ArticleBMJ public health2025
Acceptability of a carbon monoxide monitoring feature of a smoking cessation mobile application: a virtual focus group study.
Article in BMJ public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- A tale of two apps: preliminary usability testing of smoking cessation mobile applications among individuals with low socioeconomic status who smoke cigarettes.BMC medical informatics and decision making · 2026Article
- Perceptions of User-Generated Content as a Source of Health Messages in Smoking Cessation Mobile Interventions: Focus Group Study.JMIR human factors · 2025Article
- Article
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Authors and funding
8 authors.
Funding
Abstract
Introduction: Monitoring exhaled carbon monoxide (CO), a physiological measure of cigarette smoking, can aid cessation. Following a multiphase optimisation strategy for intervention development and evaluation, we gauged the acceptability of CO monitoring using the iCOquit Smokerlyzer as an intervention component of a mobile cessation app, Quit Journey, targeting individuals with low socioeconomic status who smoke. Methods: We conducted 12 virtual focus groups with 38 current cigarette smokers who were 18-29 years old and were neither currently enrolled in a 4-year college nor had a 4-year college degree. Using deductive thematic analysis, we coded the transcripts based on constructs from the Second Unified Theory of Acceptance and Use of Technology (ie, performance expectancy, effort expectancy, facilitating conditions, hedonic motivation, social influence) and sentiment (ie, negative, neutral, positive). Results: The top themes were performance expectancy (n=53 quotes, 35.33%), effort expectancy (n=39 quotes, 26.00%) and facilitating conditions (n=20 quotes, 13.33%), where 56.66% of the quotes (n=85) reflected a positive sentiment. CO monitoring was perceived as useful owing to the affordances for tracking progress using an objective metric. While deemed easy to use, concerns emerged related to difficulties in interpreting CO test results. Lack of awareness of CO monitors and their cost was the primary issue under the theme of facilitating conditions. Improvements to the CO monitoring feature centred on providing detailed information on how to use the CO monitor, testing procedure and test values. Conclusions: Exhaled CO monitoring was deemed an acceptable intervention component of Quit Journey. Ensuring the affordability of CO monitors and educating people on CO monitoring would improve their acceptance among people who smoke. CO monitoring could potentially improve the efficacy of mobile interventions, particularly among those disproportionately affected by smoking.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.