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Construct Validity of the Brazilian Portuguese Version of the Thyroidectomy-Related Voice and Symptom Questionnaire (BR-PT-TVSQ)

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Title: Construct Validity of the Brazilian Portuguese Version of the Thyroidectomy-Related Voice and Symptom Questionnaire (BR-PT-TVSQ)
Language: English
Authors: Ana Flávia de Sales Cândido (ORCID 0000-0002-6890-380X), Jozemar Pereira dos Santos, Anna Alice Almeida (ORCID 0000-0002-9119-5629), João Agnaldo do Nascimento, Leandro Pernambuco (ORCID 0000-0001-6246-9769)
Source: International Journal of Language & Communication Disorders. 2026 61(1).
Availability: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
Peer Reviewed: Y
Page Count: 10
Publication Date: 2026
Document Type: Journal Articles
Reports - Research
Descriptors: Construct Validity, Portuguese, Foreign Countries, Questionnaires, Speech Language Pathology, Voice Disorders, Symptoms (Individual Disorders), Factor Analysis, Factor Structure
Geographic Terms: Brazil
DOI: 10.1111/1460-6984.70183
ISSN: 1368-2822
1460-6984
Abstract: Background: Impairment of voice and swallowing after thyroidectomy can negatively affect communication, eating and overall quality of life. The Thyroidectomy-Related Voice and Symptom Questionnaire was developed to facilitate the early identification and monitoring of voice and swallowing outcomes in patients who have undergone thyroidectomy. While it has been translated and culturally adapted to Brazilian Portuguese, there is currently no evidence supporting its construct validity. Aim: To examine the construct validity of the Brazilian Portuguese version of the Thyroidectomy-Related Voice and Symptom Questionnaire (BR-PT-TVSQ). Methods and Procedures: This cross-sectional study included 395 Brazilian individuals undergoing thyroidectomy, mainly female (95.2%), with a mean age of 41.38 ± 11.12 years. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were used to test the structural validity of the 20-item BR-PT-TVSQ. Internal consistency was assessed using Cronbach's alpha. Convergent and discriminant validity were analysed through internal correlations. Outcomes and Results: The EFA suggested a three-factor model with a Cronbach's alpha of 0.947. The CFA confirmed the three-factor model with acceptable goodness-of-fit indices: Factor 1 = voice symptoms; Factor 2 = oropharyngolaryngeal symptoms and Factor 3 = cervical and thoracic discomfort. All three factors presented significant convergent validity. The discriminatory power between Factors 2 and 3 was smaller than in other comparisons. Conclusions and Implications: The BR-PT-TVSQ provided evidence of construct validity for a three-factor model with acceptable structure, convergent and discriminant validity. These sources of validity evidence are crucial to clinically ensure that the TVSQ-PT-BR structure accurately represents the investigated outcomes.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1495267
Database: ERIC
FullText Text:
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  Data: Construct Validity of the Brazilian Portuguese Version of the Thyroidectomy-Related Voice and Symptom Questionnaire (BR-PT-TVSQ)
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  Data: <searchLink fieldCode="AR" term="%22Ana+Flávia+de+Sales+Cândido%22">Ana Flávia de Sales Cândido</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-6890-380X">0000-0002-6890-380X</externalLink>)<br /><searchLink fieldCode="AR" term="%22Jozemar+Pereira+dos+Santos%22">Jozemar Pereira dos Santos</searchLink><br /><searchLink fieldCode="AR" term="%22Anna+Alice+Almeida%22">Anna Alice Almeida</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-9119-5629">0000-0002-9119-5629</externalLink>)<br /><searchLink fieldCode="AR" term="%22João+Agnaldo+do+Nascimento%22">João Agnaldo do Nascimento</searchLink><br /><searchLink fieldCode="AR" term="%22Leandro+Pernambuco%22">Leandro Pernambuco</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0001-6246-9769">0000-0001-6246-9769</externalLink>)
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  Data: <searchLink fieldCode="SO" term="%22International+Journal+of+Language+%26+Communication+Disorders%22"><i>International Journal of Language & Communication Disorders</i></searchLink>. 2026 61(1).
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  Data: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
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  Data: Y
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  Data: 10
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  Data: 2026
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  Data: <searchLink fieldCode="DE" term="%22Construct+Validity%22">Construct Validity</searchLink><br /><searchLink fieldCode="DE" term="%22Portuguese%22">Portuguese</searchLink><br /><searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink><br /><searchLink fieldCode="DE" term="%22Questionnaires%22">Questionnaires</searchLink><br /><searchLink fieldCode="DE" term="%22Speech+Language+Pathology%22">Speech Language Pathology</searchLink><br /><searchLink fieldCode="DE" term="%22Voice+Disorders%22">Voice Disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Symptoms+%28Individual+Disorders%29%22">Symptoms (Individual Disorders)</searchLink><br /><searchLink fieldCode="DE" term="%22Factor+Analysis%22">Factor Analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Factor+Structure%22">Factor Structure</searchLink>
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  Data: 10.1111/1460-6984.70183
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  Data: 1368-2822<br />1460-6984
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background: Impairment of voice and swallowing after thyroidectomy can negatively affect communication, eating and overall quality of life. The Thyroidectomy-Related Voice and Symptom Questionnaire was developed to facilitate the early identification and monitoring of voice and swallowing outcomes in patients who have undergone thyroidectomy. While it has been translated and culturally adapted to Brazilian Portuguese, there is currently no evidence supporting its construct validity. Aim: To examine the construct validity of the Brazilian Portuguese version of the Thyroidectomy-Related Voice and Symptom Questionnaire (BR-PT-TVSQ). Methods and Procedures: This cross-sectional study included 395 Brazilian individuals undergoing thyroidectomy, mainly female (95.2%), with a mean age of 41.38 ± 11.12 years. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were used to test the structural validity of the 20-item BR-PT-TVSQ. Internal consistency was assessed using Cronbach's alpha. Convergent and discriminant validity were analysed through internal correlations. Outcomes and Results: The EFA suggested a three-factor model with a Cronbach's alpha of 0.947. The CFA confirmed the three-factor model with acceptable goodness-of-fit indices: Factor 1 = voice symptoms; Factor 2 = oropharyngolaryngeal symptoms and Factor 3 = cervical and thoracic discomfort. All three factors presented significant convergent validity. The discriminatory power between Factors 2 and 3 was smaller than in other comparisons. Conclusions and Implications: The BR-PT-TVSQ provided evidence of construct validity for a three-factor model with acceptable structure, convergent and discriminant validity. These sources of validity evidence are crucial to clinically ensure that the TVSQ-PT-BR structure accurately represents the investigated outcomes.
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  Data: 2026
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  Data: EJ1495267
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