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Article: Early childhood exposure to secondhand smoke and behavioural problems in preschoolers

TitleEarly childhood exposure to secondhand smoke and behavioural problems in preschoolers
Authors
Issue Date2018
PublisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at http://www.nature.com/srep/index.html
Citation
Scientific Reports, 2018, v. 8, article no. 15434, p. 1-6 How to Cite?
AbstractEvidence on behavioural abnormalities in children exposed to secondhand smoke is limited. This study examined the relation between infant/ toddler cotinine concentration, a biomarker of secondhand smoke exposure, and behavioural problems in preschoolers who were unexposed to maternal smoking during gestation. A prospective cohort of 301 non-smoking mothers with their young children aged ≤18 months visiting postnatal primary care clinics in Hong Kong was enrolled in 2012 and followed by telephone survey 3 years afterwards. Saliva was collected at baseline for cotinine assay. Child behavioural health at 3-year follow-up was assessed by the parent-reported Strengths and Difficulties Questionnaire (SDQ). We conducted multivariable linear regressions to compute regression coefficients (b) of SDQ scores in relation to salivary cotinine level. Mean ± SD age of children at follow-up was 3.7 ± 0.5 years and 50.8% were boys. After adjusting for age, sex, birthweight, household income, housing type, maternal education and depressive symptoms, greater cotinine concentrations during early childhood were associated with greater conduct problems (b = 0.90, 95% CI 0.03–1.76) and hyperactivity/ inattention (b = 1.12, 95% CI 0.07–2.17) at preschool age. This study corroborates previous findings on the potential role of secondhand smoke in development of child behavioural problems.
Persistent Identifierhttp://hdl.handle.net/10722/269370
ISSN
2017 Impact Factor: 4.122
2015 SCImago Journal Rankings: 2.073
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLuk, TT-
dc.contributor.authorWang, MP-
dc.contributor.authorSuen, YN-
dc.contributor.authorKoh, DS-
dc.contributor.authorLam, TH-
dc.contributor.authorChan, SSC-
dc.date.accessioned2019-04-24T08:06:17Z-
dc.date.available2019-04-24T08:06:17Z-
dc.date.issued2018-
dc.identifier.citationScientific Reports, 2018, v. 8, article no. 15434, p. 1-6-
dc.identifier.issn2045-2322-
dc.identifier.urihttp://hdl.handle.net/10722/269370-
dc.description.abstractEvidence on behavioural abnormalities in children exposed to secondhand smoke is limited. This study examined the relation between infant/ toddler cotinine concentration, a biomarker of secondhand smoke exposure, and behavioural problems in preschoolers who were unexposed to maternal smoking during gestation. A prospective cohort of 301 non-smoking mothers with their young children aged ≤18 months visiting postnatal primary care clinics in Hong Kong was enrolled in 2012 and followed by telephone survey 3 years afterwards. Saliva was collected at baseline for cotinine assay. Child behavioural health at 3-year follow-up was assessed by the parent-reported Strengths and Difficulties Questionnaire (SDQ). We conducted multivariable linear regressions to compute regression coefficients (b) of SDQ scores in relation to salivary cotinine level. Mean ± SD age of children at follow-up was 3.7 ± 0.5 years and 50.8% were boys. After adjusting for age, sex, birthweight, household income, housing type, maternal education and depressive symptoms, greater cotinine concentrations during early childhood were associated with greater conduct problems (b = 0.90, 95% CI 0.03–1.76) and hyperactivity/ inattention (b = 1.12, 95% CI 0.07–2.17) at preschool age. This study corroborates previous findings on the potential role of secondhand smoke in development of child behavioural problems.-
dc.languageeng-
dc.publisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at http://www.nature.com/srep/index.html-
dc.relation.ispartofScientific Reports-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleEarly childhood exposure to secondhand smoke and behavioural problems in preschoolers-
dc.typeArticle-
dc.identifier.emailWang, MP: mpwang@hku.hk-
dc.identifier.emailSuen, YN: suenyn@hku.hk-
dc.identifier.emailLam, TH: hrmrlth@hkucc.hku.hk-
dc.identifier.emailChan, SSC: scsophia@hku.hk-
dc.identifier.authorityWang, MP=rp01863-
dc.identifier.authoritySuen, YN=rp02481-
dc.identifier.authorityLam, TH=rp00326-
dc.identifier.authorityChan, SSC=rp00423-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1038/s41598-018-33829-6-
dc.identifier.pmid30337640-
dc.identifier.pmcidPMC6194078-
dc.identifier.scopuseid_2-s2.0-85055072535-
dc.identifier.hkuros297500-
dc.identifier.hkuros295074-
dc.identifier.volume8-
dc.identifier.spagearticle no. 15434, p. 1-
dc.identifier.epagearticle no. 15434, p. 6-
dc.identifier.isiWOS:000447591000091-
dc.publisher.placeUnited Kingdom-

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