Your privacy, your choice

We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media.

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection.

See our privacy policy for more information on the use of your personal data.

for further information and to change your choices.

You are viewing the site in preview mode

Skip to main content

Table 2 Results of scale refinement process for each single-modality sensory subconstruct

From: Examining the latent structure and correlates of sensory reactivity in autism: a multi-site integrative data analysis by the autism sensory research consortium

 

Initial nitems

Final nitems

Final model fit

ρxx/ωT

Scale retained?

TLIC2

RMSEAC2

SRMR

HYPER constructs

       

Auditory (Bifactor)

10

7

0.989

0.051

0.046

0.893/0.945

YES

 Unidimensional model

10

4

0.998

0.030

0.028

0.875/0.898

YESa

Visual

9

4

0.996

0.046

0.021

0.877/0.928

YES

Tactile (Bifactor)

18

13

0.985

0.043

0.047

0.916/0.946

YES

 Unidimensional model

18

4

0.978

0.053

0.038

0.718/0.713

YESa

Olfactory

3

3

–

–

0.017

0.751/0.840

YES

Gustatory

9

4

1.005

0.000

0.017

0.849/0.859

YES

Vestibular/proprioceptive [movement]

10

4

1.002

0.000

0.030

0.757/0.891

YES

HYPO constructs

       

Auditory

5

3

–

–

0.024

0.891/0.904

YES (Speech)

Visual

3

3

–

–

0.024

0.656/0.631

NO

Tactile/somatosensory

9

3

–

–

0.022

0.837/0.863

YES (Pain/Temperature)

Olfactory

2

2

–

–

–

–

NO

Gustatory

1

1

–

–

–

–

NO

SEEK constructs

       

Auditory

3

3

–

–

0.010

0.729/0.623

NO

Visual

12

6

1.002

0.000

0.027

0.834/0.859

YES

Tactile

10

4

1.011

0.000

0.039

0.746/0.727

YES

Olfactory

5

3

–

–

0.045

–

NO

Gustatory

5

3

–

–

0.044

–

NO

Oral tactile

5

4

0.985

0.088

0.026

0.848/0.938

YES

Vestibular/proprioceptive [movement]

10

4

0.993

0.042

0.029

0.831/0.818

YES

  1. HYPER, hyperreactivity; HYPO, hyporeactivity; SEEK, sensory seeking. Bolded values indicate instances wherein a scale did not meet a priori-specified criteria for psychometric adequacy (i.e., TLIC2 > 0.97, RMSEAC2 < 0.089, SRMR < 0.05 [or < 0.033 for 3-item composites], ρxx > 0.7, and ωT > 0.7). nitems, number of items on the scale; TLIC2, C2-statistic based Tucker-Lewis index; RMSEAC2, C2-statistic based root mean square error of approximation; SRMR, limited-information standardized root-mean-square residual; ρxx, marginal reliability; ωT, omega total (composite score reliability)
  2. aAs a bifactor model of these constructs demonstrated adequate fit and stronger reliability, unidimensional Auditory and Tactile HYPER item pools were retained for use in bifactor HYPER model only
Back to article page

Molecular Autism

ISSN: 2040-2392