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Table 1 Sociodemographic and clinical features of the sample (N = 22)

From: Early childhood infections, antistreptococcal and basal ganglia antibodies in adult ADHD: a preliminary study

Features

Value

Male, n (%)

12 (54.5%)

Age (years), Mdn ± IQR

30 ± 12

Education, n (%)

 Middle school diploma

9 (40.9)

 High school diploma

8 (36.4)

 Bachelor’s degree

2 (9.1)

 Master’s degree

3 (13.6)

Occupational status, n (%)

 Employed

11 (50)

 Unemployed

6 (27.3)

 Students

5 (22.7)

Reference to ADHD outpatient center, n (%)

 Autonomous

10 (45.5)

 General Practitioner

4 (18.2)

 Child neuropsychiatrist

2 (9.1)

ADHD subtype, n (%)

 Predominantly inattentive

12 (54.5)

 Predominantly hyperactive/impulsive

0 (0)

 Combined

10 (45.5)

Positive family history of psychiatric disorders, n (%)

8 (36.4)

Positive family history of ADHD, n (%)

6 (27.3)

Psychiatric comorbidity, n (%)

8 (36.4)

Recurrent infections during childhood, n (%)

14 (63.6%)

 Tonsillitis or adenoiditis

7 (31.8)

 with Surgical removal

3 (13.6)

 Rheumatic fever

3 (13.6)

 Otitis

1 (4.5)

 Mixed upperway infection

1 (4.5)

 Glomerulonephritis

1 (4.5)

 Pneumonia

1 (4.5)