ArticleBMJ open2025
Effectiveness of tobacco control policy interventions on tobacco use behaviours and health outcomes based on ITS research methodology: a scoping review.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Unmasking the appeal: voices of young adults prior to World No Tobacco Day at Qatar University.Frontiers in public health · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo provide an overview of the effectiveness of global tobacco control policies using Interrupted Time Series (ITS) methodology and analyse key health outcome indicators and methodological differences in ITS studies. DATA SOURCES: PubMed, Web of Science and Embase were searched for ITS studies on tobacco control policies from database inception to 1 July 2024. STUDY SELECTION: 55 English-language studies were selected based on strict inclusion criteria. DATA EXTRACTION: Three researchers extracted data on study characteristics, design, conclusions and limitations. DATA SYNTHESIS: Of the studies, 28 used monthly time intervals, 40 focused on a single time break, 47 used non-Autoregressive Integrated Moving Average models, 40 considered seasonality, 34 controlled for confounding factors and only 13 included a control group. The implementation and evaluation of tobacco control policies demonstrated considerable geographical imbalance, with Europe reporting the largest number of evaluations (n = 23), followed by Asia (n = 12) and North America (n = 10), whereas South America (n = 4), multiple regions (n = 4) and Oceania (n = 2) were markedly under-represented. Overall, policies were associated with beneficial effects across multiple health outcomes, including reductions in emergency visit rate, hospitalisation rates, secondhand smoke exposure rate and smoking prevalence, although certain outcome measures exhibited notable heterogeneity.
conclusionsITS applications differ in time-interval selection, modelling and control of seasonality and confounding, contributing to result heterogeneity. Tobacco control policies are effective across multiple health indicators, though variability warrants further study. Future work should enhance reporting and methodological standardisation, particularly in control group use and statistical modelling, and strengthen policy implementation and evaluation in low- and middle-income countries to promote equitable global progress.
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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.