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Peer Texting to Promote Quitline Use and Smoking Cessation Among Rural Participants in Vietnam: Randomized Clinical Trial

Sadasivam, Rajani S
Nagawa, Catherine S
Wijesundara, Jessica G
Flahive, Julie
Nguyen, Hoa L
Larkin, Celine
Faro, Jamie M
Balakrishnan, Kavitha
Ha, Duc Anh
Nguyen, Cuong Kieu
... show 5 more
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Abstract

Objectives: We tested an adapted version of an effective U.S.-based peer-texting intervention to promote Quitline use and smoking cessation among rural participants in Vietnam. Methods: We conducted a two-arm randomized trial with participants recruited at four rural community centers. The intervention included peer messages sent for six months that promoted Quitline use and smoking cessation. Additionally, biweekly two-way text messages assessed participants' interest in Quitline referral and current smoking status. Comparison participants received only the bi-weekly text message assessment of their current smoking status. At six months, we assessed Quitline use and smoking cessation. Smoking cessation was assessed using the 7-day point prevalence question and verified with a carbon monoxide breath monitor (<=6 ppm). Results: Among 750 participants, the intervention had higher Quitline verified use (18%, 95% CI 0.14, 0.22) than comparison (1%, 95% CI .2, 2, p < 0.0001). Carbon-monoxide-verified smoking cessation did not differ between the two groups. However, intervention (28.3%, 95% CI) and comparison (28.1%, 95% CI) participants had substantial rates of carbon monoxide cessation at 6 months (both 28%). Conclusion: Our study highlighted the promise of texting interventions to extend tobacco control efforts in Vietnam.

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Sadasivam RS, Nagawa CS, Wijesundara JG, Flahive J, Nguyen HL, Larkin C, Faro JM, Balakrishnan K, Ha DA, Nguyen CK, Vuong A, Phan PT, Pham QPL, Allison JJ, Houston TK. Peer Texting to Promote Quitline Use and Smoking Cessation Among Rural Participants in Vietnam: Randomized Clinical Trial. Int J Public Health. 2024 Apr 8;69:1606941. doi: 10.3389/ijph.2024.1606941. PMID: 38651035; PMCID: PMC11033404.

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DOI
10.3389/ijph.2024.1606941
PubMed ID
38651035
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Copyright © 2024 Sadasivam, Nagawa, Wijesundara, Flahive, Nguyen, Larkin, Faro, Balakrishnan, Ha, Nguyen, Vuong, Phan, Pham, Allison and Houston. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.Attribution 4.0 International