Table 1.
Phenotypic characteristics of the International Multi site ADHD Genetics (IMAGE) project sample
Mean (sd) | ||
---|---|---|
probands (n=1143) | siblings (n=1453) | |
Age in years | 10.9 (2.8) | 10.9 (3.4) |
IQ | 100.6 (15.8) | 102.1 (14.1) |
Gender (% female) | 13.2 | 48.4 |
SCQ scores | ||
SCQ total | 8.6 (6.2) | 4.5 (4.2) |
social | 2.8 (2.8) | 1.3 (1.9) |
communication | 3.4 (2.4) | 2.3 (2.0) |
restricted & repetitive | 1.8 (1.9) | 0.7 (1.3) |
Conners scores | ||
inattentive | 19.4 (5.1) | 7.6 (7.4) |
hyperactive impulsive | 17.7 (5.6) | 5.8 (6.4) |
Note. SCQ=Social Communication Questionnaire