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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.