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Table 1 Characteristics of the sample

From: Evaluating the latent structure of the non-social domain of autism in autistic adults

Sex N %
Females 478 57.4
Males 355 42.6
Raven’s IQ score   
Above 130 37 9.1
116 to 130 84 20.7
86 to 115 244 60.1
71 to 85 32 7.9
56 to 70 9 2.2
Age and diagnosis N Mean (SD) Range
Age 833 44.7 (13.6) 16–82
Age of diagnosis 760 36.5 (15.0) 3–75
Time since diagnosis (years) 760 8.3 (5.6) 0.01– 31.9
Measures
Adult Routines Index    
Insistence on sameness 833 41.6 (8.9) 12–60
Repetitive motor behaviours 833 31.7 (10.1) 14–64
Just right behaviours 833 20.3 (6.2) 7–35
Sensory sensitivity 833 20.5 (5.4) 6–30
Compulsions/special interests 833 12.3 (3.9) 5–25
Sensory Perception Quotient short    
Total score 462 60.1 (15.4) 12–102
Autism Spectrum Quotient short    
Numbers and patterns 793 13.7 (3.9) 5–20