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Associations Between Dietary Inflammatory Index and Metabolic Syndrome and Its Components: Findings from the VIPVIZA study in Sweden
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Epidemiology and Global Health.
2018 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Background: Metabolic Syndrome (MetSyn) has been found closely related to inflammation which Dietary Inflammatory Index (DII) focused on. The association between MetSyn and the DII score has been examined in several studies but with inconsistent results. The aim of this study was to investigate the association for the DII score with MetSyn and its components among Swedish study population.

Method: A total of 3065 subjects from the Visualization of Asymptomatic Atherosclerotic Disease for Optimum Cardiovascular Prevention (VIPVIZA) study were included in the analysis. The DII score was generated with a 64-item food frequency questionnaire (FFQ) and converted to quartiles. The MetSyn status and its traits were identified using qualified clinical measurements and self-reported medication. Logistic regression was conducted to provide age-adjusted and multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for MetSyn and separate components. A stratified analysis by sex and sensitivity analysis were performed to further examine the association.

Results: Overall, the association between the pro-inflammatory diet and MetSyn was not statistically significant. For independent components, an association between the DII score and waist circumference was found in quartile 4 of multivariable-adjusted model compared with reference (ORQ4vsQ1=1.38; 95% CI: 1.04-1.83; Ptrend=0.114). The DII score was reported associated with low HDL-cholesterol in overall analysis (multivariate ORQ4vsQ1=0.66; 95% CI: 0.48-0.91; Ptrend=0.150) and the analysis of male subjects. Another significant result observed in subgroup of men and overall analysis was fasting glucose but it suggested an inverse association.

Conclusions: In summary, there is no strong evidence showing the association between pro-inflammatory diet and MetSyn. The study has provided evidence of the association for waist circumference with the DII score. Pro-inflammatory diet was observed inversely associated with fasting glucose but this result was less convincing due to social desirability bias. Furthermore, the association for lower risk of HDL-cholesterol with pro-inflammatory diet was also found in the analysis.

Place, publisher, year, edition, pages
2018. , p. 29
Series
Centre for Public Health Report Series, ISSN 1651-341X ; 2018:14
Keywords [en]
Metabolic Syndrome, Dietary Inflammatory Index, DII, Sweden, VIPVIZA
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:umu:diva-152667OAI: oai:DiVA.org:umu-152667DiVA, id: diva2:1256561
External cooperation
Västerbottens län landsting - Maria Wennberg; Northern Sweden Diet Database - Ingegerd Johansson, Lena Maria Nilsson
Educational program
Master's Programme in Public Health
Presentation
2018-05-22, Caring Science building, Room B101, Umeå University, Umeå, 13:00 (English)
Supervisors
Examiners
Available from: 2018-10-22 Created: 2018-10-17 Last updated: 2018-10-22Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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