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Title

Impact of information about risks and benefits of cancer screening on intended participation

Authors
Charvet-Bérard, Agathe
Published in European Journal of Cancer. 2010, vol. 46, no. 12, p. 2267-74
Abstract BACKGROUND: Providing comprehensive information about the risks and benefits of cancer screening is ethically necessary, but information about risks may decrease participation. This study explored the impact of information on intended participation using a randomised factorial design. METHODS: We conducted a mail survey of 2333 adults living in Geneva, Switzerland. Each participant was given one randomly chosen version of a scenario that described a hypothetical cancer screening test, and was asked whether he or she would accept to undergo screening. The versions varied in terms of the amount of information about risks and benefits. RESULTS: Respondents who received information about risks associated with screening were more likely to refuse participation (odds ratio 2.6 (95% confidence interval (CI) 2.0-3.5)) than those who received minimal information. In contrast, information about benefits had no impact on intended participation (odds ratio 1.0 (95% CI 0.8-1.2)). The impact of information about risks was significantly stronger in women than in men, in respondents who were in poorer health, who have had a doctor visit in the past 6months, those who have had a cancer screening test in the past 3years, and those who reported a high desire for autonomy in medical decisions. CONCLUSIONS: Informing potential participants about the risks of screening may reduce participation rates. Enhanced information about the benefits of screening does not counterbalance this effect. Copyright 2010 Elsevier Ltd. All rights reserved.
Keywords AdultEarly Detection of Cancer/utilizationFemaleHumansMaleMiddle AgedNeoplasms/prevention & controlPatient Acceptance of Health Care/psychologyPatient Compliance/psychologyPatient Education as TopicQuestionnairesRisk AssessmentSwitzerland
Identifiers
PMID: 20466537
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Research group Epidémiologie clinique (115)
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(ISO format)
PERNEGER, Thomas et al. Impact of information about risks and benefits of cancer screening on intended participation. In: European Journal of Cancer, 2010, vol. 46, n° 12, p. 2267-74. doi: 10.1016/j.ejca.2010.04.011 https://archive-ouverte.unige.ch/unige:31600

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Deposited on : 2013-12-03

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