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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.
BMC Public Health 2017; 17(1):882BP

Abstract

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 .

Authors+Show Affiliations

Department of Behavioural Science and Health, University College London, London, UK. Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.Department of Behavioural Science and Health, University College London, London, UK.Department of Behavioural Science and Health, University College London, London, UK.Department of Women's Cancer, Institute for Women's Health, University College London, London, UK.Department of Women's Cancer, Institute for Women's Health, University College London, London, UK.University of New South Wales, Sydney, NSW, Australia.Department of Women's Cancer, Institute for Women's Health, University College London, London, UK.Department of Women's Cancer, Institute for Women's Health, University College London, London, UK.Department of Women's Cancer, Institute for Women's Health, University College London, London, UK.University College Southampton, Southampton, UK.Department of Behavioural Science and Health, University College London, London, UK.Department of Women's Cancer, Institute for Women's Health, University College London, London, UK.Department of Behavioural Science and Health, University College London, London, UK. saskia.sanderson@ucl.ac.uk. Great Ormond Street Hospital, London, UK. saskia.sanderson@ucl.ac.uk.No affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

29145813

Citation

Meisel, Susanne F., et al. "Impact of a Decision Aid About Stratified Ovarian Cancer Risk-management On Women's Knowledge and Intentions: a Randomised Online Experimental Survey Study." BMC Public Health, vol. 17, no. 1, 2017, p. 882.
Meisel SF, Freeman M, Waller J, et al. Impact of a decision aid about stratified ovarian cancer risk-management on women's knowledge and intentions: a randomised online experimental survey study. BMC Public Health. 2017;17(1):882.
Meisel, S. F., Freeman, M., Waller, J., Fraser, L., Gessler, S., Jacobs, I., ... Sanderson, S. C. (2017). Impact of a decision aid about stratified ovarian cancer risk-management on women's knowledge and intentions: a randomised online experimental survey study. BMC Public Health, 17(1), p. 882. doi:10.1186/s12889-017-4889-0.
Meisel SF, et al. Impact of a Decision Aid About Stratified Ovarian Cancer Risk-management On Women's Knowledge and Intentions: a Randomised Online Experimental Survey Study. BMC Public Health. 2017 11 16;17(1):882. PubMed PMID: 29145813.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Impact of a decision aid about stratified ovarian cancer risk-management on women's knowledge and intentions: a randomised online experimental survey study. AU - Meisel,Susanne F, AU - Freeman,Maddie, AU - Waller,Jo, AU - Fraser,Lindsay, AU - Gessler,Sue, AU - Jacobs,Ian, AU - Kalsi,Jatinderpal, AU - Manchanda,Ranjit, AU - Rahman,Belinda, AU - Side,Lucy, AU - Wardle,Jane, AU - Lanceley,Anne, AU - Sanderson,Saskia C, AU - ,, Y1 - 2017/11/16/ PY - 2017/04/21/received PY - 2017/11/06/accepted PY - 2017/11/18/entrez PY - 2017/11/18/pubmed PY - 2018/3/21/medline SP - 882 EP - 882 JF - BMC public health JO - BMC Public Health VL - 17 IS - 1 N2 - 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 . SN - 1471-2458 UR - https://wwww.unboundmedicine.com/medline/citation/29145813/Impact_of_a_decision_aid_about_stratified_ovarian_cancer_risk_management_on_women's_knowledge_and_intentions:_a_randomised_online_experimental_survey_study_ L2 - https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-017-4889-0 DB - PRIME DP - Unbound Medicine ER -