| Communicating treatment risk reduction to people with low numeracy skills: a cross-cultural comparison. | |
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MedLine Citation:
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PMID: 19833983 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: We sought to address denominator neglect (i.e. the focus on the number of treated and nontreated patients who died, without sufficiently considering the overall numbers of patients) in estimates of treatment risk reduction, and analyzed whether icon arrays aid comprehension. METHODS: We performed a survey of probabilistic, national samples in the United States and Germany in July and August of 2008. Participants received scenarios involving equally effective treatments but differing in the overall number of treated and nontreated patients. In some conditions, the number who received a treatment equaled the number who did not; in others the number was smaller or larger. Some participants received icon arrays. RESULTS: Participants-particularly those with low numeracy skills-showed denominator neglect in treatment risk reduction perceptions. Icon arrays were an effective method for eliminating denominator neglect. We found cross-cultural differences that are important in light of the countries' different medical systems. CONCLUSIONS: Problems understanding numerical information often reside not in the mind but in the problem's representation. These findings suggest suitable ways to communicate quantitative medical data. |
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Authors:
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Rocio Garcia-Retamero; Mirta Galesic |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-10-15 |
Journal Detail:
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Title: American journal of public health Volume: 99 ISSN: 1541-0048 ISO Abbreviation: Am J Public Health Publication Date: 2009 Dec |
Date Detail:
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Created Date: 2009-11-11 Completed Date: 2009-12-07 Revised Date: 2011-12-21 |
Medline Journal Info:
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Nlm Unique ID: 1254074 Medline TA: Am J Public Health Country: United States |
Other Details:
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Languages: eng Pagination: 2196-202 Citation Subset: AIM; IM |
Affiliation:
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Facultad de Psicología, Universidad de Granada, Campus Universitario de Cartuja s/n, 18071 Granada, Spain. rretamer@ugr.es |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Cross-Cultural Comparison* Educational Status* Female Germany Health Knowledge, Attitudes, Practice Humans Male Mathematics Middle Aged Patient Education as Topic* Risk Factors Risk Reduction Behavior* United States |
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