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dc.contributor.authorEstévez López, Fernando
dc.contributor.authorArrayás Grajera, Manuel Javier
dc.contributor.authorSegura Jiménez, Víctor
dc.date.accessioned2016-06-06T12:43:47Z
dc.date.available2016-06-06T12:43:47Z
dc.date.issued2016
dc.identifier.citationEstévez López, F., Arrayás Grajera, M., Segura Jiménez, V.: "Factor structure of the Positive and Negative Affect Schedule (PANAS) in adult women with fibromyalgia from Southern Spain : the al-Ándalus project". PeerJ. Vol. 4, (2016). DOI: 10.7717/peerj.1822en_US
dc.identifier.issn2167-8359 (electrónico)
dc.identifier.urihttp://hdl.handle.net/10272/12244
dc.description.abstractBackground: Fibromyalgia is a syndrome characterized by the presence of widespread chronic pain. People with fibromyalgia report lower levels of Positive Affect and higher levels of Negative Affect than non-fibromyalgia peers. The Positive and Negative Affect Schedule (PANAS)–a widely used questionnaire to assess two core domains of affect; namely ‘Positive Affect’ and ‘Negative Affect’ –has a controversial factor structure varying across studies. The internal structure of a measurement instrument has an impact on the meaning and validity of its score. Therefore, the aim of the present study was to assess the structural construct validity of the PANAS in adult women with fibromyalgia. Methods: This population-based cross-sectional study included 442 adult women with fibromyalgia (age: 51.3 ± 7.4 years old) from Andalusia (Southern Spain). Confirmatory factor analyses were conducted to test the factor structure of the PANAS. Results: A structure with two correlated factors (Positive Affect and Negative Affect) obtained the best fit; S-B χ2 = 288.49, df = 155, p < .001; RMSEA = .04; 90% CI of RMSEA = (.036, .052); the best fit SRMR = .05; CFI = .96; CAIC = −810.66, respectively. Conclusions: The present study demonstrates that both Positive Affect and Negative Affect are core dimensions of affect in adult women with fibromyalgia. A structure with two correlated factors of the PANAS emerged from our sample of women with fibromyalgia from Andalusia (Southern Spain). In this model, the amount of variance shared by Positive Affect and Negative Affect was small. Therefore, our findings support to use and interpret the Positive Affect and Negative Affect subscales of the PANAS as separate factors that are associated but distinctive as well.en_US
dc.description.sponsorshipThis study was funded by the Spanish Ministry of Economy and Competitiveness [I+D+i DEP2010-15639 and I+D+i DEP2013-40908-R], the Consejeria de Turismo, Comercio y Deporte (CTCD-201000019242-TRA), the Andalusia Institute of Sport, the Center of Initiatives and Cooperation to the Development (CICODE, University of Granada), and the Andalusian Federation of people with fibromyalgia, chronic fatigue, and multiple, chemical sensitivity (Alba Andalucı ́ a). FE-L [Grant number: BES-2014-067612] and ICA-G [Grant number: BES-2011-047133] were supported by Grants from the Spanish Ministry of Economy and Competitiveness. VAA was supported by the Andalucı ́ a Talent Hub Program launched by the Andalusian Knowledge Agency, co-funded by the European Union’s Seventh Framework Program, Marie Sk 1 odowska-Curie actions (COFUND–Grant Agreement no 291780) and the Ministry of Economy, Innovation, Science and Employment of the Junta de Andalucı ́ a. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
dc.description.sponsorshipThis study was funded by the Spanish Ministry of Economy and Competitiveness [I+D+i DEP2010-15639 and I+D+i DEP2013-40908-R], the Consejeria de Turismo, Comercio y Deporte (CTCD-201000019242-TRA), the Andalusia Institute of Sport, the Center of Initiatives and Cooperation to the Development (CICODE, University of Granada), and the Andalusian Federation of people with fibromyalgia, chronic fatigue, and multiple, chemical sensitivity (Alba Andalucia). FE-L [Grant number: BES-2014-067612] and ICA-G [Grant number: BES-2011-047133] were supported by Grants from the Spanish Ministry of Economy and Competitiveness. VAA was supported by the Andalucia Talent Hub Program launched by the Andalusian Knowledge Agency, co-funded by the European Union's Seventh Framework Program, Marie Sklodowska-Curie actions (COFUND-Grant Agreement no 291780) and the Ministry of Economy, Innovation, Science and Employment of the Junta de Andalucia. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
dc.language.isoengen_US
dc.publisherPeerJen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.otherAffectivityen_US
dc.subject.otherChronic painen_US
dc.subject.otherConfirmatory factor analysisen_US
dc.subject.otherDimensional structureen_US
dc.subject.otherEmotionen_US
dc.subject.otherMooden_US
dc.subject.otherPositive and Negative Affect Scheduleen_US
dc.subject.otherPsychometricsen_US
dc.titleFactor structure of the Positive and Negative Affect Schedule (PANAS) in adult women with fibromyalgia from Southern Spain : the al-Ándalus projecten_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.identifier.doi10.7717/peerj.1822
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen_US
dc.relation.projectIDinfo:eu-repo/grantAgreement/Spanish Ministry of Economy and Competitiveness [I+D+i DEP2010-15639, I+D+i DEP2013-40908-R, BES-2014-067612, BES-2011-047133]
dc.relation.projectIDinfo:eu-repo/grantAgreement/Consejeria de Turismo, Comercio y Deporte [CTCD-201000019242-TRA]
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Union [291780]


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