Among the 27 analyzed countries, three countries exhibited an increasing trend, while 14 countries showed a decreasing trend, and the remaining 10 countries did not present any significant changes.
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Global trends of secondhand smoke exposure among young adolescents from 27 countries, 2003-2021: findings from the World Health Organization database.
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Conclusion Our comprehensive analysis, which included a representative sample of adolescents from 27 countries across the five continents, revealed a notable trend: 14 of these countries showed a decrease in SHS exposure, while Benin, the Maldives, and Myanmar had a significant increase.
In the present analysis based on 175,370 adolescents (male, 46.69%) aged between 13 and 15 years from 27 countries across the five continents, SHS decreased in 14 countries but exhibited an increasing trend in 3 countries (Benin [β, 3.20; 95% CI, 2.50–3.91]; Maldives [β, 0.93; 0.21–1.65]; Myanmar [β, 0.62; 0.29–0.95]).