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Article: Small for gestational age and age at puberty: Evidence from Hong Kong's children of 1997 birth cohort

TitleSmall for gestational age and age at puberty: Evidence from Hong Kong's children of 1997 birth cohort
Authors
KeywordsChinese
growth
infant, small for gestational age
puberty
Issue Date2012
PublisherOxford University Press. The Journal's web site is located at http://aje.oxfordjournals.org/
Citation
American Journal Of Epidemiology, 2012, v. 176 n. 9, p. 785-793 How to Cite?
AbstractThe predictive-adaptive response paradigm postulates that slow fetal growth advances puberty as a life-history strategy for reproductive success, when constraints on postnatal growth are minimal. The authors examined the association of birth weight for gestational age and small for gestational age (SGA) status (birth weight for gestational age <10th percentile, 6.9) with clinically assessed age at onset of Tanner stage II in a non-Western developed population using interval-censored regression in 7,366 children (89 follow-up) from a population-representative Chinese birth cohort, "Children of 1997" in Hong Kong. Neither SGA status nor birth weight z score for gestational age was associated with age at onset of puberty, adjusted for sex, mother's place of birth, parental height, income, and parental education. Greater childhood height and linear growth were associated with younger age at onset of puberty. SGA status was associated with earlier puberty after adjustment for childhood height (time ratio =0.984, 95 confidence interval: 0.972, 0.995) but later puberty after adjustment for linear growth (time ratio =1.017, 95 confidence interval: 1.005, 1.030). In this developed city of China, SGA status was not associated with timing of puberty. However, the observation may be contextually specific depending on how other attributes, such as childhood growth, differ between SGA and other children. © 2012 The Author.
Persistent Identifierhttp://hdl.handle.net/10722/174168
ISSN
2015 Impact Factor: 5.036
2015 SCImago Journal Rankings: 3.047
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHui, LLen_HK
dc.contributor.authorLeung, GMen_HK
dc.contributor.authorWong, MYen_HK
dc.contributor.authorLam, THen_HK
dc.contributor.authorSchooling, CMen_HK
dc.date.accessioned2012-11-16T03:37:42Z-
dc.date.available2012-11-16T03:37:42Z-
dc.date.issued2012en_HK
dc.identifier.citationAmerican Journal Of Epidemiology, 2012, v. 176 n. 9, p. 785-793en_HK
dc.identifier.issn0002-9262en_HK
dc.identifier.urihttp://hdl.handle.net/10722/174168-
dc.description.abstractThe predictive-adaptive response paradigm postulates that slow fetal growth advances puberty as a life-history strategy for reproductive success, when constraints on postnatal growth are minimal. The authors examined the association of birth weight for gestational age and small for gestational age (SGA) status (birth weight for gestational age <10th percentile, 6.9) with clinically assessed age at onset of Tanner stage II in a non-Western developed population using interval-censored regression in 7,366 children (89 follow-up) from a population-representative Chinese birth cohort, "Children of 1997" in Hong Kong. Neither SGA status nor birth weight z score for gestational age was associated with age at onset of puberty, adjusted for sex, mother's place of birth, parental height, income, and parental education. Greater childhood height and linear growth were associated with younger age at onset of puberty. SGA status was associated with earlier puberty after adjustment for childhood height (time ratio =0.984, 95 confidence interval: 0.972, 0.995) but later puberty after adjustment for linear growth (time ratio =1.017, 95 confidence interval: 1.005, 1.030). In this developed city of China, SGA status was not associated with timing of puberty. However, the observation may be contextually specific depending on how other attributes, such as childhood growth, differ between SGA and other children. © 2012 The Author.en_HK
dc.languageengen_US
dc.publisherOxford University Press. The Journal's web site is located at http://aje.oxfordjournals.org/en_HK
dc.relation.ispartofAmerican Journal of Epidemiologyen_HK
dc.subjectChineseen_HK
dc.subjectgrowthen_HK
dc.subjectinfant, small for gestational ageen_HK
dc.subjectpubertyen_HK
dc.titleSmall for gestational age and age at puberty: Evidence from Hong Kong's children of 1997 birth cohorten_HK
dc.typeArticleen_HK
dc.identifier.emailHui, LL: huic@hkucc.hku.hken_HK
dc.identifier.authorityHui, LL=rp01698en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1093/aje/kws159en_HK
dc.identifier.pmid23077286-
dc.identifier.scopuseid_2-s2.0-84868015404en_HK
dc.identifier.hkuros212305en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84868015404&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume176en_HK
dc.identifier.issue9en_HK
dc.identifier.spage785en_HK
dc.identifier.epage793en_HK
dc.identifier.isiWOS:000310371200006-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridHui, LL=12774460100en_HK
dc.identifier.scopusauthoridLeung, GM=55440345000en_HK
dc.identifier.scopusauthoridWong, MY=24469381500en_HK
dc.identifier.scopusauthoridLam, TH=55439885200en_HK
dc.identifier.scopusauthoridSchooling, CM=55159270400en_HK
dc.identifier.citeulike11577886-

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