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Article: A Community Study of Sleep-Disordered Breathing in Middle-Aged Chinese Women in Hong Kong: Prevalence and Gender Differences
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TitleA Community Study of Sleep-Disordered Breathing in Middle-Aged Chinese Women in Hong Kong: Prevalence and Gender Differences
 
AuthorsIp, MSM2
Lam, B
Tang, LCH1
Lauder, IJ2
Ip, TY
Lam, WK
 
KeywordsMiddle-aged Chinese women
Polysomnography
Sleep apnea
 
Issue Date2004
 
PublisherAmerican College of Chest Physicians. The Journal's web site is located at http://www.chestjournal.org
 
CitationChest, 2004, v. 125 n. 1, p. 127-134 [How to Cite?]
DOI: http://dx.doi.org/10.1378/chest.125.1.127
 
AbstractStudy objectives: To investigate the prevalence of sleep-disordered breathing (SDB) and obstructive sleep apnea syndrome (OSAS) in community-based, middle-aged Chinese women, and to compare the differences between gender with a similar study in men. Design: A cross-sectional study conducted in Hong Kong from 1998 to 2000. Setting: Sleep questionnaires were distributed to women (30 to 60 years old) in three offices and two community centers. All were invited to undergo full polysomnography in a sleep laboratory. Participants: Questionnaires were distributed to 1,532 women, and 854 questionnaires were returned. Polysomnography was conducted in 106 respondents. Measurements and results: Conservative estimated prevalence of SDB (apnea-hypopnea index [AHI] ≥ 5) and OSAS (AHI ≥ 5 plus excessive daytime sleepiness [EDS]) were 3.7% and 2.1%, respectively. Age-specific prevalence of OSAS was 0.5%, 2.2%, and 6. 1% in the 30- to 39-year-old, 40- to 49-year-old, and 50- to 60-year-old age groups, respectively. Stepwise multiple logistic regression analysis identified body mass index (BMI) and age as predictors of SDB. Compared to Chinese men, the prevalence of SDB and OSAS in women was lower, but the gender difference decreased with age. The AHI of affected women was also significantly lower despite comparable BMI. Compared to men, women with SDB had same degree of self-reported snoring and a similar degree of EDS despite the lower AHI. Conclusions: This study demonstrated an estimated prevalence of OSAS at 2.1% among middle-aged Chinese women in Hong Kong, with a 12-fold rise from the fourth to the sixth decade of life. BMI and age were significant independent predictors of SDB. Compared to men, women with SDB had lower AHIs, despite similar BMIs.
 
ISSN0012-3692
2012 Impact Factor: 5.854
2012 SCImago Journal Rankings: 2.031
 
DOIhttp://dx.doi.org/10.1378/chest.125.1.127
 
ISI Accession Number IDWOS:000188217700024
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorIp, MSM
 
dc.contributor.authorLam, B
 
dc.contributor.authorTang, LCH
 
dc.contributor.authorLauder, IJ
 
dc.contributor.authorIp, TY
 
dc.contributor.authorLam, WK
 
dc.date.accessioned2012-09-05T05:23:52Z
 
dc.date.available2012-09-05T05:23:52Z
 
dc.date.issued2004
 
dc.description.abstractStudy objectives: To investigate the prevalence of sleep-disordered breathing (SDB) and obstructive sleep apnea syndrome (OSAS) in community-based, middle-aged Chinese women, and to compare the differences between gender with a similar study in men. Design: A cross-sectional study conducted in Hong Kong from 1998 to 2000. Setting: Sleep questionnaires were distributed to women (30 to 60 years old) in three offices and two community centers. All were invited to undergo full polysomnography in a sleep laboratory. Participants: Questionnaires were distributed to 1,532 women, and 854 questionnaires were returned. Polysomnography was conducted in 106 respondents. Measurements and results: Conservative estimated prevalence of SDB (apnea-hypopnea index [AHI] ≥ 5) and OSAS (AHI ≥ 5 plus excessive daytime sleepiness [EDS]) were 3.7% and 2.1%, respectively. Age-specific prevalence of OSAS was 0.5%, 2.2%, and 6. 1% in the 30- to 39-year-old, 40- to 49-year-old, and 50- to 60-year-old age groups, respectively. Stepwise multiple logistic regression analysis identified body mass index (BMI) and age as predictors of SDB. Compared to Chinese men, the prevalence of SDB and OSAS in women was lower, but the gender difference decreased with age. The AHI of affected women was also significantly lower despite comparable BMI. Compared to men, women with SDB had same degree of self-reported snoring and a similar degree of EDS despite the lower AHI. Conclusions: This study demonstrated an estimated prevalence of OSAS at 2.1% among middle-aged Chinese women in Hong Kong, with a 12-fold rise from the fourth to the sixth decade of life. BMI and age were significant independent predictors of SDB. Compared to men, women with SDB had lower AHIs, despite similar BMIs.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationChest, 2004, v. 125 n. 1, p. 127-134 [How to Cite?]
DOI: http://dx.doi.org/10.1378/chest.125.1.127
 
