Population‐based case–control study of cigarette smoking and essential tremor
Identifieur interne : 000D04 ( Main/Exploration ); précédent : 000D03; suivant : 000D05Population‐based case–control study of cigarette smoking and essential tremor
Auteurs : Julián Benito-Le N [Espagne] ; Elan D. Louis [États-Unis] ; Félix Bermejo-Pareja [Espagne]Source :
- Movement Disorders [ 0885-3185 ] ; 2008-01-30.
English descriptors
Abstract
Parkinson's disease (PD) is inversely associated with smoking cigarettes. Despite long‐standing clinical links between PD and essential tremor (ET), there are surprisingly few data on smoking in ET. We studied whether smoking cigarettes is inversely associated with ET. Using a population‐based, case–control design, cigarette smoking habits were assessed in 221 prevalent ET cases (75.5 ± 7.1 years old) and 663 matched controls (74.6 ± 7.0 years old). In logistical regression analyses, diagnosis (ET vs. control) was the dependent variable, and cigarette smoking status, the independent variable. Ever smokers were marginally less likely to have ET than were never smokers (22.0% vs. 27.0%, odds ratio [OR] 0.76, 95% confidence interval [CI] 0.55–1.04, P = 0.09). In an analysis that adjusted for confounding factors (drink‐years and depressive symptoms), ever smokers were nearly half less likely to have ET than the never smokers (OR 0.58, 95% CI 0.40–0.84, P = 0.004). There was a strong inverse association between pack‐years and odds of ET (adjusted OR 0.991, 95% CI 0.984–0.997, P = 0.005, i.e., with every 10 pack‐year increase, odds of ET were lowered 10%). Ever smokers in the highest pack‐year tertile were one‐third as likely to have ET than the never smokers (adjusted OR 0.39, 95% CI 0.22–0.69, P = 0.001). We demonstrated an inverse association between ever smoking and ET. Additional studies are needed to reproduce these findings and assess whether this association is due to a biologically protective effect. © 2007 Movement Disorder Society
Url:
DOI: 10.1002/mds.21810
Affiliations:
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2008-01-30">2008-01-30</date><biblScope unit="volume">23</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="246">246</biblScope><biblScope unit="page" to="252">252</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">76B5298048EA33E13E12C0766277644A40ED79FC</idno><idno type="DOI">10.1002/mds.21810</idno><idno type="ArticleID">MDS21810</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>case–control studies.</term><term>cigarette smoking</term><term>epidemiology</term><term>essential tremor</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="fr">Parkinson's disease (PD) is inversely associated with smoking cigarettes. Despite long‐standing clinical links between PD and essential tremor (ET), there are surprisingly few data on smoking in ET. We studied whether smoking cigarettes is inversely associated with ET. Using a population‐based, case–control design, cigarette smoking habits were assessed in 221 prevalent ET cases (75.5 ± 7.1 years old) and 663 matched controls (74.6 ± 7.0 years old). In logistical regression analyses, diagnosis (ET vs. control) was the dependent variable, and cigarette smoking status, the independent variable. Ever smokers were marginally less likely to have ET than were never smokers (22.0% vs. 27.0%, odds ratio [OR] 0.76, 95% confidence interval [CI] 0.55–1.04, P = 0.09). In an analysis that adjusted for confounding factors (drink‐years and depressive symptoms), ever smokers were nearly half less likely to have ET than the never smokers (OR 0.58, 95% CI 0.40–0.84, P = 0.004). There was a strong inverse association between pack‐years and odds of ET (adjusted OR 0.991, 95% CI 0.984–0.997, P = 0.005, i.e., with every 10 pack‐year increase, odds of ET were lowered 10%). Ever smokers in the highest pack‐year tertile were one‐third as likely to have ET than the never smokers (adjusted OR 0.39, 95% CI 0.22–0.69, P = 0.001). We demonstrated an inverse association between ever smoking and ET. Additional studies are needed to reproduce these findings and assess whether this association is due to a biologically protective effect. © 2007 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Espagne</li><li>États-Unis</li></country><region><li>État de New York</li></region><settlement><li>New York</li></settlement><orgName><li>Université Columbia</li></orgName></list><tree><country name="Espagne"><noRegion><name sortKey="Benito E N, Julian" sort="Benito E N, Julian" uniqKey="Benito E N J" first="Julián" last="Benito-Le N">Julián Benito-Le N</name></noRegion><name sortKey="Bermejo Areja, Felix" sort="Bermejo Areja, Felix" uniqKey="Bermejo Areja F" first="Félix" last="Bermejo-Pareja">Félix Bermejo-Pareja</name></country><country name="États-Unis"><region name="État de New York"><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D." last="Louis">Elan D. Louis</name></region><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D." last="Louis">Elan D. Louis</name><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D." last="Louis">Elan D. Louis</name><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D." last="Louis">Elan D. Louis</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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