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Article: Long-term outcomes and predictors of chronic insomnia: A prospective study in Hong Kong Chinese adults

TitleLong-term outcomes and predictors of chronic insomnia: A prospective study in Hong Kong Chinese adults
Authors
KeywordsPersistence
Chronic insomnia
Incidence
Longitudinal course
Medical conditions
Outcomes
Psychiatric disorders
Issue Date2012
Citation
Sleep Medicine, 2012, v. 13, n. 5, p. 455-462 How to Cite?
AbstractObjectives: We aimed to determine the longitudinal course and outcome of chronic insomnia in a five-year prospective study in Hong Kong Chinese adults. Methods: Two thousand three hundred and sixteen middle-aged adults (53.3% females, 46.3 ± 5.1. years old at follow-up) were recruited at baseline and follow-up. Participants were divided into three groups: non-insomnia, insomnia symptoms, and insomnia syndrome (insomnia symptoms plus daytime symptoms). Upper airway inflammatory diseases, mental problems, and medical problems were additionally assessed at follow up. Results: The incidence of insomnia (symptoms and syndrome) was 5.9%. The persistence rate of insomnia syndrome was 42.7% for insomnia syndrome and 28.2% for insomnia symptoms. New incidence of insomnia was associated with younger age, unemployment, and daytime symptoms, while persistence of insomnia was associated with female sex, lower education level, and daytime symptoms at the baseline (p<0.05). Baseline insomnia syndrome was significantly associated with upper airway inflammatory diseases (including asthma and laryngopharyngitis; adjusted OR = 1.97-17.9), mental problems, and medical conditions (including arthritis, psychiatric disorders, chronic pain, and gastroesophageal reflux disease; AOR = 2.29-3.77), whereas baseline insomnia symptoms were associated with poor mental health (AOR = 2.43), psychiatric disorders (AOR = 2.39), and chronic pain (AOR = 2.95). Conclusions: Chronic insomnia is a common problem with considerable persistence and incidence rates among middle-aged Chinese adults. Insomnia syndrome has a higher persistence rate with more mental and medical comorbidities when compared with insomnia symptoms without daytime consequences. © 2012 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/222122
ISSN
2015 Impact Factor: 3.339
2015 SCImago Journal Rankings: 1.363

 

DC FieldValueLanguage
dc.contributor.authorZhang, Jihui-
dc.contributor.authorLam, S. P.-
dc.contributor.authorLi, S. X.-
dc.contributor.authorYu, M. W M-
dc.contributor.authorLi, A. M.-
dc.contributor.authorMa, R. C W-
dc.contributor.authorKong, A. P S-
dc.contributor.authorWing, Y. K.-
dc.date.accessioned2015-12-21T06:48:39Z-
dc.date.available2015-12-21T06:48:39Z-
dc.date.issued2012-
dc.identifier.citationSleep Medicine, 2012, v. 13, n. 5, p. 455-462-
dc.identifier.issn1389-9457-
dc.identifier.urihttp://hdl.handle.net/10722/222122-
dc.description.abstractObjectives: We aimed to determine the longitudinal course and outcome of chronic insomnia in a five-year prospective study in Hong Kong Chinese adults. Methods: Two thousand three hundred and sixteen middle-aged adults (53.3% females, 46.3 ± 5.1. years old at follow-up) were recruited at baseline and follow-up. Participants were divided into three groups: non-insomnia, insomnia symptoms, and insomnia syndrome (insomnia symptoms plus daytime symptoms). Upper airway inflammatory diseases, mental problems, and medical problems were additionally assessed at follow up. Results: The incidence of insomnia (symptoms and syndrome) was 5.9%. The persistence rate of insomnia syndrome was 42.7% for insomnia syndrome and 28.2% for insomnia symptoms. New incidence of insomnia was associated with younger age, unemployment, and daytime symptoms, while persistence of insomnia was associated with female sex, lower education level, and daytime symptoms at the baseline (p<0.05). Baseline insomnia syndrome was significantly associated with upper airway inflammatory diseases (including asthma and laryngopharyngitis; adjusted OR = 1.97-17.9), mental problems, and medical conditions (including arthritis, psychiatric disorders, chronic pain, and gastroesophageal reflux disease; AOR = 2.29-3.77), whereas baseline insomnia symptoms were associated with poor mental health (AOR = 2.43), psychiatric disorders (AOR = 2.39), and chronic pain (AOR = 2.95). Conclusions: Chronic insomnia is a common problem with considerable persistence and incidence rates among middle-aged Chinese adults. Insomnia syndrome has a higher persistence rate with more mental and medical comorbidities when compared with insomnia symptoms without daytime consequences. © 2012 Elsevier B.V.-
dc.languageeng-
dc.relation.ispartofSleep Medicine-
dc.subjectPersistence-
dc.subjectChronic insomnia-
dc.subjectIncidence-
dc.subjectLongitudinal course-
dc.subjectMedical conditions-
dc.subjectOutcomes-
dc.subjectPsychiatric disorders-
dc.titleLong-term outcomes and predictors of chronic insomnia: A prospective study in Hong Kong Chinese adults-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.sleep.2011.11.015-
dc.identifier.pmid22425578-
dc.identifier.scopuseid_2-s2.0-84862815398-
dc.identifier.volume13-
dc.identifier.issue5-
dc.identifier.spage455-
dc.identifier.epage462-
dc.identifier.eissn1878-5506-

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