Table 1.
Clinical characteristics of ADHD, ASD and Control groups in Clinic and Community
| Age |
SWAN t-scoreb |
SCQ Symptom Countc | IQ | |||
|---|---|---|---|---|---|---|
| Clinic | n (%) | Mean (sd) | Mean (sd) | Median (IQR)d | Mean (sd) | |
| Controls | Males | 99 (65) | 11.7 (2.8) | 44.8 (10.4) | 2 (1;4) | 108.6 (12.6) |
| Females | 63 (35) | 11.7 (3.1) | 43.2 (10.2) | 2 (1;3) | 107.7 (13.1) | |
| ADHD | Males | 301 (71) | 10.4 (2.8) | 66.7 (7.4) | 5.2 (3;10) | 100.9 (15.1) |
| Females | 122 (29) | 9.9 (2.4) | 68.5 (7.2) | 5 (2;9) | 98.6 (15.8) | |
| ASD | Males | 205 (79) | 11.7 (3.1) | 63.3 (8.8) | 17 (13;22) | 95.0 (19.2) |
| Females | 56 (21) | 12.3 (3.0) | 64.3 (8.6) | 18 (10,21.6) | 97.3 (16.6) |
| Community | ||||||
|---|---|---|---|---|---|---|
| Controls | Males | 7,182 (48) | 10.8 (2.7) | 48.1 (8.8) | ||
| Females | 7,660 (52) | 11.2 (2.9) | 49.2 (8.8) | |||
| ADHD | Males | 663 (72) | 11.3 (2.6) | 61.7 (8.3) | ||
| Females | 263 (28) | 12.0 (2.7) | 63.6 (9.1) | |||
| ASD | Males | 164 (86) | 11.0 (2.4) | 61.7 (8.3) | ||
| Females | 26 (14) | 10.9 (2.8) | 64.7 (7.3) | |||
| ADHD High Traita | Males | 207 (61) | 10.6 (2.8) | 67.8 (5.6) | ||
| Females | 130 (39) | 12.1 (3.3) | 70.7 (5.9) |
aHigh Trait SWAN total, inattentive, and/or hyperactive t-score > 70 but no community diagnosis of ADHD or ASD
bSWAN t-scores do not control for gender
cSCQ symptom count is sum of items coded as yes
dIQR Interquartile Range