- Among boys ages 6-12 years with autism and ADHD, the tetrad of high screening scores, conduct issues, hyperactivity, and low prosocial behaviour characterises the 2 together.
Why this matters
- These 2 conditions often occur together, but teasing out which features are associated with their co-occurrence has been difficult.
- Children with ADHD only were taking more prescribed medications compared with those with ADHD and autism or autism only (P<.001>
- Compared with children with autism only, those with ADHD or autism+ADHD had higher total difficulties scores on the strengths and difficulties questionnaire screening for autism (P=.002).
- They also had more behavioural problems and hyperactivity scores.
- The children with autism+ADHD had lower scores for prosocial behaviour than the children with ADHD only.
- Study included 102 boys: 39 with autism and ADHD, 37 with autism only, 26 with ADHD.
- Parent ratings were used.
- Funding: Tokyo Metropolitan Government.
- Selection bias for children referred to a leading paediatric centre.
- Included only boys.