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J Genet Couns. 2013 Feb;22(1):108-17. doi: 10.1007/s10897-012-9511-0. Epub 2012 Jun 27.

Design and evaluation of a decision aid for inviting parents to participate in a fragile X newborn screening pilot study.

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  • 1RTI International, Research Triangle Park, 3040 Cornwallis Road, NC 27709, USA. dbailey@rti.org

Abstract

The major objectives of this project were to develop and evaluate a brochure to help parents make an informed decision about participation in a fragile X newborn screening study. We used an iterative development process that drew on principles of Informed Decision Making (IDM), stakeholder input, design expertise, and expert evaluation. A simulation study with 118 women examined response to the brochure. An independent review rated the brochure high on informational content, guidance, and values. Mothers took an average of 6.5 min to read it and scored an average of 91.1 % correct on a knowledge test. Most women rated the brochure as high quality and trustworthy. When asked to make a hypothetical decision about study participation, 61.9 % would agree to screening. Structural equation modeling showed that agreement to screening and decisional confidence were associated with perceived quality and trust in the brochure. Minority and white mothers did not differ in perceptions of quality or trust. We demonstrate the application of IDM in developing a study brochure. The brochure was highly rated by experts and consumers, met high standards for IDM, and achieved stated goals in a simulation study. The IDM provides a model for consent in research disclosing complicated genetic information of uncertain value.

PMID:
22736213
[PubMed - indexed for MEDLINE]
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