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Table 7 Pearson correlations between the CATI subscale scores and corresponding scores obtained from the AQ, ARBQ-2, GSQ, and CAT-Q, and internal consistencies (Cronbach alpha) for each (sub)scale

From: The Comprehensive Autistic Trait Inventory (CATI): development and validation of a new measure of autistic traits in the general population

  CATI
Social interactions (α = .95) Communication (α = .83) Repetitive behaviour (α = .86) Cognitive rigidity (α = .85) Sensory sensitivity (α = .83) Social camouflage (α = .87)
AQ—Social difficulty (α = .93)
 r .916 .449 .284 .275 .446 .406
 p < .0001 < .0001 < .0001 < .0001 < .0001 < .0001
AQ—Communication/mindreading (α = .77)
 r .486 .751 .337 .218 .383 .417
 p < .0001 < .0001 < .0001 .0018 < .0001 < .0001
ARBQ-2A—Repetitive motor behaviour (α = .77)
 r .210 .247 .701 .381 .470 .466
 p .0027 .0004 < .0001 < .0001 < .0001 < .0001
ARBQ-2A—Insistence on sameness (α = .76)
 r .306 .346 .515 .679 .583 .406
 p < .0001 < .0001 < .0001 < .0001 < .0001 < .0001
GSQ—Hyper-sensory sensitivity (α = .89)
 r .387 .361 .439 .412 .773 .419
 p < .0001 < .0001 < .0001 < .0001 < .0001 < .0001
CATQ—Total scale (α = .92)
 r .614 .459 .595 .379 .528 .805
 p < .0001 < .0001 < .0001 < .0001 < .0001 < .0001
  1. Italicised values indicate the key comparisons between a subscale from the CATI and a similar (sub)scale from an established measure