Smart-T smoking EMI app
A tailored smartphone EMI for low-SES smokers was highly acceptable and achieved 20% CO-confirmed abstinence at 12 weeks in a small sample.
Source
An Ecological Momentary Intervention for Smoking Cessation: Evaluation of Feasibility and Effectiveness
Study at a glance
- Design
- Human experiment — Uncontrolled Smart-T ecological momentary messaging around a quit attempt
- N
- N=59 · Socioeconomically disadvantaged adult smokers
- Population
- Socioeconomically disadvantaged adult smokers using Smart-T during a quit attempt
- Outcome
- CO-confirmed point-prevalence abstinence at 12 weeks
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Smart-T smoking EMI app
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
Sample N=59 after exclusions.
sample N=59). On average, participants were 52.0 (SD 7.0) years old, African American (53%, 31/59), and female (54%, 32/59).
20% (12/59) CO-confirmed abstinent at 12 weeks.
Importantly, 20% (12/59) of all participants were biochemically confirmed abstinent 12 weeks following the scheduled quit date.
What they did
59 socioeconomically disadvantaged adult smokers used Smart-T for tailored automated messages around a quit attempt, with CO-confirmed point-prevalence abstinence tracked to 12 weeks.
What they found
Mean ~102 tailored messages/3 weeks; 97% found messages helpful; 20% (12/59) were biochemically confirmed abstinent at 12 weeks.
The limits
What it doesn't show
Uncontrolled small sample cannot prove efficacy versus standard care alone.
Key terms
- EMI
- Ecological momentary intervention delivering support in real time/context.
- Smart-T
- Smartphone smoking-cessation adjunct app evaluated here.
- CO confirmation
- Expired carbon monoxide verifying abstinence claims.
- Point-prevalence abstinence
- Not smoking over a defined recent window at a follow-up visit.
- Low SES
- Socioeconomically disadvantaged safety-net clinic population.
- On-demand tips
- User-initiated Quit Tips and Medication Tips features.
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12-week CO-confirmed abstinence?
Common questions
Sample?
N=59 after excluding 2 non-EMA users.
12-week abstinence?
20% (12/59) CO-confirmed.
Message load?
About 102 automated messages over 3 weeks.
Acceptability?
97% rated messages helpful.
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