Age at voice break in Danish boys: effects of pre-pubertal body mass index and secular trend.
Identifieur interne : 000236 ( Main/Exploration ); précédent : 000235; suivant : 000237Age at voice break in Danish boys: effects of pre-pubertal body mass index and secular trend.
Auteurs : Anders Juul [Danemark] ; Steinunn Magnusdottir ; Thomas Scheike ; Sven Prytz ; Niels E. SkakkebaekSource :
- International journal of andrology [ 0105-6263 ] ; 2007.
Descripteurs français
- KwdFr :
- Adolescent (MeSH), Appréciation des risques (MeSH), Danemark (épidémiologie), Enfant (MeSH), Estimation de Kaplan-Meier (MeSH), Facteurs temps (MeSH), Facteurs âges (MeSH), Humains (MeSH), Indice de masse corporelle (MeSH), Modèles des risques proportionnels (MeSH), Mâle (MeSH), Poids (MeSH), Puberté (MeSH), Puberté précoce (physiopathologie), Puberté précoce (épidémiologie), Puberté précoce (étiologie), Qualité de la voix (MeSH), Répartition par âge (MeSH), Taille (MeSH), Vieillissement (MeSH), Épidémiologie (tendances).
- MESH :
- physiopathologie : Puberté précoce.
- tendances : Épidémiologie.
- épidémiologie : Danemark, Puberté précoce.
- étiologie : Puberté précoce.
- Adolescent, Appréciation des risques, Enfant, Estimation de Kaplan-Meier, Facteurs temps, Facteurs âges, Humains, Indice de masse corporelle, Modèles des risques proportionnels, Mâle, Poids, Puberté, Qualité de la voix, Répartition par âge, Taille, Vieillissement.
- Wicri :
- geographic : Danemark.
English descriptors
- KwdEn :
- Adolescent (MeSH), Age Distribution (MeSH), Age Factors (MeSH), Aging (MeSH), Body Height (MeSH), Body Mass Index (MeSH), Body Weight (MeSH), Child (MeSH), Denmark (epidemiology), Epidemiology (trends), Humans (MeSH), Kaplan-Meier Estimate (MeSH), Male (MeSH), Proportional Hazards Models (MeSH), Puberty (MeSH), Puberty, Precocious (epidemiology), Puberty, Precocious (etiology), Puberty, Precocious (physiopathology), Risk Assessment (MeSH), Time Factors (MeSH), Voice Quality (MeSH).
- MESH :
- geographic , epidemiology : Denmark.
- epidemiology : Puberty, Precocious.
- etiology : Puberty, Precocious.
- physiopathology : Puberty, Precocious.
- trends : Epidemiology.
- Adolescent, Age Distribution, Age Factors, Aging, Body Height, Body Mass Index, Body Weight, Child, Humans, Kaplan-Meier Estimate, Male, Proportional Hazards Models, Puberty, Risk Assessment, Time Factors, Voice Quality.
Abstract
Voice break is a late, but characteristic event in male puberty. Assessment of age at voice break may be a relevant marker for epidemiological studies of male pubertal development. We investigated the timing of voice break and its association with explanatory variables [calendar year of admission in the boys choir and pre-pubertal body mass index (BMI)] by survival analysis techniques based on retrospective analyses of age at voice break in 463 Danish choir boys who were studied over a 10-year period. We found an overall median age at voice break of 14.0 [13.9-14.6] years, and a statistically significant downwards trend in age at voice break in the 10-year period (1994-2003) (log-rank test p = 0.0146). There was a statistically significant difference in age at voice break between boys in the different BMI quartiles in pre-puberty (p = 0.00822) with a tendency towards early voice break with increasing BMI standard deviation scores. Thus boys in the heaviest quartile at 8 years of age had an increased risk of early voice break (RR of 1.74 [1.14-2.65]) approximately 6 years later, compared with boys in the thinnest quartile. The earlier voice break seen during the 10-year observation period could however not exclusively be explained by a general increase in BMI in that period. Our findings indicate that puberty, as assessed by age at voice break in boys, may be starting earlier in Denmark as it has been observed in the USA, and suggest a relationship between pre-pubertal BMI and the timing of puberty.
