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Malnutrition and obesity in community-dwelling older adults : concomitant conditions? (PEN-3S study)

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dc.contributor.authorMadeira, Teresa
dc.contributor.authorPlácido, Catarina Peixoto
dc.contributor.authorSousa-Santos, Nuno
dc.contributor.authorMendonça, Nuno
dc.contributor.authorSantos, Osvaldo
dc.contributor.authorAlarcão, Violeta
dc.contributor.authorNicola, Paulo Jorge Morais Zamith
dc.contributor.authorLopes, Carla
dc.contributor.authorGorjão Clara, João Pedro Pereira
dc.date.accessioned2020-07-21T10:12:34Z
dc.date.available2020-07-21T10:12:34Z
dc.date.issued2020
dc.description© The Authors 2020.pt_PT
dc.description.abstractBoth malnutrition (which here refers to undernutrition) and obesity are prevalent in older adults, but they are frequently seen as mutually exclusive. In fact, a low body mass index (BMI) is one of the aetiological diagnostic criteria for malnutrition. On the contrary, the concomitant presence of malnutrition and obesity has been less studied. The aim of this study was to characterise the nutritional status of community-dwelling older adults (≥ 65 years old) living in Portugal. The study included a nationally representative sample of randomly selected community-dwelling older adults. Trained nutritionists collected data through face-to-face structured interviews regarding sociodemographic characteristics, nutritional status and anthropometric measures (namely, weight and height), among other variables of the PEN-3S study. Nutritional status was assessed by the 18-item Mini Nutritional Assessment (full MNA®), in which a lower score indicates worse nutritional status. The World Health Organisation’s (WHO) BMI cut-offs for adults were followed (obesity: BMI ≥ 30Kg/m2 ). MNA and BMI categories estimates (95% CI) were obtained using Complex Samples analysis (SPSS® 24.0). Non-difference between sexes was analysed with Chi-square tests. Complete information was available for 1110 community-dwelling participants (mean age: 75.9 ± 8.1 years; 48.9% women; 71.4% attended school for < 5 years). According to the MNA, 0.5% (95%CI: 0.2–1.7) were classified as malnourished and 16.0% (12.9–19.7) were at risk of malnutrition. Following WHO’s BMI criteria, 0.6% (0.2–1.5) had a BMI ≤ 18.5Kg/m2 , 41.9% (37.9–46.0) had a BMI between 25–30Kg/m2 , and 36.7% (32.8–40.9) presented a BMI ≥ 30Kg/m2 . The prevalence of risk of malnutrition was significantly higher for women (20.1%, 95% CI: 15.4–25.9) than men (10.4%, 7.6–14.1; p < 0.001). The prevalence of obesity was also significantly higher for women (42.2%, 35.9–48.7 versus 29.3%, 24.8–34.2; p = 0.007). Moreover, 13.9% (9.2–20.4) were simultaneously at risk of malnutrition and had a BMI ≥ 30Kg/m2 , while no one in this BMI category was classified as malnourished. Although appropriate BMI cut-offs for older adults are still uncertain, these results highlight that a high BMI does not exclude the risk of malnutrition, particularly in women. Therefore, health professionals should routinely screen for malnutrition using multi-component, validated screening tools, irrespective of the BMI. In fact, malnutrition is preventable if detected on time and effective interventions exist. The concomitant presence of malnutrition and obesity may pose additional challenges to the treatment.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationProceedings of the Nutrition Society, 79(OCE2), E607pt_PT
dc.identifier.doi10.1017/S002966512000556Xpt_PT
dc.identifier.eissn1475-2719
dc.identifier.issn0029-6651
dc.identifier.urihttp://hdl.handle.net/10451/44065
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherCambridge University Presspt_PT
dc.relation.publisherversionhttps://www.cambridge.org/core/journals/proceedings-of-the-nutrition-society/article/malnutrition-and-obesity-in-communitydwelling-older-adults-concomitant-conditions-pen3s-study/7F3679A3C7EA037A3F697E58D061BDE0pt_PT
dc.titleMalnutrition and obesity in community-dwelling older adults : concomitant conditions? (PEN-3S study)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issueOCE2pt_PT
oaire.citation.titleProceedings of the Nutrition Societypt_PT
oaire.citation.volume79pt_PT
person.familyNamePinto Santos Nunes Madeira Sarmento
person.familyNamePeixoto Plácido
person.familyNameNETO DE SOUSA SANTOS
person.familyNameSantos
person.familyNameAlarcão
person.familyNameMorais Zamith Nicola
person.familyNameGorjão Clara
person.givenNameAna Teresa
person.givenNameCatarina
person.givenNameNUNO MIGUEL
person.givenNameOsvaldo
person.givenNameVioleta
person.givenNamePaulo Jorge
person.givenNameJoão Pedro Pereira
person.identifier.ciencia-id9D19-73E6-F1C8
person.identifier.ciencia-id8F17-95D6-AE7E
person.identifier.ciencia-id081A-5187-84DE
person.identifier.ciencia-idEC13-192D-69C8
person.identifier.orcid0000-0002-1775-7195
person.identifier.orcid0000-0001-8415-2447
person.identifier.orcid0000-0002-8979-8551
person.identifier.orcid0000-0002-0836-4314
person.identifier.orcid0000-0002-4807-5904
person.identifier.orcid0000-0003-0175-8457
person.identifier.orcid0000-0003-4553-6928
person.identifier.ridL-3256-2015
person.identifier.scopus-author-id24342657400
person.identifier.scopus-author-id7003405044
person.identifier.scopus-author-id6602465756
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscovery92465785-99a3-4470-9698-f9374f17074b

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