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Article: Dose-response relationship of phototherapy for seasonal affective disorder: A meta-analysis

TitleDose-response relationship of phototherapy for seasonal affective disorder: A meta-analysis
Authors
KeywordsMeta-analysis
Phototherapy
Seasonal affective disorder
Issue Date1999
PublisherBlackwell Munksgaard. The Journal's web site is located at http://www.blackwellpublishing.com/journals/ACP
Citation
Acta Psychiatrica Scandinavica, 1999, v. 99 n. 5, p. 315-323 How to Cite?
AbstractObjective: The therapeutic effect of phototherapy for seasonal affective disorder (SAD) has been widely investigated. However, the antidepressant effect of various light intensities is inconclusive. The purpose of this study was to evaluate the dose-response relationship of phototherapy for SAD. Method: A meta-analytical methodology was applied to 39 studies of phototherapy for SAD. The studies collected were screened for study quality by a threats-to-validity method before inclusion. The fixed-effects-model analysis of variance procedures were used for data analysis. Results: The results indicated that different light intensities produced different effects in reducing the typical symptoms, as measured by the Hamilton Depression Rating Scale, of patients with SAD. However, no significant differences in these effects were revealed between strong, medium and dim light in reducing the atypical symptoms of patients. Conclusion: These findings showed that light intensity varied positively with the antidepressant effect for typical but not for atypical symptoms of SAD, suggesting that light intensity tended to have different therapeutic effects on the typical and atypical symptoms of SAD.
Persistent Identifierhttp://hdl.handle.net/10722/89423
ISSN
2015 Impact Factor: 6.128
2015 SCImago Journal Rankings: 2.518
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLee, TMCen_HK
dc.contributor.authorChan, CCHen_HK
dc.date.accessioned2010-09-06T09:56:50Z-
dc.date.available2010-09-06T09:56:50Z-
dc.date.issued1999en_HK
dc.identifier.citationActa Psychiatrica Scandinavica, 1999, v. 99 n. 5, p. 315-323en_HK
dc.identifier.issn0001-690Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/89423-
dc.description.abstractObjective: The therapeutic effect of phototherapy for seasonal affective disorder (SAD) has been widely investigated. However, the antidepressant effect of various light intensities is inconclusive. The purpose of this study was to evaluate the dose-response relationship of phototherapy for SAD. Method: A meta-analytical methodology was applied to 39 studies of phototherapy for SAD. The studies collected were screened for study quality by a threats-to-validity method before inclusion. The fixed-effects-model analysis of variance procedures were used for data analysis. Results: The results indicated that different light intensities produced different effects in reducing the typical symptoms, as measured by the Hamilton Depression Rating Scale, of patients with SAD. However, no significant differences in these effects were revealed between strong, medium and dim light in reducing the atypical symptoms of patients. Conclusion: These findings showed that light intensity varied positively with the antidepressant effect for typical but not for atypical symptoms of SAD, suggesting that light intensity tended to have different therapeutic effects on the typical and atypical symptoms of SAD.en_HK
dc.languageengen_HK
dc.publisherBlackwell Munksgaard. The Journal's web site is located at http://www.blackwellpublishing.com/journals/ACPen_HK
dc.relation.ispartofActa Psychiatrica Scandinavicaen_HK
dc.subjectMeta-analysisen_HK
dc.subjectPhototherapyen_HK
dc.subjectSeasonal affective disorderen_HK
dc.titleDose-response relationship of phototherapy for seasonal affective disorder: A meta-analysisen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0001-690X&volume=99&spage=315&epage=323&date=1998&atitle=Dose-response+relationship+of+phototherapy+for+seasonal+affective+disorderen_HK
dc.identifier.emailLee, TMC:tmclee@hku.hken_HK
dc.identifier.authorityLee, TMC=rp00564en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid10353446-
dc.identifier.scopuseid_2-s2.0-0032939801en_HK
dc.identifier.hkuros43545en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032939801&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume99en_HK
dc.identifier.issue5en_HK
dc.identifier.spage315en_HK
dc.identifier.epage323en_HK
dc.identifier.isiWOS:000080117000002-
dc.publisher.placeDenmarken_HK
dc.identifier.scopusauthoridLee, TMC=7501437381en_HK
dc.identifier.scopusauthoridChan, CCH=16244174500en_HK

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