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Table 1 Demographic characteristics of youth participants in publicly available data sets

From: Using the big data approach to clarify the structure of restricted and repetitive behaviors across the most commonly used autism spectrum disorder measures

  Study
AGRE NDAR SSC IAN HBN
SRS-2 N = 2282 N = 3365 N = 2867 N = 8132 N = 115
Mean age (SD), years 8.34 (3.54) 9.48 (3.55) 9.03 (3.56) 9.75 (3.85) 10.31 (2.99)
Female % 31.4 17.8 13.6 18.1 19.6
SCQ N = 1012 N = 1185 N = 13,541 N = 102
Mean age (SD), years 5.94 (4.04) 8.82 (3.62) 8.05 (4.05) 10.31 (2.99)
Female %   14.3 18.4 19.6
ADI-R N = 3733 N = 2398 N = 2854
Mean age (SD), years 8.73 (4.86) 8.89 (5.46) 9.02 (3.57)
Female % 22.5 21.2 13.6
ADOS Module 3 N = 1159 N = 2330 N = 1629
Mean age (SD), years 9.52 (3.0) 10.34 (3.19) 9.75 (3.15)
Female % 17.9 24.3 11.3
ADOS Module 4 N = 264 N = 849 N = 83
Mean age (SD), years 18.89 (7.52) 23.69 (9.24) 16.26 (1.40)
Female % 28.4 17.6 10.8
  1. ADI-R, Autism Diagnostic Interview Revised; ADOS, Autism Diagnostic Observation Schedule; AGRE, Autism Genetic Research Exchange; NDAR, National Database for Autism Research; SCQ, Social Communication Questionnaire; SRS, Social Responsiveness Scale standardization dataset; SSC, Simons Simplex Collection; IAN, Interactive Autism Research Database; HBN, Healthy Brain Network