Skip to main content

Table 1 Sample Characteristics

From: The influence of serotonin- and other genes on impulsive behavioral aggression and cognitive impulsivity in children with attention-deficit/hyperactivity disorder (ADHD): Findings from a family-based association test (FBAT) analysis

Number of genotyped families

607

Total number of genotyped people

2337

Number of genotyped parents

1157

Number of genotyped offspring

1180

Number of offspring per family

 

1

124

2

402

3

72

4

9

Gender of offspring:

 

   Male

793 (67.2%)

   Female

387 (32.8%)

Average age of offspring (Standard Deviation)

10.9 (3.0)

Number of affected offspring

603

Origin:

 

   Northern Europe

882

   Spain

99

   Israel

199

  1. Note: Diagnosis was restricted to children (ADHD combined type) and not systematically attempted with parents.