3289 | 34.1 |
Missing data | 11 | 0.1 |
Annual household income | ||
Low (<$50,000) | 2669 | 27.7 |
Middle (≥$50,000 to < $100,000) | 2509 | 26.0 |
High (≥$100,000) | 3632 | 37.7 |
Missing data | 827 | 8.6 |
