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Dietary inflammatory index and inflammatory biomarkers in adolescents from LabMed physical activity study

2018Journal article Open access
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dc.contributor.authorAlmeida-de-Souza, Juliana
dc.contributor.authorSantos, Rute
dc.contributor.authorBarros, Renata
dc.contributor.authorAbreu, Sandra
dc.contributor.authorMoreira, Carla
dc.contributor.authorLopes, Luís
dc.contributor.authorMota, Jorge
dc.contributor.authorMoreira, Pedro
dc.date.accessioned2020-07-23T14:42:46Z
dc.date.available2020-07-23T14:42:46Z
dc.date.issued2018
dc.description.abstractBackground/objectives The dietary inflammatory index (DII) is a tool to measure the diet’s inflammatory potential and has been used with adults to predict low-grade inflammation. The present study aims to assess whether this dietary score predicts low-grade inflammation in adolescents. Subjects/methods The sample comprises 329 adolescents (55.9% girls), aged 12–18 years, from LabMed Physical Activity Study. DII score was calculated based on a food-frequency questionnaire and categorized into tertiles. We collected blood samples to determine the follow inflammatory biomarkers: C-reactive protein (CRP), interleukin-6 (IL-6), complement component 3 (C3), and 4 (C4). In addition we calculated an overall inflammatory biomarker score. Odds ratios (OR) and 95% confidence intervals (95%CI) were computed from binary logistic regression models. Results DII score, comparing first with third tertile, was positively associated with IL-6 in crude model (OR = 1.88, 95% CI:1.09–3.24, ptrend = 0.011) and in fully adjusted (for biological and lifestyle variables) (OR = 3.38, 95%CI:1.24–9.20, ptrend = 0.023). Also, DII score was positively associated with C4, when fully adjusted (OR = 3.12, 95%CI:1.21–8.10, ptrend = 0.016). DII score was negatively associated with C3 in crude model, comparing first with second but not with third tertile, and no significant associations in fully adjusted model were observed, although a trend was found (OR = 1.71, 95% CI:0.63–4.66, ptrend = 0.044). No significant associations were observed between DII score and CRP. However, DII score was positively associated with the overall inflammatory biomarker score, when fully adjusted (OR = 5.61, 95% CI:2.00–15.78, ptrend = 0.002). Conclusions DII score can be useful to assess the diet’s inflammatory potential and its association with low-grade inflammation in adolescents.pt_PT
dc.description.sponsorshipThe authors gratefully acknowledged the participation of all adolescents and their parents, teachers and schools of the LabMed and Physical Activity Study, the cooperation of volunteer’s, the Department of Hygiene and Epidemiology (University of Porto) for the conversion food frequency questionnaire data into nutrients, and the Research Centre in Physical Activity, Health and Leisure (University of Porto) for the sponsoring the LabMed and Physical Activity Study.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlmeida-de-Souza, Juliana; Santos, Rute; Barros, Renata; Abreu, Sandra; Moreira, Carla; Lopes, Luís; Mota, Jorge; Moreira, Pedro (2018). Dietary inflammatory index and inflammatory biomarkers in adolescents from LabMed physical activity study. European Journal of Clinical Nutrition. ISSN 0954-3007. 72:5, p. 710-719pt_PT
dc.identifier.doi10.1038/s41430-017-0013-xpt_PT
dc.identifier.issn0954-3007
dc.identifier.urihttp://hdl.handle.net/10198/22516
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectFood frequency questionnairept_PT
dc.subjectDiet recallpt_PT
dc.subjectEating habitpt_PT
dc.subjectExercisept_PT
dc.titleDietary inflammatory index and inflammatory biomarkers in adolescents from LabMed physical activity studypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage719pt_PT
oaire.citation.issue5pt_PT
oaire.citation.startPage710-719pt_PT
oaire.citation.titleEuropean Journal of Clinical Nutritionpt_PT
oaire.citation.volume72pt_PT
person.familyNameAlmeida-de-Souza
person.givenNameJuliana
person.identifier.ciencia-idFA14-073E-C116
person.identifier.orcid0000-0002-2578-3684
person.identifier.scopus-author-id57194551953
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication9d064d3f-d90d-41e9-b993-297a4e808396
relation.isAuthorOfPublication.latestForDiscovery9d064d3f-d90d-41e9-b993-297a4e808396

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