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Article: Childhood passive smoking exposure and age at menarche in Chinese women who had never smoked: The Guangzhou Biobank Cohort Study

TitleChildhood passive smoking exposure and age at menarche in Chinese women who had never smoked: The Guangzhou Biobank Cohort Study
Authors
Issue Date2015
PublisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.action
Citation
PLoS One, 2015, v. 10 n. 7, article no. e0130429 How to Cite?
AbstractObjective We examined the associations between childhood passive smoking exposure and age at menarche in women who had never smoked in southern China. Methods Among 30,518 participants in Guangzhou Biobank Cohort Study (GBCS) from 2003-2008, 20,061 women who had never smoked and had complete outcome data were included. Childhood passive smoking exposure was defined as living with 1 or more smokers in the same household during childhood. Data on the number of smokers in the household and frequency of exposure (density and frequency) were also obtained. Age at menarche was measured as a continuous variable. Results 11,379 (56.7%) participants were exposed to passive smoking during childhood. Compared to those with no passive smoking exposure during childhood, those with exposure ≥5 days/week had menarche 0.19 year (95% confidence interval (CI): 0.13-0.25) earlier on average. Those exposed to more than two smokers had menarche 0.38 year earlier (95% CI: 0.29-0.47). Childhood exposure was associated with early age at menarche (≤13 vs. >13 years), with an adjusted odds ratio of 1.34 (95% CI: 1.21-1.48) for high density, and 1.17 (95% CI: 1.09-1.26) for high frequency of exposure. Conclusion Childhood passive smoking exposure was associated with earlier age at menarche, with a dose-response relationship in Chinese women who had never smoked. If causal, the results support the promotion of smoking cessation in families with children, particularly young girls.
Persistent Identifierhttp://hdl.handle.net/10722/216020
ISSN
2022 Impact Factor: 3.7
2020 SCImago Journal Rankings: 0.990
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYang, SS-
dc.contributor.authorJin, YL-
dc.contributor.authorHe, Y-
dc.contributor.authorJiang, C-
dc.contributor.authorCheng, KK-
dc.contributor.authorZhang, W-
dc.contributor.authorLam, TH-
dc.date.accessioned2015-08-21T13:48:51Z-
dc.date.available2015-08-21T13:48:51Z-
dc.date.issued2015-
dc.identifier.citationPLoS One, 2015, v. 10 n. 7, article no. e0130429-
dc.identifier.issn1932-6203-
dc.identifier.urihttp://hdl.handle.net/10722/216020-
dc.description.abstractObjective We examined the associations between childhood passive smoking exposure and age at menarche in women who had never smoked in southern China. Methods Among 30,518 participants in Guangzhou Biobank Cohort Study (GBCS) from 2003-2008, 20,061 women who had never smoked and had complete outcome data were included. Childhood passive smoking exposure was defined as living with 1 or more smokers in the same household during childhood. Data on the number of smokers in the household and frequency of exposure (density and frequency) were also obtained. Age at menarche was measured as a continuous variable. Results 11,379 (56.7%) participants were exposed to passive smoking during childhood. Compared to those with no passive smoking exposure during childhood, those with exposure ≥5 days/week had menarche 0.19 year (95% confidence interval (CI): 0.13-0.25) earlier on average. Those exposed to more than two smokers had menarche 0.38 year earlier (95% CI: 0.29-0.47). Childhood exposure was associated with early age at menarche (≤13 vs. >13 years), with an adjusted odds ratio of 1.34 (95% CI: 1.21-1.48) for high density, and 1.17 (95% CI: 1.09-1.26) for high frequency of exposure. Conclusion Childhood passive smoking exposure was associated with earlier age at menarche, with a dose-response relationship in Chinese women who had never smoked. If causal, the results support the promotion of smoking cessation in families with children, particularly young girls.-
dc.languageeng-
dc.publisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.action-
dc.relation.ispartofPLoS ONE-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleChildhood passive smoking exposure and age at menarche in Chinese women who had never smoked: The Guangzhou Biobank Cohort Study-
dc.typeArticle-
dc.identifier.emailHe, Y: yaohe@hkucc.hku.hk-
dc.identifier.emailJiang, C: cqjiang@hkucc.hku.hk-
dc.identifier.emailCheng, KK: chengkk@hkucc.hku.hk-
dc.identifier.emailZhang, W: zhangws9@hku.hk-
dc.identifier.emailLam, TH: hrmrlth@hkucc.hku.hk-
dc.identifier.authorityLam, TH=rp00326-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1371/journal.pone.0130429-
dc.identifier.pmid26186646-
dc.identifier.pmcidPMC4506068-
dc.identifier.scopuseid_2-s2.0-84941357257-
dc.identifier.hkuros246649-
dc.identifier.volume10-
dc.identifier.issue7-
dc.identifier.isiWOS:000358198700007-
dc.publisher.placeUnited States-
dc.identifier.issnl1932-6203-

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