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ORIGINAL ARTICLE

Determining the continuance intention of military volunteers to use the quit and win smartphone app using the technology acceptance model


1 School of Public Health; Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
2 School of Public Health, National Defense Medical Center, Taipei, Taiwan
3 Tobacco Control Division, John Tung Foundation, Taipei, Taiwan
4 Division of Family Medicine, Department of Family and Community Medicine, Tri-Service General Hospital; School of Medicine, National Defense Medical Center, Taipei, Taiwan
5 Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan
6 Graduate Institute of Life Sciences, National Defense Medical Center; Department of Pharmacy Practice, Tri-Service General Hospital; School of Pharmacy, National Defense Medical Center, Taipei, Taiwan
7 Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
8 Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan

Correspondence Address:
Yu-Lung Chiu,
No.161, Section 6, Minquan E. Road, Neihu District, Taipei City
Taiwan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmedsci.jmedsci_24_20

Background: Determine factors influencing the continuance intention of the Quit & Win smartphone app based on the technology acceptance model (TAM). Methods: This cross-sectional study was conducted on volunteer military personnel who smoke. Participants were asked to download a smoking cessation app and use it for 15-20 minutes before completing a questionnaire. Items in the questionnaire included those on demographic information, perceived usefulness, perceived ease of use, and continuance intention. The structural equation modeling (SEM) was applied to evaluate the TAM. Results: A total of 90 participants were included in this study. The model accounted for 0.81 of the variance in participants' intention to continue using the app. The results revealed that perceived usefulness affected continuance intention, self-efficacy affected perceived ease of use, and perceived ease of use affected perceived usefulness. Conclusions: This study applied the TAM to determine the factors influencing the continuance intention to use a smoking cessation app and revealed that perceived usefulness is the most crucial factor affecting continuance intention. Therefore, future designers of smoking cessation apps shall improve perceived usefulness to increase the continuance intention of users.


 

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