A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data

ObjectiveThis study aims to compare the trends of tobacco prevalence and secondhand smoke exposure in Rizhao, China, before and after the lockdown, and to analyze the changes in residents’ awareness of smoking-related diseases.MethodTwo cross-sectional surveys on tobacco prevalence and secondhand sm...

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Main Authors: Zhao-Hui Liang, Gui-Zhi Han, Miao-Miao Liu
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Public Health
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpubh.2025.1588781/full
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author Zhao-Hui Liang
Gui-Zhi Han
Miao-Miao Liu
author_facet Zhao-Hui Liang
Gui-Zhi Han
Miao-Miao Liu
author_sort Zhao-Hui Liang
collection DOAJ
description ObjectiveThis study aims to compare the trends of tobacco prevalence and secondhand smoke exposure in Rizhao, China, before and after the lockdown, and to analyze the changes in residents’ awareness of smoking-related diseases.MethodTwo cross-sectional surveys on tobacco prevalence and secondhand smoke exposure were conducted in Rizhao, China, in 2022 and 2024. The chi-square test was used to determine whether there were significant differences.ResultA total of 1872 valid questionnaires were collected from the two surveys. The results showed that the current smoking rate declined significantly from 32.53 to 25.84% (χ2 = 10.08, p = 0.002), with daily smoking rate also slightly decreased from 20.44 to 19.33% (χ2 = 0.36, p = 0.551). Paradoxically, the passive smoking rate among nonsmokers surged from 32.08 to 48.39% (χ2 = 35.53, p < 0.01), while residents’ awareness of smoking-related diseases declined.ConclusionOur study reveals a paradoxical situation in Rizhao: declining active smoking contrasts sharply with escalating secondhand smoke exposure, along with decreasing public awareness of smoking-related diseases. These trends suggest that conventional tobacco control measures have been effective in curbing active smoking, while they are insufficient to address the new behavioral patterns emerging from the prolonged indoor confinement and changing work-life arrangements during the pandemic. Effective tobacco control campaigns and targeted interventions for key populations are urgently needed.
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spelling doaj-art-e0b3f76eb6a04e83a4dbaf06a1c4823b2025-06-26T05:27:46ZengFrontiers Media S.A.Frontiers in Public Health2296-25652025-06-011310.3389/fpubh.2025.15887811588781A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 dataZhao-Hui LiangGui-Zhi HanMiao-Miao LiuObjectiveThis study aims to compare the trends of tobacco prevalence and secondhand smoke exposure in Rizhao, China, before and after the lockdown, and to analyze the changes in residents’ awareness of smoking-related diseases.MethodTwo cross-sectional surveys on tobacco prevalence and secondhand smoke exposure were conducted in Rizhao, China, in 2022 and 2024. The chi-square test was used to determine whether there were significant differences.ResultA total of 1872 valid questionnaires were collected from the two surveys. The results showed that the current smoking rate declined significantly from 32.53 to 25.84% (χ2 = 10.08, p = 0.002), with daily smoking rate also slightly decreased from 20.44 to 19.33% (χ2 = 0.36, p = 0.551). Paradoxically, the passive smoking rate among nonsmokers surged from 32.08 to 48.39% (χ2 = 35.53, p < 0.01), while residents’ awareness of smoking-related diseases declined.ConclusionOur study reveals a paradoxical situation in Rizhao: declining active smoking contrasts sharply with escalating secondhand smoke exposure, along with decreasing public awareness of smoking-related diseases. These trends suggest that conventional tobacco control measures have been effective in curbing active smoking, while they are insufficient to address the new behavioral patterns emerging from the prolonged indoor confinement and changing work-life arrangements during the pandemic. Effective tobacco control campaigns and targeted interventions for key populations are urgently needed.https://www.frontiersin.org/articles/10.3389/fpubh.2025.1588781/fulltobacco epidemicsmokingpassive smokingsecond-hand smokeawarenessCOVID-19
spellingShingle Zhao-Hui Liang
Gui-Zhi Han
Miao-Miao Liu
A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data
Frontiers in Public Health
tobacco epidemic
smoking
passive smoking
second-hand smoke
awareness
COVID-19
title A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data
title_full A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data
title_fullStr A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data
title_full_unstemmed A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data
title_short A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data
title_sort comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in rizhao china analysis of 2022 and 2024 data
topic tobacco epidemic
smoking
passive smoking
second-hand smoke
awareness
COVID-19
url https://www.frontiersin.org/articles/10.3389/fpubh.2025.1588781/full
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