Spots Global Cancer Trial Database for Australian Screening Mammography Decision Aid Trial (ASMDAT)
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Trial Identification
Brief Title: Australian Screening Mammography Decision Aid Trial (ASMDAT)
Official Title: An Evaluation of a Decision Aid for Women Aged Over 70 Considering Whether to Stop or Continue Having Mammography Screening.
Study ID: NCT00247442
Conditions
Interventions
Study Description
Brief Summary: The purpose of the study is to develop and evaluate a decision aid to assist women aged 70 years and over to make an informed choice about whether to continue screening mammography.
Detailed Description: The primary aims of the study are to assess the impact of the decision aid on (1) the proportion of women who make an informed choice about whether to continue screening mammography, and (2) the participation rates of screening among women aged 70 years and older. There are two secondary aims of the study. First, to measure the effect of the decision support tool on women's decisional conflict, anxiety, and knowledge about the issues involved in screening mammography. Second, to compare relationships between a woman's objective and perceived risk of breast cancer with her decision to continue or stop screening mammography. Screening mammography is recommended for women aged 50-69 years but there is no recommendation for women aged 70 years and older. Therefore the decision to continue or stop having screening mammograms are largely dependent on the importance women place on the perceived benefits and harms of screening. The decision aid is a paper workbook and worksheet containing information on the outcomes of screening mammography for women aged 70 years and older (based on a published model- Barratt et al. 2005), steps to decision making and values clarification exercise. Currently it is not known if a decision aid with information about the benefits and risks of screening mammography can help women aged 70 years and older to make an informed choice. In addition to delivering benefits to individual women in assisting them to to make an informed choice the decision aid may lead to benefits for service providers such as improved efficiency and cost-effectiveness of screening women in this age group. Thus the impact of a decision aid in the efficiency and cost-effectiveness of screening mammography is an important but untested hypothesis.
Eligibility
Minimum Age: 70 Years
Eligible Ages: OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: Yes
Locations
University of Sydney, Sydney, New South Wales, Australia
Contact Details
Name: Heather Davey, B.Psych, MPH
Affiliation: University of Sydney
Role: PRINCIPAL_INVESTIGATOR
Name: Nehmat Houssami, MBBS, PhD
Affiliation: University of Sydney
Role: PRINCIPAL_INVESTIGATOR
Name: Erin Mathieu, B.Ed, MPH
Affiliation: University of Sydney
Role: PRINCIPAL_INVESTIGATOR
Name: Andrew Page, BA (Hons)
Affiliation: BreastScreen NSW
Role: PRINCIPAL_INVESTIGATOR
Name: Richard Taylor, MBBS, PhD
Affiliation: BreastScreen NSW
Role: PRINCIPAL_INVESTIGATOR
Name: Sian Smith, BSc (Hons)
Affiliation: University of Sydney
Role: PRINCIPAL_INVESTIGATOR
Name: Phyllis Butow, MPH, PhD
Affiliation: University of Sydney
Role: PRINCIPAL_INVESTIGATOR
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