Table 1 Participant characteristics.

From: Socioeconomic status, BMI, and brain development in children

Demographic

No. of participantsa (%) (N = 7607)

Sex

Male

4023 (52.9)

Female

3584 (47.1)

Race

White

5285 (69.5)

Black

1408 (18.5)

Asian

478 (6.28)

Other

436 (5.72)

Ethnicity

Non-Hispanic

6053 (79.6)

Hispanic

1554 (20.4)

ADI (Mean, SD)

92.15 (24.6) Range: 0–125.75

Annual household income

<50 K

2227 (29.3)

50 K - <100 K

2186 (28.7)

≤100 K

3194 (42.0)

Highest level of parental education

Less than High School

411 (5.40)

High School Graduate/GED

586 (7.70)

Some College

918 (12.1)

Associates/Bachelor’s Degree

2947 (38.7)

Postgraduate Degree

2745 (36.1)

BMIb

Mean (SD)

18.6 (3.85)

Underweight (<5%)

301 (3.96)

Healthy Range (5% - <85%)

5044 (66.3)

Overweight (85% - <95%)

1129 (14.8)

Obese (≥95%)

1133 (14.9)

  1. a All subjects are adolescents with a mean sample age of 9.91 ± 0.621 years.
  2. b Weight Status categories based on CDC guidelines. National BMI percentiles were determined using CDC BMI-for-Age Growth Charts for boys and for girls. Age of 10 years was used (Centers for Disease Control and Prevention).