Construct validation of the dietary inflammatory index among postmenopausal women

Fred K. Tabung, Susan E. Steck, Jiajia Zhang, Yunsheng Ma, Angela D. Liese, Ilir Agalliu, Melanie D Hingle, Lifang Hou, Thomas G. Hurley, Li Jiao, Lisa W. Martin, Amy E. Millen, Hannah L. Park, Milagros C. Rosal, James M. Shikany, Nitin Shivappa, Judith K. Ockene, James R. Hebert

Research output: Contribution to journalArticle

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Abstract

Purpose: Many dietary factors have either proinflammatory or anti-inflammatory properties. We previously developed a dietary inflammatory index (DII) to assess the inflammatory potential of diet. In this study, we conducted a construct validation of the DII based on data from a food frequency questionnaire and three inflammatory biomarkers in a subsample of 2567 postmenopausal women in the Women's Health Initiative Observational Study. Methods: We used multiple linear and logistic regression models, controlling for potential confounders, to test whether baseline DII predicted concentrations of interleukin-6, high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor alpha receptor 2, or an overall biomarker score combining all three inflammatory biomarkers. Results: The DII was associated with the four biomarkers with beta estimates (95% confidence interval) comparing the highest with lowest DII quintiles as follows: interleukin-6: 1.26 (1.15-1.38), P<inf>trend</inf> < .0001; tumor necrosis factor alpha receptor 2: 81.43 (19.15-143.71), P<inf>trend</inf>=.004; dichotomized hs-CRP (odds ratio for higher vs. lower hs-CRP): 1.30 (0.97-1.67), P<inf>trend</inf>=.34; and the combined inflammatory biomarker score: 0.26 (0.12-0.40), P<inf>trend</inf>=.0001. Conclusions: The DII was significantly associated with inflammatory biomarkers. Construct validity of the DII indicates its utility for assessing the inflammatory potential of diet and for expanding its use to include associations with common chronic diseases in future studies.

Original languageEnglish (US)
Pages (from-to)398-405
Number of pages8
JournalAnnals of Epidemiology
Volume25
Issue number6
DOIs
StatePublished - Jun 1 2015

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Biomarkers
C-Reactive Protein
Interleukin-6
Logistic Models
Receptors, Tumor Necrosis Factor, Type II
Diet
Women's Health
Observational Studies
Linear Models
Chronic Disease
Anti-Inflammatory Agents
Tumor Necrosis Factor-alpha
Odds Ratio
Confidence Intervals
Food

Keywords

  • Construct validation
  • Dietary inflammatory index
  • Inflammatory biomarkers
  • Women's Health Initiative

ASJC Scopus subject areas

  • Epidemiology

Cite this

Tabung, F. K., Steck, S. E., Zhang, J., Ma, Y., Liese, A. D., Agalliu, I., ... Hebert, J. R. (2015). Construct validation of the dietary inflammatory index among postmenopausal women. Annals of Epidemiology, 25(6), 398-405. https://doi.org/10.1016/j.annepidem.2015.03.009

Construct validation of the dietary inflammatory index among postmenopausal women. / Tabung, Fred K.; Steck, Susan E.; Zhang, Jiajia; Ma, Yunsheng; Liese, Angela D.; Agalliu, Ilir; Hingle, Melanie D; Hou, Lifang; Hurley, Thomas G.; Jiao, Li; Martin, Lisa W.; Millen, Amy E.; Park, Hannah L.; Rosal, Milagros C.; Shikany, James M.; Shivappa, Nitin; Ockene, Judith K.; Hebert, James R.

In: Annals of Epidemiology, Vol. 25, No. 6, 01.06.2015, p. 398-405.

