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. 2024 Dec 31;19(12):e0314999.
doi: 10.1371/journal.pone.0314999. eCollection 2024.

The Screening Visual Complaints questionnaire-acquired brain injury: Development and evaluation of psychometric properties in a community sample

Vera Linde Dol  1   2 , Anselm B M Fuermaier  1 , Eline M E Will  2 , Arlette J van Sorge  2 , Joost Heutink  1   2
Affiliations

The Screening Visual Complaints questionnaire-acquired brain injury: Development and evaluation of psychometric properties in a community sample

Vera Linde Dol et al. PLoS One. .

Abstract

Purpose: Visual complaints are a common consequence of acquired brain injury (ABI). Yet, they may be overlooked in clinical practice. The present study aims to develop a screening instrument for assessing visual complaints in individuals with ABI and evaluate its psychometrics properties in a community sample.

Methods: We constructed the Dutch Screening Visual Complaints questionnaire-acquired brain injury (SVCq-abi), a self-report 23-item questionnaire. A Dutch community sample of 1159 participants (Mean [SD] age, 60 [16] years) completed the SVCq-abi and other questionnaires on visual disturbances, executive functioning, mental health, and autistic traits. Confirmatory factor analyses were performed for 5 models (1-factor, 3-factor, 5-factor, second-order, and bifactor) on a random split of half of the sample, and cross-validated on the other half. In addition, we evaluated floor and ceiling effects, scale reliability, test-retest reliability, as well as convergent and divergent validity.

Results: A 5-factor structure of the SVCq-abi was adopted which showed an excellent model of fit, with all item loadings exceeding 0.5. The SVCq-abi subscales demonstrated various floor effects, acceptable scale reliability, moderate to good test-retest reliability (ICC = 0.65 to 0.73), along with sufficient convergent (r2 = 9% to 32%) and divergent validity (r2 = 2% to 13%).

Conclusions: The SVCq-abi shows fundamental psychometric properties and the factor analysis provides support for a 5-factor structure. Further validation of the SVCq-abi in individuals with ABI is essential.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Confirmatory factor analysis models of the SVCq-abi.
Models as follows: (A) 1-factor model; (B) correlated 3-factor model; (C) correlated 5-factor model; (D) second-order model; (E) bifactor model; (F) bifactor model modified. SVCq-abi = Screening Visual Complaints questionnaire-acquired brain injury.
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