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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Am J Hosp Palliat Care. 2020 Sep 17;38(8):983–994. doi: 10.1177/1049909120959057

Table 2.

App Quality and Readability.

Mobile App ACP Tools (iOS) ACP Tools, (Android) BIDMC Health Care Contingency Plan—Personal MedStar CR My Dot Mediq My Directives My Health Proxy My Living Will Paper Health
Functionality
 Performance   4   2   2   5   2   4   2   2   4   2
 Ease of use   4   1   5   4   3   3   5   5   5   2
 Navigation   4   1   5   5   3   4   5   5   4   2
 Gestural design   4   2   5   4   4   4   5   5   4   2
Aesthetics
 Layout   3   1   5   4   2   4   4   4   4   2
 Graphics   3   1   4   4   1   3   4   4   3   2
 Visual appeal   3   1   3   4   2   2   3   3   3   2
Readability
 Flesch Reading Ease score 75a 75a 68 55   b   b   b 56 60 48

All MARS20 criteria items are rated on a 5-point scale from 1 (inadequate) to 5 (excellent). Scale anchor definitions vary across items (see Appendix).

a

Reflects an average of 2 text samples taken from the app.

b

Not enough words on the app itself to calculate.