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Cross-cultural translation and validation to Portuguese of the bariatric quality of life (BQL) Index

2022-11Conference object Open access
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dc.contributor.authorFigueiredo, Inês Rego de
dc.contributor.authorCarvalho, Miguel Vasques
dc.contributor.authorCunha, Nelson
dc.contributor.authorMartins, Diana
dc.contributor.authorSilva-Nunes, José
dc.date.accessioned2022-12-30T18:38:03Z
dc.date.available2022-12-30T18:38:03Z
dc.date.issued2022-11
dc.description.abstractIntroduction: Obesity is a chronic noncommunicable disease, defined by the body mass index (BMI) ≥ 30Kg/m2. Its burden is not restricted to mortality and morbidity from other noncommunicable diseases, but also from a decrease in quality of life (QoL). There are several tools for assessing QoL, from generic health-related tools to obesity-related tools. However, to assess QoL in patients undergoing bariatric surgery there was only BAROS, which has some issues. Therefore, the Bariatric Quality of Life (BQL) index was developed. We aimed to perform a cross-cultural adaptation and validation of the BQL index in the Portuguese language. Methods: A cross-sectional study was performed, by presenting two questionnaires to participants: BQL índex and EQ-5D-3L. Translation followed by forward translation, reviewing, back-translation, comparison, and pilot testing was done. A retest was performed 6 months after the baseline. The following psychometric properties were assessed: converging validity by correlation through Spearman coefficient (r>0.3) of BQL and EQ-5D-3L, internal consistency by Cronbach alfa coefficient (≥0.5), and reproducibility between test and retest through Spearman correlation (r>0.3) and intraclass correlation coefficient (≥ 0.60). Results: A total of 260 participants were included, the majority (78%) being females, mean age of 45±10 years old, and a mean BMI of 44±6.5kg/m2. The most common obesity-related conditions were osteoarticular disease (69%), anxiety/depression (60%), and hypertension (54%); the eating patterns were volume-eater (67%) and sweet-eater (62%). QoL scores were 41.3±9.3 for the BQL index, 0.35±0.19 for the EQ-5D-3L index, and 55.7±19.8 for the EQ-5D-3L VAS. The translation yielded good convergent validity (r=0.62), good internal consistency (a=0.94), and good reproducibility (r=0.62 and ICC=0.79). Conclusions: Our translation exhibited good parametric properties, with validity within the original BQL values, higher internal consistency, and suboptimal reproducibility. We can conclude that this version of the BQL index is suitable for Portuguese patients.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFigueiredo IR, Carvalho MV, Cunha N, Martins D, Silva-Nunes J. Cross-cultural translation and validation to Portuguese of the bariatric quality of life (BQL) Index. In: 26º Congresso Português da Obesidade, Hotel Vila Galé Coimbra, 24 a 26 de novembro de 2022.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/15217
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relation.publisherversionhttps://congressoportuguesobesidade.pt/programa/pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectBariatric Quality of Life Indexpt_PT
dc.subjectTranslationpt_PT
dc.subjectValidationpt_PT
dc.subjectPortugalpt_PT
dc.titleCross-cultural translation and validation to Portuguese of the bariatric quality of life (BQL) Indexpt_PT
dc.typeconference object
dspace.entity.typePublication
person.familyNameSilva-Nunes
person.givenNameJosé António
person.identifier.ciencia-id4B1C-E132-25F0
person.identifier.orcid0000-0002-4728-1220
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication9352b380-9661-4316-ab88-6ed9be1020ac
relation.isAuthorOfPublication.latestForDiscovery9352b380-9661-4316-ab88-6ed9be1020ac

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