Household Exposure to Secondhand Smoke among Chinese Children: Status, Determinants, and Co-Exposures

Muxing Xie, Chunrong Jia, Yawei Zhang, Beibei Wang, Ning Qin, Suzhen Cao, Liyun Zhao, Dongmei Yu and Xiaoli Duan
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Muxing Xie: School of Energy and Environmental Engineering, University of Science and Technology of Beijing, Beijing 100083, China
Chunrong Jia: School of Public Health, University of Memphis, Memphis, TN 38152, USA
Yawei Zhang: Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, CT 06520, USA
Beibei Wang: School of Energy and Environmental Engineering, University of Science and Technology of Beijing, Beijing 100083, China
Ning Qin: School of Energy and Environmental Engineering, University of Science and Technology of Beijing, Beijing 100083, China
Suzhen Cao: School of Energy and Environmental Engineering, University of Science and Technology of Beijing, Beijing 100083, China
Liyun Zhao: National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
Dongmei Yu: National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
Xiaoli Duan: School of Energy and Environmental Engineering, University of Science and Technology of Beijing, Beijing 100083, China

IJERPH, 2020, vol. 17, issue 15, 1-12

Abstract: Smoking prevalence stays high among adults in China, which also makes children exposed to secondhand smoke (SHS) in their households. This study aimed to investigate the status of SHS exposure among Chinese children, identify the influencing factors, and determine “co-exposure” to tobacco and other smokes in households. A total of 41,439 children aged 6–17 years were recruited from 30 provinces in Mainland China through the first Chinese Environmental Exposure-Related Human Activity Model Survey for Children (CEERHAPS-C). Information regarding children’s demographics, socioeconomic status, and exposures to SHS and solid fuel smoke (SFS) in households was collected using a comprehensive questionnaire. Factors that affected exposures to household smokes were identified using multivariable logistic regressions. The overall prevalence of household SHS exposure was 41.7%, and the average duration was 14.7 ± 14.6 min/day among the exposed participants. Prevalence of household SHS exposure increased among children in older age groups and with parents in lower education levels. Among SHS-exposed children, 34% had co-exposure to SFS, and they had a significantly higher risk of co-exposure than non-SHS exposed children (odds ratio = 1.12, 95% confidence interval: 1.061, 1.162). The prevalence of household SHS exposure remains high among school-age children, suggesting the need to develop and implement smoking-free home programs.

Keywords: secondhand smoke; solid fuel smoke; school-age children; co-exposure; socioeconomic status (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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