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Table 1 Descriptive statistics of the study sample (N = 9 353)

From: Brain volumes, behavioral inhibition, and anxiety disorders in children: results from the adolescent brain cognitive development study

Demographics

N

Mean ± SD

Age

9 353

119.00 (7.47)

 

N

Valid %

Sex

9 353

 

    Males

4 875

52.12%

    Females

4 478

47.88%

Race

9 353

 

    Non-Hispanic White

5 172

55.30%

    Non-Hispanic Black

1 237

13.23%

    Non-Hispanic Asian

176

1.88%

    Non-Hispanic others/mixed

970

10.37%

    Hispanic

1 798

19.22%

Income

9 353

 

    < 50 K

2 677

28.62%

    50-100 K

2 703

28.90%

    100 K + 

3 973

42.48%

Parent highest education

9 353

 

    Less than a college degree

3 516

37.59%

    College degree and above

5 837

62.41%

Parent marital status

9 353

 

    Married

6 540

69.92%

    Widowed

76

0.81%

    Divorced/Separated

1 181

12.63%

    Never married

1 060

11.33%

    Living with partner

496

5.30%

Parent anxiety

9 353

5.67%

Parent any psychopathology

9 353

19.60%

Outcomes

 Behavioral inhibition score

9 353

9.51 (3.73)

Child Anxiety

 Present

249

2.66%

 Past

1 317

14.08%