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Risk communication and older people - understanding of probability and risk information by medical inpatients aged 75 years and older

Fuller, Richard, Dudley, Nigel and Blacktop, Jon (2001) Risk communication and older people - understanding of probability and risk information by medical inpatients aged 75 years and older. Age and Ageing, 30 (6). pp. 473-476. ISSN 0002-0729

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Abstract

Objective: to determine older people's understanding of probability and risk information, and the impact of pictorial representation of risk.

Design: a researcher-administered questionnaire.

Subjects: 50 inpatients aged 75 years on elderly medicine wards at Huddersfield Royal Infirmary, Huddersfield, UK.

Results: older people understand percentage probability better than fractional probability, and a wide range of incorrect responses indicated significant over- and underestimation of probabilities. Visual data about percentages were well received and understood, and were perceived as a good idea by participants.

Conclusions: we have demonstrated a wide variation in understanding of risk and probability information by older people, with over- and underestimations of probability, along with confusion between fractional and percentage probability. Pictorial representation of probability was well understood. It could be developed as a simple, yet powerful communication tool to be used in daily clinical practice to help older people understand information on risks and benefits when making decisions about treatment choices.

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Schools: School of Human and Health Sciences
School of Human and Health Sciences > Centre for Applied Childhood Studies
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Depositing User: Cherry Edmunds
Date Deposited: 30 Oct 2008 10:31
Last Modified: 04 Jan 2011 13:28
URI: http://eprints.hud.ac.uk/id/eprint/2495

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