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Table 1 Demographic and independent variables

From: Elevated cortisol during play is associated with age and social engagement in children with autism

  Autism Neurotypical  
Variable Mean SD Range Mean SD Range t -score df P value
Age 10.0 1.1 8.0-12.0 9.9 1.5 8.1-12.5 0.18 43 0.86
IQ 89.7 14.7 75-125 121.0 12.4 99-142 -7.77 43 < 0.0005
SRS 104.4 32.3 58-164 22.3 16.7 4-61 10.78 41 < 0.0005
SCQ 25.0 6.2 12-34 2.6 2.4 0-9 16.18 40 < 0.0005
  1. SD, standard deviation; SRS, Social Responsiveness Scale; SCQ, Social Communication Questionnaire; df , degrees of freedom.