Usabilidad de una aplicación móvil en el cuidado con el pie diabético

evaluación descriptiva, heurística de la usabilidad de una aplicación híbrida. Quince usuarios de un servicio ambulatorio de atención de diabetes en una capital del noreste de Brasil participaron en abril de 2018. Se aplicó el instrumento brasileño de medición de usabilidad llamado Smartphone Usability questionnaiRE.

Resultados:

el puntaje más bajo fue 77 y el más alto fue 112, con una usabilidad promedio de 96.1 puntos. La usabilidad se enmarcó en los dos últimos niveles, 70 y 80. Los usuarios ahora están totalmente de acuerdo (nivel 70) y totalmente (nivel 80) con los elementos evaluados, lo que representa una buena usabilidad del prototipo de una aplicación.

Conclusiones:

el producto final desarrollado se centra en las necesidades y requisitos del usuario, que pueden garantizar la usabilidad en función de la eficacia, eficiencia y satisfacción de la tríada.

Descriptores:
Autocuidado; Diabetes Mellitus; Telemedicina; Tecnología Educacional; Pie Diabético

Variables	F	%
Age (50.8 ± 14.4 years)
< 40 years	03	20.0
40 - < 50 years	04	26.7
50 - < 60 years	04	26.7
≥ 60 years	04	26.7
Sex
Male	06	40.0
Female	09	60.0
Marital status
Single	06	40.0
Married	06	40.0
Widow(er)	01	6.7
Divorced	02	13.3
Schooling
Elementary School	09	60.0
High School	02	13.3
Higher Education	04	26.7
Time they know they have DM (11.2 ± 5.4 years)
< 5 years	06	40.0
5-10 years	03	20.0
>10 years	06	40.0
Type of treatment
Oral	04	26.7
Injectable	02	13.3
Oral and injectable	09	60.0

Item	Score
Item	1	2	3	4	N/A
1. I found it easy to enter data in these applications. For example, using QR code, picklist, etc.	01	03	05	-	6
2. When I make a mistake it is easy to correct it.	-	4	3	7	1
3. I found the help/tip given by the app to be helpful.	-	-	2	13	-
4. It was easy to find the information I needed.	-	01	03	11	-
5. I felt in charge using this app.	-	01	06	08	-
6. I found the time it took to complete the tasks to be adequate.	-	-	09	06	-
7. It was easy to learn how to use this app.	-	06	02	08	-
8. The sequences of actions in the application correspond to the way I usually perform them. For example, the order of buttons, data fields, etc.	-	03	08	05	-
9. It is easy to do what I want using this app.	-	03	04	08	-
10. It was easy to navigate the application menus and screens.	-	04	05	06	-
11. The app meets my needs.	-	-	04	09	01
12. I would recommend this app to others.	-	-	-	15	-
13. Even in a hurry I would be able to perform the tasks in this application.	01	03	03	08	-
14. I found the app consistent. For example, all functions can be performed in a similar manner.	-	-	08	07	-
15. It is easy to remember how to do things in this app.	-	03	05	07	-
16. I would use this app often.	01	03	06	05	-
17. The organization of menus and action commands (such as buttons and links) is logical, allowing you to easily find them on the screen.	-	04	05	06	-
18. I was able to successfully complete the tasks using this app.	-	03	06	06	-
19. I enjoyed using this app.	-	-	-	-	-
20. The app provides all the information needed to complete tasks clearly and understandably.	-	-	05	09	-
21. I found the app very complicated to use.	01	01	05	08	-
22. Symbols and icons are clear and intuitive.	08	05	01	01	-
23. I found the texts easy to read.	-	-	01	14	-
24. I found the application unnecessarily complex. I had to remember, research, or think hard to complete the tasks.	11	03	01	-	-
25. The terminology used in texts, labels, titles, etc. It is easy to understand.	-	-	05	10	-
26. I would need support from one person to use this app.	05	03	02	05	-
27. I felt comfortable using this app.	-	03	08	04	-
28. The app behaved as I expected.	-	01	09	04	-
29. I found it frustrating to use this app.	11	04	-	-	-
30. I found that the various functions of the application are well integrated.	-	02	06	07	-
31. I felt very confident using this app.	-	03	08	04	-

User	SURE	Level
01	104	Level 80
02	99	Level 80
03	103	Level 80
04	101	Level 80
05	86	Level 80
06	97	Level 80
07	109	Level 80
08	84	Level 80
09	109	Level 80
10	112	Level 80
11	95	Level 80
12	77	Level 70
13	95	Level 80
14	87	Level 80
15	86	Level 80

Associação Brasileira de Enfermagem SGA Norte Quadra 603 Conj. "B" - Av. L2 Norte 70830-102 Brasília, DF, Brasil, Tel.: (55 61) 3226-0653, Fax: (55 61) 3225-4473 - Brasília - DF - Brazil
E-mail: reben@abennacional.org.br

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[1] Corresponding author: Antonio Dean Barbosa Marques. E-mail: antonio-dean@hotmail.com