A synthetic control study spanning 2013 to 2023 examined district-level comprehensive tobacco control policies across Indonesia and their impact on adolescent boy smoking rates. Researchers found that subnational governance mechanisms successfully drove tobacco control outcomes without requiring uniform national enforcement. The quasi-experimental study design compared smoking trends in districts with comprehensive policies against those without, accounting for temporal and demographic variables. Results demonstrate that coordinated local action—combining regulatory, educational, and environmental interventions—produced statistically significant reductions in youth smoking prevalence. This evidence challenges assumptions that fragmented policy landscapes inevitably produce poor public health outcomes. Instead, the data suggests that motivated district administrations can leverage existing decentralized governance structures to implement effective tobacco control, offering a replicable model for similar settings across Southeast Asia and beyond.
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