Acceptability and Feasibility of Smart Phone Application "OSOMO Prompt” for Health Surveillance in Older Adults by Community Health Workers Niruwan TURNBULL a,b , Adisorn WONGKONGDECH a,b , Ranee WONGKONGDECH c,b , Thanyarat CHAIYAKARM d,b , Worawit JITSUKKA d , Nutchanun KAMONROEK e , Sutin CHANABOON f , Saowaluk SEEDAKET f , David HUGHES g and Kukiat TUDPOR a,b, 1 a Faculty of Public Health, Mahasarakham University b Public Health and Environmental Policy in Southeast Asia Research Cluster (PHEP-SEA), Mahasarakham University c Faculty of Medicine, Mahasarakham University d Faculty of Humanities and Social Sciences, Mahasarakham University e Ubon Ratchathani Provincial Health Office f Sirindhorn College of Public Health, Khon Kaen g Faculty of Medicine, Health & Life Science, Swansea University, Swansea, United Kingdom Abstract The magnanimous functionalities and flexibility of smartphone device make them well suited for collecting field data, especially for the local healthcare professional. This paper describes the results of the acceptability and feasibility for community health workers (CHWs) after using smartphone application called ‘OSOMO prompt’ app. The results indicated that the comparison of means of one sample t-test responses to the questions on the perceived usefulness and perceived ease of use of ‘OSOMO prompt’ app. The CHWs found that the high average scores of using the ‘OSOMO prompt’ app were useful in their job (mean=3.97+.68) and easy to use (Mean=3.95+.62). The app also had high score point of improving the quality of CHWs work, easy to do CHWs job, clearly and stability app while all items of perceived usefulness and perceived ease of use were statistical significantly (p-value <.001). In conclusion, challenging of smartphone ‘OSOMO prompt’ app was feasible and acceptable to CHWs. Keywords mobile phone application, health surveillance, community health workers, elderly population, village health volunteer 1. Introduction Mobile devices have become commonplace in health care settings, leading to rapid growth in development of medical software applications (app) (1). Smartphone devices are now widely accessible and powerful to accomplish many the same functions as desktop computers. It emerges as an option for data collection in real world studies 1 Corresponding author, Kukiat Tudpor, Faculty of Public Health, Mahasarakham University, Kham Rieng, Kantharawichai, Maha Sarakham, Thailand 44150; E-mail: kukiat.t@msu.ac.th. Advances in Informatics, Management and Technology in Healthcare J. Mantas et al. (Eds.) © 2022 The authors and IOS Press. This article is published online with Open Access by IOS Press and distributed under the terms of the Creative Commons Attribution Non-Commercial License 4.0 (CC BY-NC 4.0). doi:10.3233/SHTI220746 386