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Smartphone Application for Smoking Cessation (Quit with US): A Randomized Controlled Trial among Young Adult Light Smokers in Thailand

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  • Phantara Chulasai

    (PhD’s Degree Program in Pharmacy, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
    Department of Social Pharmacy, Faculty of Pharmacy, Payap University, Chiang Mai 50000, Thailand)

  • Dujrudee Chinwong

    (Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
    Center of Excellence for Innovation in Analytical Science and Technology for Biodiversity-Based Economic and Society (I-ANALY-S-T_B.BES-CMU), Chiang Mai University, Chiang Mai 50200, Thailand)

  • Purida Vientong

    (Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand)

  • Sunee Lertsinudom

    (Division of Clinical Pharmacy, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand)

  • Penkarn Kanjanarat

    (Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand)

  • John J. Hall

    (School of Population Health, Faculty of Medicine, University of New South Wales, Sydney 2052, Australia)

  • Surarong Chinwong

    (Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
    Center of Excellence for Innovation in Analytical Science and Technology for Biodiversity-Based Economic and Society (I-ANALY-S-T_B.BES-CMU), Chiang Mai University, Chiang Mai 50200, Thailand)

Abstract

This study aimed to determine the efficacy of a smartphone application named Quit with US among young adult smokers. An open-label, parallel, 2-group, randomized controlled trial with a 12-week follow-up was conducted between March and November 2020 among undergraduate students (18 to 24 years) in Chiang Mai Province, Thailand. A total of 273 participants were assigned by simple randomization procedure to the Quit with US intervention group ( n = 137) or the control group ( n = 136). All participants received pharmacists’ smoking cessation counseling at baseline and follow-ups. In addition, the intervention group’s participants were advised to use Quit with US. The baseline and 12-week follow-up assessments were conducted at a study unit, whereas other follow-ups were completed over the telephone. The primary abstinence outcome was the exhaled CO concentration level (≤6 ppm) verified 7-day point prevalence abstinence. At baseline, the participants’ mean (standard deviation) age was 21.06 (1.62) years. Most identified as daily smokers (57.9%, n = 158), consumed ≤10 cigarettes daily (89.4%, n = 244), and expressed low level of nicotine dependence as measured by Heaviness of Smoking Index score (86.1%, n = 235). Regarding intention-to-treat analyses, participants in the Quit with US intervention group achieved significantly greater smoking abstinence rate than those in the control group (58.4% (80/137) vs. 30.9% (42/136), risk ratio = 1.89, 95% confidence intervals = 1.42 to 2.52, p < 0.001). In conclusion, Quit with US integrated with pharmacists’ smoking cessation counseling significantly enhanced smoking abstinence rates among young adult light smokers consuming ≤ 10 cigarettes daily.

Suggested Citation

  • Phantara Chulasai & Dujrudee Chinwong & Purida Vientong & Sunee Lertsinudom & Penkarn Kanjanarat & John J. Hall & Surarong Chinwong, 2022. "Smartphone Application for Smoking Cessation (Quit with US): A Randomized Controlled Trial among Young Adult Light Smokers in Thailand," IJERPH, MDPI, vol. 19(14), pages 1-14, July.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:14:p:8265-:d:857154
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    References listed on IDEAS

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    1. María Barroso-Hurtado & Daniel Suárez-Castro & Carmela Martínez-Vispo & Elisardo Becoña & Ana López-Durán, 2021. "Smoking Cessation Apps: A Systematic Review of Format, Outcomes, and Features," IJERPH, MDPI, vol. 18(21), pages 1-18, November.
    2. Phantara Chulasai & Dujrudee Chinwong & Surarong Chinwong & John J. Hall & Purida Vientong, 2021. "Feasibility of a Smoking Cessation Smartphone App (Quit with US) for Young Adult Smokers: A Single Arm, Pre-Post Study," IJERPH, MDPI, vol. 18(17), pages 1-15, September.
    3. Sunee Lertsinudom & Pentipa Kaewketthong & Tamonwan Chankaew & Dujrudee Chinwong & Surarong Chinwong, 2021. "Smoking Cessation Services by Community Pharmacists: Real-World Practice in Thailand," IJERPH, MDPI, vol. 18(22), pages 1-12, November.
    4. Curry, S.J. & Sporer, A.K. & Pugach, O. & Campbell, R.T. & Emery, S., 2007. "Use of tobacco cessation treatments among young adult smokers: 2005 National Health Interview Survey," American Journal of Public Health, American Public Health Association, vol. 97(8), pages 1464-1469.
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