Research output: Contribution to journalArticle

Tabung, FK, Steck, SE, Zhang, J, Ma, Y, Liese, AD, Agalliu, I, Hingle, MD, Hou, L, Hurley, TG, Jiao, L, Martin, LW, Millen, AE, Park, HL, Rosal, MC, Shikany, JM, Shivappa, N, Ockene, JK & Hebert, JR 2015, 'Construct validation of the dietary inflammatory index among postmenopausal women', Annals of Epidemiology, vol. 25, no. 6, pp. 398-405. https://doi.org/10.1016/j.annepidem.2015.03.009
Tabung, Fred K. ; Steck, Susan E. ; Zhang, Jiajia ; Ma, Yunsheng ; Liese, Angela D. ; Agalliu, Ilir ; Hingle, Melanie D ; Hou, Lifang ; Hurley, Thomas G. ; Jiao, Li ; Martin, Lisa W. ; Millen, Amy E. ; Park, Hannah L. ; Rosal, Milagros C. ; Shikany, James M. ; Shivappa, Nitin ; Ockene, Judith K. ; Hebert, James R. / Construct validation of the dietary inflammatory index among postmenopausal women. In: Annals of Epidemiology. 2015 ; Vol. 25, No. 6. pp. 398-405.
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abstract = "Purpose: Many dietary factors have either proinflammatory or anti-inflammatory properties. We previously developed a dietary inflammatory index (DII) to assess the inflammatory potential of diet. In this study, we conducted a construct validation of the DII based on data from a food frequency questionnaire and three inflammatory biomarkers in a subsample of 2567 postmenopausal women in the Women's Health Initiative Observational Study. Methods: We used multiple linear and logistic regression models, controlling for potential confounders, to test whether baseline DII predicted concentrations of interleukin-6, high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor alpha receptor 2, or an overall biomarker score combining all three inflammatory biomarkers. Results: The DII was associated with the four biomarkers with beta estimates (95{\%} confidence interval) comparing the highest with lowest DII quintiles as follows: interleukin-6: 1.26 (1.15-1.38), Ptrend < .0001; tumor necrosis factor alpha receptor 2: 81.43 (19.15-143.71), Ptrend=.004; dichotomized hs-CRP (odds ratio for higher vs. lower hs-CRP): 1.30 (0.97-1.67), Ptrend=.34; and the combined inflammatory biomarker score: 0.26 (0.12-0.40), Ptrend=.0001. Conclusions: The DII was significantly associated with inflammatory biomarkers. Construct validity of the DII indicates its utility for assessing the inflammatory potential of diet and for expanding its use to include associations with common chronic diseases in future studies.",
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AU - Tabung, Fred K.

AU - Steck, Susan E.

AU - Zhang, Jiajia

AU - Ma, Yunsheng

AU - Liese, Angela D.

AU - Agalliu, Ilir

AU - Hingle, Melanie D

AU - Hou, Lifang

AU - Hurley, Thomas G.

AU - Jiao, Li

AU - Martin, Lisa W.

AU - Millen, Amy E.

AU - Park, Hannah L.

AU - Rosal, Milagros C.

AU - Shikany, James M.

AU - Shivappa, Nitin

AU - Ockene, Judith K.

AU - Hebert, James R.

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N2 - Purpose: Many dietary factors have either proinflammatory or anti-inflammatory properties. We previously developed a dietary inflammatory index (DII) to assess the inflammatory potential of diet. In this study, we conducted a construct validation of the DII based on data from a food frequency questionnaire and three inflammatory biomarkers in a subsample of 2567 postmenopausal women in the Women's Health Initiative Observational Study. Methods: We used multiple linear and logistic regression models, controlling for potential confounders, to test whether baseline DII predicted concentrations of interleukin-6, high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor alpha receptor 2, or an overall biomarker score combining all three inflammatory biomarkers. Results: The DII was associated with the four biomarkers with beta estimates (95% confidence interval) comparing the highest with lowest DII quintiles as follows: interleukin-6: 1.26 (1.15-1.38), Ptrend < .0001; tumor necrosis factor alpha receptor 2: 81.43 (19.15-143.71), Ptrend=.004; dichotomized hs-CRP (odds ratio for higher vs. lower hs-CRP): 1.30 (0.97-1.67), Ptrend=.34; and the combined inflammatory biomarker score: 0.26 (0.12-0.40), Ptrend=.0001. Conclusions: The DII was significantly associated with inflammatory biomarkers. Construct validity of the DII indicates its utility for assessing the inflammatory potential of diet and for expanding its use to include associations with common chronic diseases in future studies.

AB - Purpose: Many dietary factors have either proinflammatory or anti-inflammatory properties. We previously developed a dietary inflammatory index (DII) to assess the inflammatory potential of diet. In this study, we conducted a construct validation of the DII based on data from a food frequency questionnaire and three inflammatory biomarkers in a subsample of 2567 postmenopausal women in the Women's Health Initiative Observational Study. Methods: We used multiple linear and logistic regression models, controlling for potential confounders, to test whether baseline DII predicted concentrations of interleukin-6, high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor alpha receptor 2, or an overall biomarker score combining all three inflammatory biomarkers. Results: The DII was associated with the four biomarkers with beta estimates (95% confidence interval) comparing the highest with lowest DII quintiles as follows: interleukin-6: 1.26 (1.15-1.38), Ptrend < .0001; tumor necrosis factor alpha receptor 2: 81.43 (19.15-143.71), Ptrend=.004; dichotomized hs-CRP (odds ratio for higher vs. lower hs-CRP): 1.30 (0.97-1.67), Ptrend=.34; and the combined inflammatory biomarker score: 0.26 (0.12-0.40), Ptrend=.0001. Conclusions: The DII was significantly associated with inflammatory biomarkers. Construct validity of the DII indicates its utility for assessing the inflammatory potential of diet and for expanding its use to include associations with common chronic diseases in future studies.

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