Factors Influencing the Perceived Effectiveness of COVID-19 Risk Assessment Mobile Application “MorChana” in Thailand: UTAUT2 Approach

Nattakit Yuduang, Ardvin Kester S. Ong, Yogi Tri Prasetyo*, Thanatorn Chuenyindee, Poonyawat Kusonwattana, Waranya Limpasart, Thaninrat Sittiwatethanasiri, Ma Janice J. Gumasing, Josephine D. German, Reny Nadlifatin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


COVID-19 contact-tracing mobile applications have been some of the most important tools during the COVID-19 pandemic. One preventive measure that has been incorporated to help reduce the virus spread is the strict implementation of utilizing a COVID-19 tracing application, such as the MorChana mobile application of Thailand. This study aimed to evaluate the factors affecting the actual usage of the MorChana mobile application. Through the integration of Protection Motivation Theory (PMT) and Unified Theory of Acceptance and Use of Technology (UTAUT2), latent variables such as performance expectancy (PE), effort expectancy (EE), social influence (SI), facilitating conditions (FC), hedonic motivation (HM), habit (HB), perceived risk (PCR), self-efficacy (SEF), privacy (PR), trust (TR), and understanding COVID-19 (U) were considered to measure the intention to use MorChana (IU) and the actual usage (AU) of the mobile application. This study considered 907 anonymous participants who voluntarily answered an online self-administered survey collected via convenience sampling. The results show that IU presented the highest significant effect on AU, followed by HB, HM, PR, FC, U, SEF, PE, EE, TR, and SI. This is evident due to the strict implementation of using mobile applications upon entering any area of the vicinity. Moreover, PCR was not seen to be a significant latent factor affecting AU. This study is the first to have evaluated mobile contact tracing in Thailand. The integrated framework can be applied and extended to determine factors affecting COVID-19 tracing applications in other countries. Moreover, the findings of this study could be applied to other health-related mobile applications worldwide.

Original languageEnglish
Article number5643
JournalInternational Journal of Environmental Research and Public Health
Issue number9
Publication statusPublished - 1 May 2022


  • COVID-19 contact tracing
  • MorChana
  • PMT
  • UTAUT2
  • mobile application


Dive into the research topics of 'Factors Influencing the Perceived Effectiveness of COVID-19 Risk Assessment Mobile Application “MorChana” in Thailand: UTAUT2 Approach'. Together they form a unique fingerprint.

Cite this