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Article: Screening for depression with the Patient Health Questionnaire-2 (PHQ-2) among the general population in Hong Kong

TitleScreening for depression with the Patient Health Questionnaire-2 (PHQ-2) among the general population in Hong Kong
Authors
KeywordsChinese
Community
Depression
PHQ-2
Issue Date2011
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jad
Citation
Journal Of Affective Disorders, 2011, v. 134 n. 1-3, p. 444-447 How to Cite?
AbstractBackground: This study investigates the psychometric properties of the Patient Health Questionnaire-2 (PHQ-2) in the general population of Hong Kong. Methods: Random sampling was used to recruit 6028 participants aged 15 years or over. Among them, 203 were surveyed twice within a two-week period. Participants completed the Chinese version of the PHQ-9 (including 2 items of the PHQ-2), the Chinese Health Questionnaire, the Happiness Scale, the SF-12, and questions about diagnosis and health service utilization. Internal consistency, test-retest reliability, construct and discriminant validity of the PHQ-2 were assessed. Results: Cronbach's α was 0.76. The test-retest reliability over two weeks calculated by intraclass correlation was 0.70. Spearman correlation results showed that the PHQ-2 score was associated with the remaining seven items of the PHQ-9 (r = 0.53), the Chinese Health Questionnaire (r = 0.37), and the Happiness scale (r = - 0.32). As expected, the strength of the correlation between the PHQ-2 and the SF-12 Physical Component Summary was lower (r = - 0.29) than that with the SF-12 Mental Component Summary (r = - 0.50). Participants with higher PHQ-2 scores more frequently reported having received a depression diagnosis made by a doctor, having chronic illness, using medicine, and utilizing health services. Using the cutoff point ≥ 3, 4.2% of participants screened positive for Major Depressive Disorder. Limitations: We did not use diagnostic interviews or other depression measures to test the PHQ-2's relative performance in screening for depression. Conclusions: This study provides evidence for the PHQ-2 as a reliable and valid screening tool for depressive symptoms among a randomly recruited community sample in Hong Kong. © 2011 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/139873
ISSN
2015 Impact Factor: 3.57
2015 SCImago Journal Rankings: 1.927
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Jockey Club Charities Trust
Funding Information:

This study was supported by The Hong Kong Jockey Club Charities Trust. This Charities Trust had no further role in study design, in the collection, analysis and interpretation of data, in the writing of the report, and in the decision to submit the paper for publication.

References

 

DC FieldValueLanguage
dc.contributor.authorYu, Xen_HK
dc.contributor.authorStewart, SMen_HK
dc.contributor.authorWong, PTKen_HK
dc.contributor.authorLam, THen_HK
dc.date.accessioned2011-09-23T05:58:56Z-
dc.date.available2011-09-23T05:58:56Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of Affective Disorders, 2011, v. 134 n. 1-3, p. 444-447en_HK
dc.identifier.issn0165-0327en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139873-
dc.description.abstractBackground: This study investigates the psychometric properties of the Patient Health Questionnaire-2 (PHQ-2) in the general population of Hong Kong. Methods: Random sampling was used to recruit 6028 participants aged 15 years or over. Among them, 203 were surveyed twice within a two-week period. Participants completed the Chinese version of the PHQ-9 (including 2 items of the PHQ-2), the Chinese Health Questionnaire, the Happiness Scale, the SF-12, and questions about diagnosis and health service utilization. Internal consistency, test-retest reliability, construct and discriminant validity of the PHQ-2 were assessed. Results: Cronbach's α was 0.76. The test-retest reliability over two weeks calculated by intraclass correlation was 0.70. Spearman correlation results showed that the PHQ-2 score was associated with the remaining seven items of the PHQ-9 (r = 0.53), the Chinese Health Questionnaire (r = 0.37), and the Happiness scale (r = - 0.32). As expected, the strength of the correlation between the PHQ-2 and the SF-12 Physical Component Summary was lower (r = - 0.29) than that with the SF-12 Mental Component Summary (r = - 0.50). Participants with higher PHQ-2 scores more frequently reported having received a depression diagnosis made by a doctor, having chronic illness, using medicine, and utilizing health services. Using the cutoff point ≥ 3, 4.2% of participants screened positive for Major Depressive Disorder. Limitations: We did not use diagnostic interviews or other depression measures to test the PHQ-2's relative performance in screening for depression. Conclusions: This study provides evidence for the PHQ-2 as a reliable and valid screening tool for depressive symptoms among a randomly recruited community sample in Hong Kong. © 2011 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jaden_HK
dc.relation.ispartofJournal of Affective Disordersen_HK
dc.subjectChineseen_HK
dc.subjectCommunityen_HK
dc.subjectDepressionen_HK
dc.subjectPHQ-2en_HK
dc.subject.meshDepression - diagnosis-
dc.subject.meshDepressive Disorder - diagnosis - epidemiology-
dc.subject.meshDepressive Disorder, Major - diagnosis - epidemiology-
dc.subject.meshPsychiatric Status Rating Scales-
dc.subject.meshPsychometrics - instrumentation - statistics and numerical data-
dc.titleScreening for depression with the Patient Health Questionnaire-2 (PHQ-2) among the general population in Hong Kongen_HK
dc.typeArticleen_HK
dc.identifier.emailYu, X:yuxn@hku.hken_HK
dc.identifier.emailLam, TH:hrmrlth@hkucc.hku.hken_HK
dc.identifier.authorityYu, X=rp01405en_HK
dc.identifier.authorityLam, TH=rp00326en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jad.2011.05.007en_HK
dc.identifier.pmid21665288-
dc.identifier.scopuseid_2-s2.0-80052497149en_HK
dc.identifier.hkuros195539en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80052497149&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume134en_HK
dc.identifier.issue1-3en_HK
dc.identifier.spage444en_HK
dc.identifier.epage447en_HK
dc.identifier.isiWOS:000295753400059-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridYu, X=25927714000en_HK
dc.identifier.scopusauthoridStewart, SM=35460013800en_HK
dc.identifier.scopusauthoridWong, PTK=36697403300en_HK
dc.identifier.scopusauthoridLam, TH=7202522876en_HK
dc.identifier.citeulike9492233-

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