DOI: 10.1111/j.1365-2605.2007.00751.x
PubMed: 17459124
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Age at voice break in Danish boys: effects of pre-pubertal body mass index and secular trend.</title><author><name sortKey="Juul, Anders" sort="Juul, Anders" uniqKey="Juul A" first="Anders" last="Juul">Anders Juul</name><affiliation wicri:level="3"><nlm:affiliation>University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark. ajuul@rh.dk</nlm:affiliation><country xml:lang="fr">Danemark</country><wicri:regionArea>University Department of Growth and Reproduction, Rigshospitalet, Copenhagen</wicri:regionArea><placeName><settlement type="city">Copenhague</settlement><region type="région" nuts="2">Hovedstaden</region></placeName></affiliation></author><author><name sortKey="Magnusdottir, Steinunn" sort="Magnusdottir, Steinunn" uniqKey="Magnusdottir S" first="Steinunn" last="Magnusdottir">Steinunn Magnusdottir</name></author><author><name sortKey="Scheike, Thomas" sort="Scheike, Thomas" uniqKey="Scheike T" first="Thomas" last="Scheike">Thomas Scheike</name></author><author><name sortKey="Prytz, Sven" sort="Prytz, Sven" uniqKey="Prytz S" first="Sven" last="Prytz">Sven Prytz</name></author><author><name sortKey="Skakkebaek, Niels E" sort="Skakkebaek, Niels E" uniqKey="Skakkebaek N" first="Niels E" last="Skakkebaek">Niels E. Skakkebaek</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2007">2007</date><idno type="RBID">pubmed:17459124</idno><idno type="pmid">17459124</idno><idno type="doi">10.1111/j.1365-2605.2007.00751.x</idno><idno type="wicri:Area/Main/Corpus">000236</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000236</idno><idno type="wicri:Area/Main/Curation">000233</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000233</idno><idno type="wicri:Area/Main/Exploration">000233</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Age at voice break in Danish boys: effects of pre-pubertal body mass index and secular trend.</title><author><name sortKey="Juul, Anders" sort="Juul, Anders" uniqKey="Juul A" first="Anders" last="Juul">Anders Juul</name><affiliation wicri:level="3"><nlm:affiliation>University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark. ajuul@rh.dk</nlm:affiliation><country xml:lang="fr">Danemark</country><wicri:regionArea>University Department of Growth and Reproduction, Rigshospitalet, Copenhagen</wicri:regionArea><placeName><settlement type="city">Copenhague</settlement><region type="région" nuts="2">Hovedstaden</region></placeName></affiliation></author><author><name sortKey="Magnusdottir, Steinunn" sort="Magnusdottir, Steinunn" uniqKey="Magnusdottir S" first="Steinunn" last="Magnusdottir">Steinunn Magnusdottir</name></author><author><name sortKey="Scheike, Thomas" sort="Scheike, Thomas" uniqKey="Scheike T" first="Thomas" last="Scheike">Thomas Scheike</name></author><author><name sortKey="Prytz, Sven" sort="Prytz, Sven" uniqKey="Prytz S" first="Sven" last="Prytz">Sven Prytz</name></author><author><name sortKey="Skakkebaek, Niels E" sort="Skakkebaek, Niels E" uniqKey="Skakkebaek N" first="Niels E" last="Skakkebaek">Niels E. Skakkebaek</name></author></analytic><series><title level="j">International journal of andrology</title><idno type="ISSN">0105-6263</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent (MeSH)</term><term>Age Distribution (MeSH)</term><term>Age Factors (MeSH)</term><term>Aging (MeSH)</term><term>Body Height (MeSH)</term><term>Body Mass Index (MeSH)</term><term>Body Weight (MeSH)</term><term>Child (MeSH)</term><term>Denmark (epidemiology)</term><term>Epidemiology (trends)</term><term>Humans (MeSH)</term><term>Kaplan-Meier Estimate (MeSH)</term><term>Male (MeSH)</term><term>Proportional Hazards Models (MeSH)</term><term>Puberty (MeSH)</term><term>Puberty, Precocious (epidemiology)</term><term>Puberty, Precocious (etiology)</term><term>Puberty, Precocious (physiopathology)</term><term>Risk Assessment (MeSH)</term><term>Time Factors (MeSH)</term><term>Voice Quality (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent (MeSH)</term><term>Appréciation des risques (MeSH)</term><term>Danemark (épidémiologie)</term><term>Enfant (MeSH)</term><term>Estimation de Kaplan-Meier (MeSH)</term><term>Facteurs temps (MeSH)</term><term>Facteurs âges (MeSH)</term><term>Humains (MeSH)</term><term>Indice de masse corporelle (MeSH)</term><term>Modèles des risques proportionnels (MeSH)</term><term>Mâle (MeSH)</term><term>Poids (MeSH)</term><term>Puberté (MeSH)</term><term>Puberté précoce (physiopathologie)</term><term>Puberté précoce (épidémiologie)</term><term>Puberté précoce (étiologie)</term><term>Qualité de la voix (MeSH)</term><term>Répartition par âge (MeSH)</term><term>Taille (MeSH)</term><term>Vieillissement (MeSH)</term><term>Épidémiologie (tendances)</term></keywords><keywords