Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological Study
Background: The usability of electronic health records influences patient safety, clinical efficiency, and the sustainable digital transformation of health care. While tools such as the System Usability Scale exist, few are based on structured software quality models or align with local regulatory f...
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2026
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| author | David Mamani-Pari Alex Froilan Peñaloza-Hualpa Milton Edward Humpiri Flores Eder Gutierrez-Quispe Jorge Eddy Otazu Luque |
| author_browse | Alex Froilan Peñaloza-Hualpa David Mamani-Pari Eder Gutierrez-Quispe Jorge Eddy Otazu Luque Milton Edward Humpiri Flores |
| author_facet | David Mamani-Pari Alex Froilan Peñaloza-Hualpa Milton Edward Humpiri Flores Eder Gutierrez-Quispe Jorge Eddy Otazu Luque |
| author_sort | David Mamani-Pari |
| collection | Producción científica |
| description | Background: The usability of electronic health records influences patient safety, clinical efficiency, and the sustainable digital transformation of health care. While tools such as the System Usability Scale exist, few are based on structured software quality models or align with local regulatory frameworks, particularly in low- and middle-income countries. Objective: This study aims to develop and psychometrically validate an instrument to assess electronic health record usability, based on the ISO 25010 (International Organization for Standardization) quality model, and in accordance with the Peruvian Technical Health Standard (Norma Técnica de Salud [NTS]). Methods: A 3-stage methodological study was conducted following COSMIN (Consensus-based Standards for the Selection of Health Measurement Instruments) guidelines. First, a 23-item instrument was developed, grouped into 7 usability dimensions based on ISO 25010. Second, content validity was assessed using a modified Delphi method with 10 experts, using Aiken's V coefficient. Third, structural validity and reliability were evaluated in 115 participants (physicians, nurses, and administrative staff) using confirmatory factor analysis and Cronbach α. Additionally, the module's functional compliance with the NTS was verified. Results: The instrument demonstrated excellent psychometric properties among 115 participants (53 physicians, 48 nurses, and 14 administrative staff); high content validity (Aiken's V=0.95; 95% CI 0.84-0.98), excellent internal consistency (α=.968), and optimal factor fit (Comparative Fit Index=1.000; Tucker-Lewis Index=1.001). Overall usability was perceived as very high by 94 of 115 users (81.7%), and high by 21 of 115 users (18.3%), with no perceptions at lower levels. The module met 28 of 35 requirements (80%) of the Peruvian Technical Health Standard. Administrative staff reported higher satisfaction (13/14, 93% rated it as very high) compared with clinical professionals (81/101, 80% rated it as very high), particularly in the dimensions of error protection and operability. Conclusions: This study provides the first fully psychometrically validated instrument in Spanish based on ISO 25010, System Usability Scale, and other theoretical foundations for evaluating the usability of information systems. The results highlight the importance of considering both international standards and local regulatory requirements (NTS) in the design of digital health systems. The instrument is applicable in Spanish-speaking contexts and can serve as a reference for future usability evaluations in the region as well as in low- and middle-income countries. |
| format | Article |
| id | openalex:W7153994523 |
| institution | UPeU |
| language | English |
| publishDate | 2026 |
| publishDateRange | 2026 |
| publishDateSort | 2026 |
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| spelling | openalex:W7153994523Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological StudyDavid Mamani-PariAlex Froilan Peñaloza-HualpaMilton Edward Humpiri FloresEder Gutierrez-QuispeJorge Eddy Otazu Luqueelectronic health recordsusability evaluationISO/IEC 25010psychometric validationhealth information systemslow- and middle-income countriesSystem Usability ScaleCOSMINcontent validitystructural validityreliability statisticsprovider satisfactionerror protectionoperabilityPeruSpanish-language instrumentregulatory complianceElectronic Health Records SystemsUsability and User Interface DesignHealth Education and ValidationBackground: The usability of electronic health records influences patient safety, clinical efficiency, and the sustainable digital transformation of health care. While tools such as the System Usability Scale exist, few are based on structured software quality models or align with local regulatory frameworks, particularly