dc.identifier.doihttp://dx.doi.org/10.1378/chest.125.1.127
 
dc.identifier.epage134
 
dc.identifier.hkuros86226
 
dc.identifier.isiWOS:000188217700024
 
dc.identifier.issn0012-3692
2012 Impact Factor: 5.854
2012 SCImago Journal Rankings: 2.031
 
dc.identifier.issue1
 
dc.identifier.pmid14718431
 
dc.identifier.scopuseid_2-s2.0-1642452888
 
dc.identifier.spage127
 
dc.identifier.urihttp://hdl.handle.net/10722/162814
 
dc.identifier.volume125
 
dc.languageeng
 
dc.publisherAmerican College of Chest Physicians. The Journal's web site is located at http://www.chestjournal.org
 
dc.publisher.placeUnited States
 
dc.relation.ispartofChest
 
dc.relation.referencesReferences in Scopus
 
dc.subject.meshAdult
 
dc.subject.meshAnthropometry
 
dc.subject.meshChina - Ethnology
 
dc.subject.meshCross-Sectional Studies
 
dc.subject.meshFemale
 
dc.subject.meshHong Kong
 
dc.subject.meshHumans
 
dc.subject.meshMale
 
dc.subject.meshMiddle Aged
 
dc.subject.meshPolysomnography
 
dc.subject.meshPrevalence
 
dc.subject.meshQuestionnaires
 
dc.subject.meshRisk Factors
 
dc.subject.meshSex Factors
 
dc.subject.meshSleep Apnea Syndromes - Diagnosis - Epidemiology
 
dc.subjectMiddle-aged Chinese women
 
dc.subjectPolysomnography
 
dc.subjectSleep apnea
 
dc.titleA Community Study of Sleep-Disordered Breathing in Middle-Aged Chinese Women in Hong Kong: Prevalence and Gender Differences
 
dc.typeArticle
 
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<description.abstract>Study objectives: To investigate the prevalence of sleep-disordered breathing (SDB) and obstructive sleep apnea syndrome (OSAS) in community-based, middle-aged Chinese women, and to compare the differences between gender with a similar study in men. Design: A cross-sectional study conducted in Hong Kong from 1998 to 2000. Setting: Sleep questionnaires were distributed to women (30 to 60 years old) in three offices and two community centers. All were invited to undergo full polysomnography in a sleep laboratory. Participants: Questionnaires were distributed to 1,532 women, and 854 questionnaires were returned. Polysomnography was conducted in 106 respondents. Measurements and results: Conservative estimated prevalence of SDB (apnea-hypopnea index [AHI] &#8805; 5) and OSAS (AHI &#8805; 5 plus excessive daytime sleepiness [EDS]) were 3.7% and 2.1%, respectively. Age-specific prevalence of OSAS was 0.5%, 2.2%, and 6. 1% in the 30- to 39-year-old, 40- to 49-year-old, and 50- to 60-year-old age groups, respectively. Stepwise multiple logistic regression analysis identified body mass index (BMI) and age as predictors of SDB. Compared to Chinese men, the prevalence of SDB and OSAS in women was lower, but the gender difference decreased with age. The AHI of affected women was also significantly lower despite comparable BMI. Compared to men, women with SDB had same degree of self-reported snoring and a similar degree of EDS despite the lower AHI. Conclusions: This study demonstrated an estimated prevalence of OSAS at 2.1% among middle-aged Chinese women in Hong Kong, with a 12-fold rise from the fourth to the sixth decade of life. BMI and age were significant independent predictors of SDB. Compared to men, women with SDB had lower AHIs, despite similar BMIs.</description.abstract>
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Author Affiliations
  1. Kwong Wah Hospital
  2. The University of Hong Kong