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Background: Risk stratification using genetic and other types of personal information could improve current best available approaches to ovarian cancer risk reduction, improving identification of women at increased risk of ovarian cancer and reducing unnecessary interventions for women at lower risk. Amounts of information given to women may influence key informed decision-related outcomes, e.g. knowledge. The primary aim of this study was to compare informed decision-related outcomes between women given one of two versions (gist vs. extended) of a decision aid about stratified ovarian cancer risk-management.

Methods: This was an experimental survey study comparing the effects of brief (gist) information with lengthier, more detailed (extended) information on cognitions relevant to informed decision-making about participating in risk-stratified ovarian cancer screening. Women with no personal history of ovarian cancer were recruited through an online survey company and randomised to view the gist (n = 512) or extended (n = 519) version of a website-based decision aid and completed an online survey. Primary outcomes were knowledge and intentions. Secondary outcomes included attitudes (values) and decisional conflict.

Results: There were no significant differences between the gist and extended conditions in knowledge about ovarian cancer (time*group interaction: F = 0.20, p = 0.66) or intention to participate in ovarian cancer screening based on genetic risk assessment (t(1029) = 0.43, p = 0.67). There were also no between-groups differences in secondary outcomes. In the sample overall (n = 1031), knowledge about ovarian cancer increased from before to after exposure to the decision aid (from 5.71 to 6.77 out of a possible 10: t = 19.04, p < 0.001), and 74% of participants said that they would participate in ovarian cancer screening based on genetic risk assessment.

Conclusions: No differences in knowledge or intentions were found between women who viewed the gist version and women who viewed the extended version of a decision aid about risk-stratified ovarian cancer screening. Knowledge increased for women in both decision aid groups. Further research is needed to determine the ideal volume and type of content for decision aids about stratified ovarian cancer risk-management.

Trial Registrations: This study was registered with the ISRCTN registry; registration number: ISRCTN48627877 .

Titel:	Impact of a decision aid about stratified ovarian cancer risk-management on women's knowledge and intentions: a randomised online experimental survey study.
Autor/in / Beteiligte Person:	Meisel, SF ; Freeman, M ; Waller, J ; Fraser, L ; Gessler, S ; Jacobs, I ; Kalsi, J ; Manchanda, R ; Rahman, B ; Side, L ; Wardle, J ; Lanceley, A ; Sanderson, SC
Link:	Zum Volltext
Zeitschrift:	BMC public health, Jg. 17 (2017-11-16), Heft 1, S. 882
Veröffentlichung:	London : BioMed Central, [2001-, 2017
Medientyp:	academicJournal
ISSN:	1471-2458 (electronic)
DOI:	10.1186/s12889-017-4889-0
Schlagwort:	Adolescent Adult Aged Decision Making Female Genetic Predisposition to Disease Humans Internet Middle Aged Ovarian Neoplasms genetics Risk Factors Surveys and Questionnaires Young Adult Decision Support Techniques Early Detection of Cancer psychology Health Knowledge, Attitudes, Practice Intention Ovarian Neoplasms prevention & control
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Corporate Authors: PROMISE team Publication Type: Journal Article; Randomized Controlled Trial Language: English [BMC Public Health] 2017 Nov 16; Vol. 17 (1), pp. 882. <i>Date of Electronic Publication: </i>2017 Nov 16. MeSH Terms: Decision Support Techniques* ; Health Knowledge, Attitudes, Practice* ; Intention* ; Early Detection of Cancer / psychology ; Ovarian Neoplasms / prevention & control ; Adolescent ; Adult ; Aged ; Decision Making ; Female ; Genetic Predisposition to Disease ; Humans ; Internet ; Middle Aged ; Ovarian Neoplasms / genetics ; Risk Factors ; Surveys and Questionnaires ; Young Adult References: Lancet Oncol. 2009 Apr;10 (4):327-40. (PMID: 19282241) ; Breast. 2015 Jun;24(3):237-41. (PMID: 25708717) ; Health Expect. 2008 Sep;11(3):205-7. (PMID: 18816317) ; J Health Psychol. 2007 Jan;12(1):53-65. (PMID: 17158840) ; Lancet. 2015 Apr 25;385(9978):1597-9. (PMID: 25701272) ; J Genet Couns. 2008 Aug;17(4):351-64. (PMID: 18481162) ; Med Decis Making. 1995 Jan-Mar;15(1):25-30. (PMID: 7898294) ; Fam Cancer. 2015 Mar;14(1):135-44. (PMID: 25391615) ; Public Health Genomics. 2013;16(4):184-91. (PMID: 23838408) ; J Clin Oncol. 2013 Jan 1;31(1):49-57. (PMID: 23213100) ; Cochrane Database Syst Rev. 2009 Jul 08;(3):CD001431. (PMID: 19588325) ; Acta Oncol. 2016;55(1):45-51. (PMID: 25990635) ; Lancet. 2016 Mar 5;387(10022):945-956. (PMID: 26707054) ; Health Psychol. 1995 Mar;14(2):132-40. (PMID: 7789348) ; Public Health Genomics. 2010;13(7-8):467-76. (PMID: 20203477) ; Cancer Prev Res (Phila). 2011 Sep;4(9):1356-9. (PMID: 21893498) ; Health Expect. 2001 Jun;4(2):99-108. (PMID: 11359540) ; Patient Educ Couns. 2009 Mar;74(3):318-22. (PMID: 19121915) ; Br J Soc Psychol. 2003 Dec;42(Pt 4):495-511. (PMID: 14715114) ; Cochrane Database Syst Rev. 2014 Jan 28;(1):CD001431. (PMID: 24470076) ; Ann Behav Med. 2008 Jun;35(3):285-94. (PMID: 18575946) ; J Health Commun. 2000 Jan-Mar;5(1):29-39. (PMID: 10848030) ; Genet Med. 2016 Jan;18(1):65-72. (PMID: 25812042) ; Med Care Res Rev. 2013 Feb;70(1 Suppl):50S-79S. (PMID: 23124615) ; Lancet. 2015 Apr 25;385(9978):1642-52. (PMID: 25701273) ; BMC Med Inform Decis Mak. 2008 Jan 24;8:4. (PMID: 18218084) Grant Information: 12677 United Kingdom CRUK_ Cancer Research UK; C1005/A12677 United Kingdom CRUK_ Cancer Research UK Entry Date(s): Date Created: 20171118 Date Completed: 20180320 Latest Revision: 20220129 Update Code: 20240513 PubMed Central ID: PMC5689140

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Impact of a decision aid about stratified ovarian cancer risk-management on women's knowledge and intentions: a randomised online experimental survey study.