Table 7.

Summary of appearance changes made in response to usability testing.

Page	Appearance feedback	Changes made
1. Title page	Make title acronym clearer and change font color	Title acronym was made more obvious and changed font color
4. PDa diagnosis or treatment	Some of the text was too small	Increased text font
7. VUSb	Graphic was confusing	Clarified graphic
9. When to consider GTc	Want more diverse pictures	Included more diverse pictures
10. Benefits and risks	Colors were too vibrant and hurt eyes	Toned down color scheme
15. GBAd page 2	Did not like picture	Changed the picture
20. Conclusion	Did not like red font	Changed font color

^aPD: Parkinson disease.

^bVUS: variant of uncertain significance.

^cGT: genetic testing.

^dGBA: glucocerebrosidase.