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Health professionals prefer to communicate risk-related numerical information using “1-in-X” ratios
dc.contributor.author | Sirota, Miroslav | |
dc.contributor.author | Juanchich, Marie | |
dc.contributor.author | Petrova, Dafina | |
dc.contributor.author | García Retamero Imedio, María Del Rocío | |
dc.contributor.author | Walasek, Lukasz | |
dc.contributor.author | Bhatia, Sudeep | |
dc.date.accessioned | 2018-09-19T12:15:52Z | |
dc.date.available | 2018-09-19T12:15:52Z | |
dc.date.issued | 2017 | |
dc.identifier.citation | Sirota, Miroslav, Juanchich, Marie, Petrova, Dafina, Garcia-Retamero, Rocio, Walasek, Lukasz and Bhatia, Sudeep. (2017) Health professionals prefer to communicate risk-related numerical information using “1-in-X” ratios. Medical Decision Making. PREPRINT [http://hdl.handle.net/10481/52767] | es_ES |
dc.identifier.uri | http://wrap.warwick.ac.uk/91940 | |
dc.identifier.uri | http://hdl.handle.net/10481/52767 | |
dc.description.abstract | Previous research showed that format effects such as the “1-in-X” effect – whereby “1-in-X” ratios lead to a higher perceived probability than “N-in-N*X” ratios – alter perceptions of medical probabilities. We do not know, however, how prevalent this effect is in practice – whether health professionals often use “1-in-X” ratios. We assembled four different sources of evidence, involving experimental work and corpus studies, to examine the use of “1-in-X” and other numerical formats quantifying probability. Our results revealed that the use of “1-in-X” ratios is prevalent and that health professionals prefer this format compared with other numerical formats (i.e., the “N-in-N*X”, %, and decimal formats). In Study 1, UK family physicians preferred to communicate prenatal risk using a “1-in-X” ratio (80.4%, n = 131) across different risk levels and regardless of patients’ numeracy levels. In Study 2, a sample from the UK adult population (n = 203), reported that most GPs (60.6%) preferred to use “1-in-X” ratios compared with other formats. In Study 3, “1-in-X” ratios were the most commonly used format in a set of randomly sampled drug leaflets describing the risk of side effects (100%, n = 94). In Study 4, the “1-in-X” format was the most commonly used numerical expression of medical probabilities or frequencies on the UK’s NHS website (45.7%, n = 2,469 sentences). The prevalent use of “1-in-X” ratios magnifies the chances of increased subjective probability. Further research should establish clinical significance of the “1-in-X” effect. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Sage Publications | es_ES |
dc.rights | Atribución-NoComercial-SinDerivadas 3.0 España | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ | * |
dc.subject | Format preference | es_ES |
dc.subject | “1-in-X” effect | es_ES |
dc.subject | “1-in-X” ratio | es_ES |
dc.subject | Subjective probability | es_ES |
dc.subject | Risk communication | es_ES |
dc.title | Health professionals prefer to communicate risk-related numerical information using “1-in-X” ratios | es_ES |
dc.type | journal article | es_ES |
dc.rights.accessRights | open access | es_ES |