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Research Article

Cross-Cultural Adaptation and Psychometric Validation of the Interview Satisfaction Questionnaire (ISQ) to Assess Unmet Health Communication Needs of Iranian Breast Cancer Patients

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Published online: 05 Dec 2023
 

ABSTRACT

Autonomous and patient-centered health communication (PCHC) between a healthcare provider (HCP) and a client (HCC) is a critical fundament for successful healthcare outcomes. A standard and validated data collection tool for studying the satisfaction of Iranian breast cancer patients (BCPs) with various aspects of their health communication with HCPs does not exist. The current study assessed the application, feasibility, and cultural appropriateness of the Persian-translated version of the interview satisfaction questionnaire (ISQ) in the Iranian context. A standard translation/back-translation procedure was used to prepare a preliminary Persian version of the ISQ (ISQ-P) which was then evaluated for content and face validity by a panel of experts. The study data were collected from 200 breast cancer patients and used to estimate the internal consistency measure of Cronbach’s alpha and intra-class correlation coefficient. Confirmatory factor analysis (CFA) was performed to verify the compatibility of the instrument’s identified dimensions with the original ISQ’s factor structure. The calculated content validity index (CVI = 0.89), content validity ratio (CVR = 0.49), and Cronbach’s alpha coefficient (0.79) indicated the appropriateness of the ISQ-P for its intended purpose. The CFA’s outputs (root mean square error of approximation (RMSEA) = 0.09, comparative fit index (CFI) = 0.954, Tucker-Lewis index (TLI) = 0.931, standardized root mean square residual (SRMR) = 0.04) affirmed the fitness of the study data to the original 4-factor conceptual model. The study findings supported the suitability of ISQ-P for assessing health communication episodes by Persian-speaking BCPs. However, due to cultural variation, cross-border diversity of health systems, and organizational circumstances, further validity and reliability appraisal of the ISQ-P in distinct sub-samples is recommended.

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Acknowledgements

The authors gratefully thank all patients who participated in this study without which this study would not have been possible.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Ethical approval

Approval was obtained from the institutional-level Medical Ethics Board of Trustees (MEBoT) at Tabriz University of Medical Sciences (Approval Number: IR.TBZMED.REC.1398.726).

Informed consent

Informed written consent was obtained from all the study attendees (patients) before completing the ISQ-P.

Data availability statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

Notes

1. Standardized Estimates.

Additional information

Funding

This work was partially supported by the Tabriz University of Medical Sciences [grant number: 63386].

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