| Title |
Gene Test or Not. An online tool to help you decide whether or not to get tested to learn your genetic risk for late-onset Alzheimer's disease. |
| To access it |
Click here to view the decision aid on the developer website |
| Audience |
Anyone considering genetic testing for their Alzheimer's risk or considering genetic testing for genealogy, cardiovascular risk, or other conditions which will return their Alzheimer's risk. |
| Options included |
Have APOE genetic testing.
Do not have APOE genetic testing. |
| Year of last update or review |
2016 |
| Format |
Web |
| Developer |
Doris Zallen, Virginia Tech |
| Where was it developed? |
http://medicine.vtc.vt.edu/people/doris-t-zallen/
Virginia Tech
United States |
| Health condition |
Alzheimer's Disease |
| Type of decision aid |
Screening |
| Language |
English |
Checklist
| Criteria to be defined as a patient decision aid |
Answer |
| • The decision aid describes the condition (health or other) related to the decision. |
Yes |
| • The decision aid describes the decision that needs to be considered (the index decision). |
Yes |
| • The decision aid identifies the target audience. |
Yes |
| • The decision aid lists the options (healthcare or other). |
Yes |
| • The decision aid has information about the positive features of the options (e.g. benefits, advantages). |
Yes |
| • The decision aid has information about negative features of the options (e.g. harms, side effects, disadvantages). |
Yes |
| • The decision aid helps patients clarify their values for outcomes of options by:
a) asking people to think about which positive and negative features of the options matter most to them AND/OR
b) describing each option to help patients imagine the physical, social, and /or psychological effect. |
Yes |
| Criteria to lower the risk of making a biased decision |
Answer |
| • The decision aid makes it possible to compare the positive and negative features of the available options. |
No |
| • The decision aid shows the negative and positive features of the options with equal detail. |
Yes |
| • The decision aid compares probabilities (e.g. chance of a disease, benefit, harm, or side effect) of options using the same denominator. |
Yes |
| • The decision aid (or available technical documents) reports funding sources for development. |
Unknown |
| • The decision aid reports whether authors of the decision aid or their affiliations stand to gain or lose by choices people make after using the decision aid. |
Yes |
| • The decision aid includes authors/developers' credentials or qualifications. |
Unknown |
| • The decision aid reports the date when it was last updated. |
Yes |
| • The decision aid (or available technical document) reports readability levels. |
Yes |
| • The decision aid provides references to scientific evidence used. |
Yes |
| Other criteria for decision aids about screening or testing |
Answer |
| • The decision aid has information about what the test is designed to measure. |
Yes |
| • The decision aid describes possible next steps based on the test results. |
No |
| • The decision aid has information about the chances of disease being found with and without screening. |
No |
| • The decision aid has information about detection and treatment of disease that would never have caused problems if screening had not been done. |
No |
| Other criteria indicating quality |
Answer |
| • The decision aid describes what happens in the natural course of the condition (health or other) if no action is taken. |
Yes |
| • The decision aid has information about the procedures involved (e.g. what is done before, during, and after the healthcare option). |
Yes |
| • The information about outcomes of options (positive and negative) includes the chances they may happen. |
Yes |
| • The decision aid presents probabilities using event rates in a defined group of people for a specified time. |
No |
| • The decision aid compares probabilities of options over the same period of time. |
No |
| • The decision aid uses the same scales in diagrams comparing options. |
Yes |
| • Users (people who previously faced the decision) were asked what they need to prepare them to discuss a specific decision. |
Yes |
| • The decision aid was reviewed by people who previously faced the decision who were not involved in its development and field testing. |
Yes |
| • People who were facing the decision field tested the decision aid. |
Yes |
| • Field testing showed that the decision aid was acceptable to users (the general public & practitioners). |
Yes |
| • Field testing showed that people who were undecided felt that the information was presented in a balanced way. |
Yes |
| • There is evidence that the decision aid (or one based on the same template) helps people know about the available options and their features. |
Yes |
| • There is evidence that the decision aid (or one based on the same template) improves the match between the features that matter most to the informed person and the option that is chosen. |
Yes |
Last modified:
2024-03-04.
