Validation of the Portuguese version of the Pittsburgh Sleep Quality Index (PSQI-PT)
Abstract The present study was realised to validate the Portuguese version of the PSQI. The instrument PSQI-PT was applied to 347 Portuguese community-dwelling adults aged 18–69 years old. The resulting data was used to perform the psychometric analysis to validate the instrument. No structural modi...
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| Veröffentlicht in: | Psychiatry research 2017-01, Vol.247, p.225-229 |
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| creator | Del Rio João, Karine Alexandra Becker, Nathália Brandolim de Neves Jesus, Saul Isabel Santos Martins, Rute |
| description | Abstract The present study was realised to validate the Portuguese version of the PSQI. The instrument PSQI-PT was applied to 347 Portuguese community-dwelling adults aged 18–69 years old. The resulting data was used to perform the psychometric analysis to validate the instrument. No structural modifications to the questionnaire were necessary during the adaptation process. The scores for the PSQI-PT showed an adequate internal consistency. The principal component analysis (PCA) produced good factor loading for all items. Finally, the analysis of demographic variables showed that age and literacy influence the values for the “Global Sleep Quality” (GSQ) in this Portuguese sample. In conclusion, this study demonstrated that the PSQI-PT is a valid and reliable instrument for the assessment of sleep quality with the advantage of allowing community-dwelling adults differentiation between good and poor sleepers. |
| doi_str_mv | 10.1016/j.psychres.2016.11.042 |
| format | Article |
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The instrument PSQI-PT was applied to 347 Portuguese community-dwelling adults aged 18–69 years old. The resulting data was used to perform the psychometric analysis to validate the instrument. No structural modifications to the questionnaire were necessary during the adaptation process. The scores for the PSQI-PT showed an adequate internal consistency. The principal component analysis (PCA) produced good factor loading for all items. Finally, the analysis of demographic variables showed that age and literacy influence the values for the “Global Sleep Quality” (GSQ) in this Portuguese sample. In conclusion, this study demonstrated that the PSQI-PT is a valid and reliable instrument for the assessment of sleep quality with the advantage of allowing community-dwelling adults differentiation between good and poor sleepers.</description><identifier>ISSN: 0165-1781</identifier><identifier>EISSN: 1872-7123</identifier><identifier>DOI: 10.1016/j.psychres.2016.11.042</identifier><identifier>PMID: 27923147</identifier><language>eng</language><publisher>Ireland: Elsevier B.V</publisher><subject>Adolescent ; Adult ; Aged ; Community-dwelling adults ; Female ; Health Status Indicators ; Humans ; Language ; Male ; Middle Aged ; Pittsburgh Sleep Quality Index ; Portugal ; Portuguese validation ; Principal Component Analysis ; Psychiatry ; Psychometrics ; Reproducibility of Results ; Sleep ; Sleep Initiation and Maintenance Disorders - diagnosis ; Sleep Initiation and Maintenance Disorders - psychology ; Sleep quality ; Surveys and Questionnaires - standards ; Translations ; Young Adult</subject><ispartof>Psychiatry research, 2017-01, Vol.247, p.225-229</ispartof><rights>Elsevier Ireland Ltd</rights><rights>2016 Elsevier Ireland Ltd</rights><rights>Copyright © 2016 Elsevier Ireland Ltd. 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The instrument PSQI-PT was applied to 347 Portuguese community-dwelling adults aged 18–69 years old. The resulting data was used to perform the psychometric analysis to validate the instrument. No structural modifications to the questionnaire were necessary during the adaptation process. The scores for the PSQI-PT showed an adequate internal consistency. The principal component analysis (PCA) produced good factor loading for all items. Finally, the analysis of demographic variables showed that age and literacy influence the values for the “Global Sleep Quality” (GSQ) in this Portuguese sample. In conclusion, this study demonstrated that the PSQI-PT is a valid and reliable instrument for the assessment of sleep quality with the advantage of allowing community-dwelling adults differentiation between good and poor sleepers.