scheme="MESH" type="geographic" qualifier="epidemiology" xml:lang="en"><term>Denmark</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Puberty, Precocious</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Puberty, Precocious</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Puberté précoce</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Puberty, Precocious</term></keywords><keywords scheme="MESH" qualifier="tendances" xml:lang="fr"><term>Épidémiologie</term></keywords><keywords scheme="MESH" qualifier="trends" xml:lang="en"><term>Epidemiology</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Danemark</term><term>Puberté précoce</term></keywords><keywords scheme="MESH" qualifier="étiologie" xml:lang="fr"><term>Puberté précoce</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Age Distribution</term><term>Age Factors</term><term>Aging</term><term>Body Height</term><term>Body Mass Index</term><term>Body Weight</term><term>Child</term><term>Humans</term><term>Kaplan-Meier Estimate</term><term>Male</term><term>Proportional Hazards Models</term><term>Puberty</term><term>Risk Assessment</term><term>Time Factors</term><term>Voice Quality</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Appréciation des risques</term><term>Enfant</term><term>Estimation de Kaplan-Meier</term><term>Facteurs temps</term><term>Facteurs âges</term><term>Humains</term><term>Indice de masse corporelle</term><term>Modèles des risques proportionnels</term><term>Mâle</term><term>Poids</term><term>Puberté</term><term>Qualité de la voix</term><term>Répartition par âge</term><term>Taille</term><term>Vieillissement</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Danemark</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Voice break is a late, but characteristic event in male puberty. Assessment of age at voice break may be a relevant marker for epidemiological studies of male pubertal development. We investigated the timing of voice break and its association with explanatory variables [calendar year of admission in the boys choir and pre-pubertal body mass index (BMI)] by survival analysis techniques based on retrospective analyses of age at voice break in 463 Danish choir boys who were studied over a 10-year period. We found an overall median age at voice break of 14.0 [13.9-14.6] years, and a statistically significant downwards trend in age at voice break in the 10-year period (1994-2003) (log-rank test p = 0.0146). There was a statistically significant difference in age at voice break between boys in the different BMI quartiles in pre-puberty (p = 0.00822) with a tendency towards early voice break with increasing BMI standard deviation scores. Thus boys in the heaviest quartile at 8 years of age had an increased risk of early voice break (RR of 1.74 [1.14-2.65]) approximately 6 years later, compared with boys in the thinnest quartile. The earlier voice break seen during the 10-year observation period could however not exclusively be explained by a general increase in BMI in that period. Our findings indicate that puberty, as assessed by age at voice break in boys, may be starting earlier in Denmark as it has been observed in the USA, and suggest a relationship between pre-pubertal BMI and the timing of puberty.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17459124</PMID><DateCompleted><Year>2008</Year><Month>01</Month><Day>08</Day></DateCompleted><DateRevised><Year>2010</Year><Month>11</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0105-6263</ISSN><JournalIssue CitedMedium="Print"><Volume>30</Volume><Issue>6</Issue><PubDate><Year>2007</Year><Month>Dec</Month></PubDate></JournalIssue><Title>International journal of andrology</Title></Journal><ArticleTitle>Age at voice break in Danish boys: effects of pre-pubertal body mass index and secular trend.</ArticleTitle><Pagination><MedlinePgn>537-42</MedlinePgn></Pagination><Abstract><AbstractText>Voice break is a late, but characteristic event in male puberty. Assessment of age at voice break may be a relevant marker for epidemiological studies of male pubertal development. We investigated the timing of voice break and its association with explanatory variables [calendar year of admission in the boys choir and pre-pubertal body mass index (BMI)] by survival analysis techniques based on retrospective analyses of age at voice break in 463 Danish choir boys who were studied over a 10-year period. We found an overall median age at voice break of 14.0 [13.9-14.6] years, and a statistically significant downwards trend in age at voice break in the 10-year period (1994-2003) (log-rank test p = 0.0146). There was a statistically significant difference in age at voice break between boys in the different BMI quartiles in pre-puberty (p = 0.00822) with a tendency towards early voice break with increasing BMI standard deviation scores. Thus boys in the heaviest quartile at 8 years of age had an increased risk of early voice break (RR of 1.74 [1.14-2.65]) approximately 6 years later, compared with boys in the thinnest quartile. The earlier voice break seen during the 10-year observation period could however not exclusively be explained by a general increase in BMI in that period. Our findings indicate that puberty, as assessed by age at voice break in boys, may be starting earlier in Denmark as it has been observed in the USA, and suggest a relationship between pre-pubertal BMI and the timing of puberty.