Skip to main content

Table 1 Demographic characteristics of the study sample

From: The Ritvo Autism Asperger Diagnostic Scale-Revised (RAADS-R): A Scale to Assist the Diagnosis of Autism Spectrum Disorder in Adults: An International Validation Study

Group N Males Females Mean age Married % Highest grade % Mean IQ
N % N % High school College Graduate
Autistic disorder 66 52 79.1 14 20.9 30.81 13.4 52.2 37.3 10.4 114
Asperger’s disorder 135 93 68.9 42 31.1 32.01 21.5 37.8 53.3 7.4 122
ASD 201 145 72.1 56 27.9 31.45 18.9 45.0 45.3 8.9 119
No DSM-IV-TR 276 114 41.3 162 58.7 41.51 39.5 37.7 46.0 16.3 116
Other DSM-IV-TR 302 134 44.4 168 55.6 42.04 28.5 40.1 53.3 6 112
Comparisons 578 248 42.9 330 57.1 41.78 33.7 38.9 49.65 11.15 114
Full sample 779 394 44.4 386 49.5   29.9 39.9 49.4 10.3 116.5