Hansenapp: Development of a mobile application to assist primary healthcare providers to control leprosy.

OBJECTIVE: To describe the development and validation of a mobile application to assist health professionals in the management of patients with leprosy and surveillance of contacts in primary healthcare. METHOD: A methodological and developmental study was conducted in three phases: integrative literature review, mobile application development and application validation by health professionals. The construction of the application was supported by the literature review, Nielsen's heuristics and expert validation. Five experts individually analysed the prototype draft and performed two rounds of iterations to refine their recommendations. The validation step was performed by consulting health professionals working in primary healthcare, who evaluated the application for relevance, clarity and usability using a questionnaire based on task-technology fit theory. RESULTS: The mobile app's content, navigation methods and interaction were refined based on the discussions with experts. Their recommendations were applied, and the mobile app was revised until the final version was approved. Content validity indexes of 0.94 (p = 0.007), 0.99 (p > 0.0001) and 0.93 (p = 0.01) were obtained. CONCLUSION: The developed application is a technological tool that could assist primary healthcare providers in dealing with leprosy patients and their contacts in terms of management, planning, monitoring, evaluation, treatment and follow-up, in addition to leprosy control actions.