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Table 1 Wave 3 full sample and subsample demographic information

From: Behavioural and physiological response to frustration in autistic youth: associations with irritability

Mean (standard deviation, range)

Full intensive sample (n=77)

Sample who completed frustration task (n=52)

t-test of group differences

Age

15.38 (1.16, 13.2–17.8)

15.40 (1.10, 13.2–17.3)

p=.61

% male (n)

60% (46)

63% (33)

p=.61

IQa

69.88 (31.36, 19–129)

84.54 (21.74, 33–129)

p<.001

Autism Severitya (ADOS-CSS)

6.72 (2.66, 1–10)

6.31 (2.83, 1–10)

p=.32

ARI total

3.74 (3.26, 0–12)

4.02 (3.37, 0–12)

p=.56

  1. aMeasured at wave 2, approximately 2 years previously
  2. ADOS-CSS Autism Diagnostic Observation Schedule-2 calibrated severity score, ARI Affective Reactivity Index
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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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