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Prevalence of general and abdominal obesity in Portugal: comprehensive results from the National Food, nutrition and physical activity survey 2015-2016

2018-05-11Artigo científico Acesso aberto
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dc.contributor.authorOliveira, Andreia
dc.contributor.authorAraújo, Joana
dc.contributor.authorSevero, Milton
dc.contributor.authorCorreia, Daniela
dc.contributor.authorRamos, Elisabete
dc.contributor.authorTorres, Duarte
dc.contributor.authorLopes, Carla
dc.contributor.authorby the IAN-AF Consortium
dc.date.accessioned2018-09-06T14:23:41Z
dc.date.available2018-09-06T14:23:41Z
dc.date.issued2018-05-11
dc.descriptionCollaborators: Lopes C, Oliveira A, Severo M, Torres D, Rodrigues S, Ramos E, Vilela S, Guiomar S, Oliveira L, Alarcão V, Nicola P, Mota J, Teixeira P, Soares S, Andersen LF. IAN-AF Consortium - investigadores - Sofia Guiomar (Instituto Nacional de Saúde Doutor Ricardo Jorge)pt_PT
dc.description.abstractBACKGROUND: This study includes, for the first time, estimates of general and abdominal obesity prevalence for all ages of the Portuguese population, using common standardized methodologies. Results are compared by sex, age groups, educational level and geographical regions. METHODS: Participants were a representative sample of the Portuguese population aged between 3 months and 84 years of age (n = 6553), enrolled in the National Food, Nutrition and Physical Activity Survey, 2015-2016. Objective anthropometric measurements included length/height, weight and body circumferences, performed according to standard procedures. Body mass index (BMI) was classified according to the World Health Organization (WHO) growth charts for children and adolescents, and WHO criteria for adults. Abdominal obesity was defined in adults as waist-hip ratio ≥ 0.85 in women or ≥ 0.90 in men. Prevalence estimates and 95% confidence intervals (95%CI) were weighted according to a complex sampling design, considering stratification by seven geographical regions and cluster effect for the selected Primary Health Care Unit. RESULTS: The national prevalence of obesity is 22.3% (95%CI: 20.5-24.0), significantly higher in women. Obesity prevalence is much higher in the elderly (39.2%, 95%CI. 34.2-44.2), while children and adolescents have the lowest prevalence around 8-9%. In a regression model, three knot points denoting an inflection of obesity prevalence across the life span were observed around 5, 15 and 75 years. The prevalence of pre-obesity at national level is 34.8% (95%CI: 32.9-36.7), higher in men, and almost 18% of children and 24% of adolescents have pre-obesity. The sex- and age-standardized prevalence of obesity ranged from 38.3% (95%CI: 34.6-42.1) to 13.1% (95%CI: 10.3-15.9) for the less and the most educated individuals, respectively. Although some geographical region disparities, obesity prevalence did not significantly differed across regions (p = 0.094). The national prevalence of abdominal obesity in adults is 50.5% (95%CI: 47.9-53.1), particularly high in the elderly (80.2%). CONCLUSION: Almost 60% of the general Portuguese population is obese or pre-obese. Women, elderly and less educated individuals present the highest obesity prevalence. Abdominal obesity, in particular, seems to be a relevant public health problem among the elderly men.pt_PT
dc.description.sponsorshipThis Survey has received funding from the EEA Grants Program, Public Health Initiatives (PT06 - 000088SI3).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBMC Public Health. 2018 May 11;18(1):614. doi: 10.1186/s12889-018-5480-zpt_PT
dc.identifier.doi10.1186/s12889-018-5480-zpt_PT
dc.identifier.issn1471-2458
dc.identifier.urihttp://hdl.handle.net/10400.18/5601
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringer Naturept_PT
dc.relation.publisherversionhttps://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-018-5480-zpt_PT
dc.subjectNational Surveypt_PT
dc.subjectObesitypt_PT
dc.subjectOverweightpt_PT
dc.subjectPrevalencept_PT
dc.subjectPortuguese Populationpt_PT
dc.subjectPortugalpt_PT
dc.subject2015-2016pt_PT
dc.subjectEstados de Saúde e de Doençapt_PT
dc.titlePrevalence of general and abdominal obesity in Portugal: comprehensive results from the National Food, nutrition and physical activity survey 2015-2016pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue1pt_PT
oaire.citation.startPage614pt_PT
oaire.citation.volume18pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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