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- W1835440810 abstract "Using usability-tests to improve language match of a web-based system for digital triage in primary care Background: Previous research showed that health care consumers favor web-based communication systems to control their own care [1, 2]. Systems that combine high-quality information with interactive components for self-assessment, decision support, or behavior change have the potential to reduce costs while maintaining the same or achieving better quality of care [3]. A system that incorporates these different features is eConsult|Plus (developed by Medicinfo) which combines digital triage with e-consultation. For digital triage systems to be adopted and accepted, it is important to adjust the system to the needs and expectations of its users. A serious problem hereby is a discrepancy between the language of users and that of the system (inadequate language match) [4]. The system under investigation matches the description of the complaint entered by users to predefined complaints in a database. This matching occurs by comparing the entered description to a list of synonyms of the pre-defined complaints. The matched complaint is linked to questionnaires which provide triage and identify the urgency. The users receive a computer generated advice, varying from “contact a doctor immediately” to sending their GP a question accompanied by the gathered information. Objective: The aim of this study was to assess and improve the language match of a web-based system for digital triage in primary care in the Netherlands.Methods: A usabilitytest (55 consults by 19 unique respondents) was conducted to assess the language match of the webbased system and to obtain insight in the users’ language. These data were used to complement and adapt the database. An online survey (29 different respondents) was conducted to obtain additional synonyms. Finally a second usability-test (60 consults by 20 different respondents) was conducted to measure the effects of adapting the database.Results: The initial usability-test revealed that the system returned a response in 58,1% of cases (no response means the system asks the user to rephrase the complaint) of which only 64,5% included an adequate response. On average respondents needed 2,3 descriptions to get an adequate response. The average number of matchingproblems (problems that occur during the description process and the system’s response) was 5,2. Overall, participants awarded the system with 6,23 (scale 1-10). The second usability-test showed significant improvement in all areas: 82,4% response, of which 91,0% included an adequate response; users only needed 1,42 descriptions to get an adequate response (p=0,001); users experienced 2,42 matching-problems (p=0,000); the overall grade increased to 6,87 (p=0,004).Conclusions: Altering and expanding the database of the system by making use of the actual language of users, significantly improved the language match, resulting in more adequate responses, fewer descriptions needed, less problems experienced and respondents valuing the system higher. This research shows that usability-testing is an effective way of matching the language of systems and their users and that improved matching not only leads to fewer problems, but also to higher ratings and eventually to improved adoption and acceptation of these systems. References 1. Katz SJ, Moyer CA. The emerging role of online communication between patients and their providers. J Gen Intern Med 2004 Sep;19(9):978-83. 2. Eysenbach G, Sa E R, Diepgen T L. Cybermedicine. Interview by Clare Thompson. BMJ 1999 Nov 13;319(7220):1294. 3. Kerr C, Murray E, Stevenson F, Gore C, Nazareth I. Internet interventions for long-term conditions: Patient and caregiver quality criteria. J Med Internet Res 2006 Jul;8(3):e18. 4. Barry CA, Stevenson FA, Britten N, Barber N, Bradley CP. Giving voice to the lifeworld. More humane, more effective medical care? A qualitative study of doctor-patient communication in general practice. Soc Sci Med 2001 Aug;53(4):487-505." @default.
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- W1835440810 date "2008-01-01" @default.
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- W1835440810 title "Using usability-tests to improve language match of a web-based system for digital triage in primary care" @default.
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