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Association between inflammatory potential of diet and mortality among women in the Swedish Mammography Cohort.
Eur J Nutr 2016; 55(5):1891-900EJ

Abstract

PURPOSE

Diet and dietary components have been studied previously in relation to mortality; however, little is known about the relationship between the inflammatory potential of overall diet and mortality.

MATERIALS AND METHODS

We examined the association between the Dietary Inflammatory Index (DII) and mortality among 33,747 participants in the population-based Swedish Mammography Cohort. The DII score was calculated based on dietary information obtained from a self-administered food frequency questionnaire. Mortality was determined through linkage to the Swedish Cause of Death Registry through 2013. Cox proportional hazard regression was used to estimate hazard ratios (HR). During 15 years of follow-up, 7095 deaths were identified, including 1996 due to cancer, 602 of which were due to digestive-tract cancer, and 2399 due to cardiovascular disease.

RESULTS

After adjusting for age, energy intake, education, alcohol intake, physical activity, BMI, and smoking status, analyses revealed a positive association between higher DII score and all-cause mortality. When used as a continuous variable (range -4.19 to 5.10), DII score was associated with all-cause mortality (HRContinuous = 1.05; 95 % CI 1.01-1.09) and digestive-tract cancer mortality (HRContinuous = 1.15; 95 % CI 1.02-1.29). Comparing subjects in the highest quintile of DII (≥1.91) versus the lowest quintile (DII ≤ -0.67), a significant association was observed for all-cause mortality (HR = 1.25; 95 % CI 1.07-1.47, P trend = 0.003).

CONCLUSION

These results indicate that a pro-inflammatory diet, as indicated by higher DII score, was associated with all-cause and digestive-tract cancer mortality.

Authors+Show Affiliations

Cancer Prevention and Control Program, University of South Carolina, 915 Greene Street, Suite 241, Columbia, SC, 29208, USA. shivappa@email.sc.edu. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA. shivappa@email.sc.edu.Division of Nutritional Epidemiology, The National Institute for Environmental Medicine, Karolinska Institutet, PO Box 210, 171 77, Stockholm, Sweden. Obstetrics and Gynecology Epidemiology Center, Brigham and Women's Hospital, Boston, MA, 02115, USA.Division of Nutritional Epidemiology, The National Institute for Environmental Medicine, Karolinska Institutet, PO Box 210, 171 77, Stockholm, Sweden.Cancer Prevention and Control Program, University of South Carolina, 915 Greene Street, Suite 241, Columbia, SC, 29208, USA. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26227485

Citation

Shivappa, Nitin, et al. "Association Between Inflammatory Potential of Diet and Mortality Among Women in the Swedish Mammography Cohort." European Journal of Nutrition, vol. 55, no. 5, 2016, pp. 1891-900.
Shivappa N, Harris H, Wolk A, et al. Association between inflammatory potential of diet and mortality among women in the Swedish Mammography Cohort. Eur J Nutr. 2016;55(5):1891-900.
Shivappa, N., Harris, H., Wolk, A., & Hebert, J. R. (2016). Association between inflammatory potential of diet and mortality among women in the Swedish Mammography Cohort. European Journal of Nutrition, 55(5), pp. 1891-900. doi:10.1007/s00394-015-1005-z.
Shivappa N, et al. Association Between Inflammatory Potential of Diet and Mortality Among Women in the Swedish Mammography Cohort. Eur J Nutr. 2016;55(5):1891-900. PubMed PMID: 26227485.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Association between inflammatory potential of diet and mortality among women in the Swedish Mammography Cohort. AU - Shivappa,Nitin, AU - Harris,Holly, AU - Wolk,Alicja, AU - Hebert,James R, Y1 - 2015/07/31/ PY - 2015/03/30/received PY - 2015/07/21/accepted PY - 2015/8/1/entrez PY - 2015/8/1/pubmed PY - 2017/4/1/medline KW - Dietary Inflammatory Index KW - Mortality KW - Swedish women SP - 1891 EP - 900 JF - European journal of nutrition JO - Eur J Nutr VL - 55 IS - 5 N2 - PURPOSE: Diet and dietary components have been studied previously in relation to mortality; however, little is known about the relationship between the inflammatory potential of overall diet and mortality. MATERIALS AND METHODS: We examined the association between the Dietary Inflammatory Index (DII) and mortality among 33,747 participants in the population-based Swedish Mammography Cohort. The DII score was calculated based on dietary information obtained from a self-administered food frequency questionnaire. Mortality was determined through linkage to the Swedish Cause of Death Registry through 2013. Cox proportional hazard regression was used to estimate hazard ratios (HR). During 15 years of follow-up, 7095 deaths were identified, including 1996 due to cancer, 602 of which were due to digestive-tract cancer, and 2399 due to cardiovascular disease. RESULTS: After adjusting for age, energy intake, education, alcohol intake, physical activity, BMI, and smoking status, analyses revealed a positive association between higher DII score and all-cause mortality. When used as a continuous variable (range -4.19 to 5.10), DII score was associated with all-cause mortality (HRContinuous = 1.05; 95 % CI 1.01-1.09) and digestive-tract cancer mortality (HRContinuous = 1.15; 95 % CI 1.02-1.29). Comparing subjects in the highest quintile of DII (≥1.91) versus the lowest quintile (DII ≤ -0.67), a significant association was observed for all-cause mortality (HR = 1.25; 95 % CI 1.07-1.47, P trend = 0.003). CONCLUSION: These results indicate that a pro-inflammatory diet, as indicated by higher DII score, was associated with all-cause and digestive-tract cancer mortality. SN - 1436-6215 UR - https://www.unboundmedicine.com/medline/citation/26227485/Association_between_inflammatory_potential_of_diet_and_mortality_among_women_in_the_Swedish_Mammography_Cohort_ L2 - https://dx.doi.org/10.1007/s00394-015-1005-z DB - PRIME DP - Unbound Medicine ER -