Psychometric Evaluation and Validation of the Questionnaire on Stress in Diabetic Patients in Brazilian Portuguese

1
Dr. Amanda Vit Ria Zorzi Segalla
Dr. Amanda Vit Ria Zorzi Segalla
2
Silmara Meneguin
Silmara Meneguin
3
Cesar de Oliveira
Cesar de Oliveira
4
Carlos Antônio Negrato
Carlos Antônio Negrato
1 Department of Nursing Botucatu Medical School Sao Paulo State University

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Introduction: Diabetes mellitus (DM) is the most common chronic metabolic disease worldwide, affecting individuals of all ages. Objective: To analyse the psychometric properties of the Brazilian version of the Questionnaire on Stress in Diabetic Patients– Revised (QSD-R). Methods: A cross-sectional methodological study was conducted at both public and private healthcare services involving 315 patients diagnosed with type 2 diabetes. Construct validity was evaluated through exploratory and confirmatory factor analysis. Reliability was estimated using Cronbach’s alpha coefficient and the intraclass correlation coefficient (ICC). Convergent validity was tested with the Diabetes-21 Quality of Life Scale and the Hospital Anxiety and Depression Scale (HADS).

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Dr. Amanda Vit Ria Zorzi Segalla. 2026. \u201cPsychometric Evaluation and Validation of the Questionnaire on Stress in Diabetic Patients in Brazilian Portuguese\u201d. Global Journal of Medical Research - F: Diseases GJMR-F Volume 25 (GJMR Volume 25 Issue F1): .

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Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

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December 6, 2025

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Introduction: Diabetes mellitus (DM) is the most common chronic metabolic disease worldwide, affecting individuals of all ages. Objective: To analyse the psychometric properties of the Brazilian version of the Questionnaire on Stress in Diabetic Patients– Revised (QSD-R). Methods: A cross-sectional methodological study was conducted at both public and private healthcare services involving 315 patients diagnosed with type 2 diabetes. Construct validity was evaluated through exploratory and confirmatory factor analysis. Reliability was estimated using Cronbach’s alpha coefficient and the intraclass correlation coefficient (ICC). Convergent validity was tested with the Diabetes-21 Quality of Life Scale and the Hospital Anxiety and Depression Scale (HADS).

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Psychometric Evaluation and Validation of the Questionnaire on Stress in Diabetic Patients in Brazilian Portuguese

Dr. Amanda Vit Ria Zorzi Segalla
Dr. Amanda Vit Ria Zorzi Segalla Department of Nursing Botucatu Medical School Sao Paulo State University
Silmara Meneguin
Silmara Meneguin
Cesar de Oliveira
Cesar de Oliveira
Carlos Antônio Negrato
Carlos Antônio Negrato

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