Table 1

Similarities between children from families who consented to join ASD-UK and families who chose not to participate, who provided the data

Consenting families (n=1000)Families who chose not to participate (n=208)
Gender, %
 Male8078
 Female2016
Diagnosis, %
 Autism2025
 ASD6051
 Asperger syndrome1819
Median year of birth20052003 (n=157)
Mean Townsend score0.861.61