Cohort effects of tobacco control policy: evidence to support a tobacco-free norm through smoke-free policy.

Tob Control · 2020 · PMC6952843 · PMID 30554163

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a decreasing trendno p-value reported

Among girls, a decreasing trend in smoking prevalence (−0.6; 95% CI: −0.6 to –0.5) was observed during the baseline period of 2006–2011.

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