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Table 2 Parent-report questionnaire data for the UK sample

From: Development of the Signposting Questionnaire for Autism (SQ-A): measurement comparison with the 10-item Autism Spectrum Quotient-Child and the Strengths and Difficulties Questionnaire in the UK and Latvia

 

Whole sample (N = 200)

ASD(N = 102)

Other(N = 52)

None(N = 46)

SQ-A

Mean (SD)

5.14 (3.91)

7.39 (3.19)

4.08 (3.37)

1.33 (2.06)

Range

0–14

0–14

0–12

0–9

Median (IQR)

Cronbach’s α

MIIC

5 (6)

.87

.32

7 (5)

.76

.18

3 (6)

.83

.25

0 (2)

.78

.20

Correlation with AQ-10 and SDQ (Spearman’s rs)

AQ-10

SDQ

.79***

.65***

.46***

.19

.76***

.71***

.65***

.55***

AQ-10

    

Mean (SD)

6.39 (3.19)

8.41 (1.37)

5.71 (3.1)

2.65 (2.41)

Range

0–10

5–10

0–10

0–9

Median (IQR)

7 (5)

9 (2)

6 (6)

2 (3)

SDQ

Mean (SD)

19.49 (7.31)

22.92 (5.03)

18.87 (7.33)

12.57 (6.51)

Range

3–37

11–37

4–31

3–29

Median (IQR)

20 (10)

23 (7)

18.5 (13)

11.5 (9)

Correlation between AQ-10 and SDQ

Spearman’s rs

.63***

.16

.66***

.53***

  1. ASD autism spectrum disorder, AQ-10 Autism Spectrum Quotient-10-Child, MIIC mean inter-item correlation, SDQ Strengths and Difficulties Questionnaire, SQ-A Signposting Questionnaire for Autism
  2. ***p < .001