in low- and middle-income countries. Objective: This study aims to develop and psychometrically validate an instrument to assess electronic health record usability, based on the ISO 25010 (International Organization for Standardization) quality model, and in accordance with the Peruvian Technical Health Standard (Norma Técnica de Salud [NTS]). Methods: A 3-stage methodological study was conducted following COSMIN (Consensus-based Standards for the Selection of Health Measurement Instruments) guidelines. First, a 23-item instrument was developed, grouped into 7 usability dimensions based on ISO 25010. Second, content validity was assessed using a modified Delphi method with 10 experts, using Aiken's V coefficient. Third, structural validity and reliability were evaluated in 115 participants (physicians, nurses, and administrative staff) using confirmatory factor analysis and Cronbach α. Additionally, the module's functional compliance with the NTS was verified. Results: The instrument demonstrated excellent psychometric properties among 115 participants (53 physicians, 48 nurses, and 14 administrative staff); high content validity (Aiken's V=0.95; 95% CI 0.84-0.98), excellent internal consistency (α=.968), and optimal factor fit (Comparative Fit Index=1.000; Tucker-Lewis Index=1.001). Overall usability was perceived as very high by 94 of 115 users (81.7%), and high by 21 of 115 users (18.3%), with no perceptions at lower levels. The module met 28 of 35 requirements (80%) of the Peruvian Technical Health Standard. Administrative staff reported higher satisfaction (13/14, 93% rated it as very high) compared with clinical professionals (81/101, 80% rated it as very high), particularly in the dimensions of error protection and operability. Conclusions: This study provides the first fully psychometrically validated instrument in Spanish based on ISO 25010, System Usability Scale, and other theoretical foundations for evaluating the usability of information systems. The results highlight the importance of considering both international standards and local regulatory requirements (NTS) in the design of digital health systems. The instrument is applicable in Spanish-speaking contexts and can serve as a reference for future usability evaluations in the region as well as in low- and middle-income countries.Articlehttps://doi.org/10.2196/81377W7153994523enJMIR Human Factors2292-94952026-04-13 |
| spellingShingle | electronic health records usability evaluation ISO/IEC 25010 psychometric validation health information systems low- and middle-income countries System Usability Scale COSMIN content validity structural validity reliability statistics provider satisfaction error protection operability Peru Spanish-language instrument regulatory compliance Electronic Health Records Systems Usability and User Interface Design Health Education and Validation David Mamani-Pari Alex Froilan Peñaloza-Hualpa Milton Edward Humpiri Flores Eder Gutierrez-Quispe Jorge Eddy Otazu Luque Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological Study |
| title | Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological Study |
| title_full | Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological Study |
| title_fullStr | Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological Study |
| title_full_unstemmed | Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological Study |
| title_short | Development and Psychometric Validation of a Usability Instrument Based on ISO 25010 for Electronic Health Record Systems in Peruvian Health Care Settings: Methodological Study |
| title_sort | development and psychometric validation of a usability instrument based on iso 25010 for electronic health record systems in peruvian health care settings methodological study |
| topic | electronic health records usability evaluation ISO/IEC 25010 psychometric validation health information systems low- and middle-income countries System Usability Scale COSMIN content validity structural validity reliability statistics provider satisfaction error protection operability Peru Spanish-language instrument regulatory compliance Electronic Health Records Systems Usability and User Interface Design Health Education and Validation |
| topic_facet | electronic health records usability evaluation ISO/IEC 25010 psychometric validation health information systems low- and middle-income countries System Usability Scale COSMIN content validity structural validity reliability statistics provider satisfaction error protection operability Peru Spanish-language instrument regulatory compliance Electronic Health Records Systems Usability and User Interface Design Health Education and Validation |
| url | https://doi.org/10.2196/81377 |
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