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Juul</LastName><ForeName>Anders</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>University Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark. ajuul@rh.dk</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Magnusdottir</LastName><ForeName>Steinunn</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Scheike</LastName><ForeName>Thomas</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Prytz</LastName><ForeName>Sven</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Skakkebaek</LastName><ForeName>Niels E</ForeName><Initials>NE</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2007</Year><Month>04</Month><Day>24</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Int J Androl</MedlineTA><NlmUniqueID>8000141</NlmUniqueID><ISSNLinking>0105-6263</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017677" MajorTopicYN="N">Age Distribution</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000367" MajorTopicYN="N">Age Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000375" MajorTopicYN="Y">Aging</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001827" MajorTopicYN="N">Body Height</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015992" MajorTopicYN="Y">Body Mass Index</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001835" MajorTopicYN="N">Body Weight</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002648" MajorTopicYN="N">Child</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003718" MajorTopicYN="N" Type="Geographic">Denmark</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004813" MajorTopicYN="N">Epidemiology</DescriptorName><QualifierName UI="Q000639" MajorTopicYN="N">trends</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D053208" MajorTopicYN="N">Kaplan-Meier Estimate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016016" MajorTopicYN="N">Proportional Hazards Models</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011627" MajorTopicYN="Y">Puberty</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011629" MajorTopicYN="N">Puberty, Precocious</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName><QualifierName UI="Q000209" MajorTopicYN="Y">etiology</QualifierName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018570" MajorTopicYN="N">Risk Assessment</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014833" MajorTopicYN="Y">Voice Quality</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2007</Year><Month>4</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>1</Month><Day>9</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2007</Year><Month>4</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">17459124</ArticleId><ArticleId IdType="pii">IJA751</ArticleId><ArticleId IdType="doi">10.1111/j.1365-2605.2007.00751.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Danemark</li></country><region><li>Hovedstaden</li></region><settlement><li>Copenhague</li></settlement></list><tree><noCountry><name sortKey="Magnusdottir, Steinunn" sort="Magnusdottir, Steinunn" uniqKey="Magnusdottir S" first="Steinunn" last="Magnusdottir">Steinunn Magnusdottir</name><name sortKey="Prytz, Sven" sort="Prytz, Sven" uniqKey="Prytz S" first="Sven" last="Prytz">Sven Prytz</name><name sortKey="Scheike, Thomas" sort="Scheike, Thomas" uniqKey="Scheike T" first="Thomas" last="Scheike">Thomas Scheike</name><name sortKey="Skakkebaek, Niels E" sort="Skakkebaek, Niels E" uniqKey="Skakkebaek N" first="Niels E" last="Skakkebaek">Niels E. Skakkebaek</name></noCountry><country name="Danemark"><region name="Hovedstaden"><name sortKey="Juul, Anders" sort="Juul, Anders" uniqKey="Juul A" first="Anders" last="Juul">Anders Juul</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Sante/explor/SanteChoraleV4/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000236 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 000236 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Sante
|area= SanteChoraleV4
|flux= Main
|étape= Exploration
|type= RBID
|clé= pubmed:17459124
|texte= Age at voice break in Danish boys: effects of pre-pubertal body mass index and secular trend.
}}
Pour générer des pages wiki
HfdIndexSelect -h $EXPLOR_AREA/Data/Main/Exploration/RBID.i -Sk "pubmed:17459124" \
| HfdSelect -Kh $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd \
| NlmPubMed2Wicri -a SanteChoraleV4
| This area was generated with Dilib version V0.6.37. |  |