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Table 1 Participant characteristics

From: Rapid automatized naming as an index of genetic liability to autism

  Iowa and national samples North Carolina sample
Parent groups Parent groups Proband groups
MIAF N = 215 SIAF N = 62 DWNS N = 53 Autism N = 83 Control N = 32 Autism N = 36 Control N = 38
Mean age (SD) 40.2 (5.8) 39.9 (5.9) 39.6 (8.3) 46.6 (6.8) 46.2 (6.5) 21.5 (5.5) 23.3 (5.9)
Male/Female 106/109 40/40 30/30 37/44 13/19 29/7 30/8
Mean IQ (SD) 105.2 (18.4) 102.8 (15.2) 113.1 (15.6) 117.5 (11.2) 122.1 (10) 101.2 (18.1) 107.9 (15.7)
  1. MIAF multiple incidence autism family, SIAF single incidence autism family, DWNS Down syndrome family, SD Standard Deviation