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Community-dwelling adults</subject><subject>Female</subject><subject>Health Status Indicators</subject><subject>Humans</subject><subject>Language</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Pittsburgh Sleep Quality Index</subject><subject>Portugal</subject><subject>Portuguese validation</subject><subject>Principal Component Analysis</subject><subject>Psychiatry</subject><subject>Psychometrics</subject><subject>Reproducibility of Results</subject><subject>Sleep</subject><subject>Sleep Initiation and Maintenance Disorders - diagnosis</subject><subject>Sleep Initiation and Maintenance Disorders - psychology</subject><subject>Sleep quality</subject><subject>Surveys and Questionnaires - standards</subject><subject>Translations</subject><subject>Young Adult</subject><issn>0165-1781</issn><issn>1872-7123</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1P3DAQhq2qFSwffwHlSA8JHjuJ40tVhPhYCamLdturldgT1ttsstgOYv89Xi2gqhdOljXvM2M_Q8gZ0AwolBerbOO3eunQZyzeM4CM5uwLmUAlWCqA8a9kEgtFCqKCQ3Lk_YpSykDKA3LIhGQccjEhiz91Z00d7NAnQ5uEJSazwYXxcUSPyTM6_2_FhuCb0T0uk3mHuEkexkiHbTLtDb4k57P5wzSdLb6fkG9t3Xk8fTuPye-b68XVXXr_63Z6dXmf6ryAkNYMpYTcGGiwqAVv20LLKocKmTCFQG64AcNbrtsqL3NTVKZhIrKmKWRbVvyYnO_7btzwFB8c1Np6jV1X9ziMXkHEBAMQIkbLfVS7wXuHrdo4u67dVgFVO6Nqpd6Nqp1RBaCi0Qievc0YmzWaD-xdYQz83Acw_vTZolNeW-w1GutQB2UG-_mMH_-10J3tra67v7hFvxpG10ePCpRniqr5bq-7tULJqayY5K_Le59_</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Del Rio João, Karine Alexandra</creator><creator>Becker, Nathália Brandolim</creator><creator>de Neves Jesus, Saul</creator><creator>Isabel Santos Martins, Rute</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20170101</creationdate><title>Validation of the Portuguese version of the Pittsburgh Sleep Quality Index (PSQI-PT)</title><author>Del Rio João, Karine Alexandra ; Becker, Nathália Brandolim ; de Neves Jesus, Saul ; Isabel Santos Martins, Rute</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c451t-a2e9914dd1be5a73ff5c98418e27d57e3d3d1d3f3cf8464d58db27c45db59f683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Community-dwelling adults</topic><topic>Female</topic><topic>Health Status Indicators</topic><topic>Humans</topic><topic>Language</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Pittsburgh Sleep Quality Index</topic><topic>Portugal</topic><topic>Portuguese validation</topic><topic>Principal Component Analysis</topic><topic>Psychiatry</topic><topic>Psychometrics</topic><topic>Reproducibility of Results</topic><topic>Sleep</topic><topic>Sleep Initiation and Maintenance Disorders - diagnosis</topic><topic>Sleep Initiation and Maintenance Disorders - psychology</topic><topic>Sleep quality</topic><topic>Surveys and Questionnaires - standards</topic><topic>Translations</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Del Rio João, Karine Alexandra</creatorcontrib><creatorcontrib>Becker, Nathália Brandolim</creatorcontrib><creatorcontrib>de Neves Jesus, Saul</creatorcontrib><creatorcontrib>Isabel Santos Martins, Rute</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Psychiatry research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Del Rio João, Karine Alexandra</au><au>Becker, Nathália Brandolim</au><au>de Neves Jesus, Saul</au><au>Isabel Santos Martins, Rute</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Validation of the Portuguese version of the Pittsburgh Sleep Quality Index (PSQI-PT)</atitle><jtitle>Psychiatry research</jtitle><addtitle>Psychiatry Res</addtitle><date>2017-01-01</date><risdate>2017</risdate><volume>247</volume><spage>225</spage><epage>229</epage><pages>225-229</pages><issn>0165-1781</issn><eissn>1872-7123</eissn><abstract>Abstract The present study was realised to validate the Portuguese version of the PSQI. The instrument PSQI-PT was applied to 347 Portuguese community-dwelling adults aged 18–69 years old. The resulting data was used to perform the psychometric analysis to validate the instrument. No structural modifications to the questionnaire were necessary during the adaptation process. The scores for the PSQI-PT showed an adequate internal consistency. The principal component analysis (PCA) produced good factor loading for all items. Finally, the analysis of demographic variables showed that age and literacy influence the values for the “Global Sleep Quality” (GSQ) in this Portuguese sample. In conclusion, this study demonstrated that the PSQI-PT is a valid and reliable instrument for the assessment of sleep quality with the advantage of allowing community-dwelling adults differentiation between good and poor sleepers.</abstract><cop>Ireland</cop><pub>Elsevier B.V</pub><pmid>27923147</pmid><doi>10.1016/j.psychres.2016.11.042</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adolescent Adult Aged Community-dwelling adults Female Health Status Indicators Humans Language Male Middle Aged Pittsburgh Sleep Quality Index Portugal Portuguese validation Principal Component Analysis Psychiatry Psychometrics Reproducibility of Results Sleep Sleep Initiation and Maintenance Disorders - diagnosis Sleep Initiation and Maintenance Disorders - psychology Sleep quality Surveys and Questionnaires - standards Translations Young Adult |
| title | Validation of the Portuguese version of the Pittsburgh Sleep Quality Index (PSQI-PT) |
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