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Association between inflammatory potential of diet and mortality among women in the Swedish Mammography Cohort.

https://arctichealth.org/en/permalink/ahliterature281612
Source
Eur J Nutr. 2016 Aug;55(5):1891-900
Publication Type
Article
Date
Aug-2016
Author
Nitin Shivappa
Holly Harris
Alicja Wolk
James R Hebert
Source
Eur J Nutr. 2016 Aug;55(5):1891-900
Date
Aug-2016
Language
English
Publication Type
Article
Keywords
Body mass index
Cardiovascular Diseases - mortality
Cause of Death
Diet - adverse effects
Energy intake
Exercise
Female
Follow-Up Studies
Humans
Inflammation - mortality
Mammography
Middle Aged
Neoplasms - mortality
Nutrition Assessment
Proportional Hazards Models
Prospective Studies
Risk factors
Smoking - adverse effects
Socioeconomic Factors
Surveys and Questionnaires
Sweden - epidemiology
Abstract
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.
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.
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).
These results indicate that a pro-inflammatory diet, as indicated by higher DII score, was associated with all-cause and digestive-tract cancer mortality.
PubMed ID
26227485 View in PubMed
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Dietary inflammatory index and risk of first myocardial infarction; a prospective population-based study.

https://arctichealth.org/en/permalink/ahliterature286526
Source
Nutr J. 2017 Apr 04;16(1):21
Publication Type
Article
Date
Apr-04-2017
Author
Stina Bodén
Maria Wennberg
Bethany Van Guelpen
Ingegerd Johansson
Bernt Lindahl
Jonas Andersson
Nitin Shivappa
James R Hebert
Lena Maria Nilsson
Source
Nutr J. 2017 Apr 04;16(1):21
Date
Apr-04-2017
Language
English
Publication Type
Article
Keywords
Biomarkers - blood
Body mass index
C-Reactive Protein - metabolism
Case-Control Studies
Diet
Exercise
Female
Follow-Up Studies
Humans
Inflammation - blood - epidemiology
Interleukin-6 - blood
Logistic Models
Male
Middle Aged
Myocardial Infarction - blood - epidemiology
Nutrition Assessment
Prospective Studies
Risk factors
Surveys and Questionnaires
Sweden - epidemiology
Abstract
Chronic, low-grade inflammation is an established risk factor for cardiovascular disease. The inflammatory impact of diet can be reflected by concentrations of inflammatory markers in the bloodstream and the inflammatory potential of diet can be estimated by the dietary inflammatory index (DII(TM)), which has been associated with cardiovascular disease risk in some previous studies. We aimed to examine the association between the DII and the risk of first myocardial infarction (MI) in a population-based study with long follow-up.
We conducted a prospective case-control study of 1389 verified cases of first MI and 5555 matched controls nested within the population-based cohorts of the Northern Sweden Health and Disease Study (NSHDS), of which the largest is the ongoing Västerbotten Intervention Programme (VIP) with nearly 100 000 participants during the study period. Median follow-up from recruitment to MI diagnosis was 6.4 years (6.2 for men and 7.2 for women). DII scores were derived from a validated food frequency questionnaire (FFQ) administered in 1986-2006. Multivariable conditional logistic regression models were used to estimate odds ratios (OR) and 95% confidence intervals (CI), using quartile 1 (most anti-inflammatory diet) as the reference category. For validation, general linear models were used to estimate the association between the DII scores and two inflammatory markers, high-sensitivity C-reactive protein (hsCRP) and interleukin 6 (IL-6) in a subset (n?=?605) of the study population.
Male participants with the most pro-inflammatory DII scores had an increased risk of MI [ORQ4vsQ1?=?1.57 (95% CI 1.21-2.02) P trend?=?0.02], which was essentially unchanged after adjustment for potential confounders, including cardiovascular risk factors [ORQ4vsQ1?=?1.50 (95% CI 1.14-1.99), P trend?=?0.10]. No association was found between DII and MI in women. An increase of one DII score unit was associated with 9% higher hsCRP (95% CI 0.03-0.14) and 6% higher IL-6 (95% CI 0.02-0.11) in 605 controls with biomarker data available.
A pro-inflammatory diet was associated with an elevated risk of first myocardial infarction in men; whereas for women the relationship was null. Consideration of the inflammatory impact of diet could improve prevention of cardiovascular disease.
Notes
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PubMed ID
28376792 View in PubMed
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Diet-related inflammation and oesophageal cancer by histological type: a nationwide case-control study in Sweden.

https://arctichealth.org/en/permalink/ahliterature281417
Source
Eur J Nutr. 2016 Jun;55(4):1683-94
Publication Type
Article
Date
Jun-2016
Author
Yunxia Lu
Nitin Shivappa
Yulan Lin
Jesper Lagergren
James R Hébert
Source
Eur J Nutr. 2016 Jun;55(4):1683-94
Date
Jun-2016
Language
English
Publication Type
Article
Keywords
Adenocarcinoma - epidemiology
Aged
Body mass index
Carcinoma, Squamous Cell - epidemiology
Case-Control Studies
Diet
Diet Surveys
Educational Status
Esophageal Neoplasms - epidemiology
Exercise
Female
Helicobacter Infections - epidemiology
Humans
Inflammation - epidemiology
Logistic Models
Male
Meat
Middle Aged
Risk factors
Surveys and Questionnaires
Sweden
Whole Grains
Abstract
This project sought to test the role of diet-related inflammation in modulating the risk of oesophageal cancer.
A nationwide population-based case-control study was conducted from 1 December 1994 through 31 December 1997 in Sweden. All newly diagnosed patients with adenocarcinoma of the oesophagus or gastroesophageal junction and a randomly selected half of patients with oesophageal squamous cell carcinoma were eligible as cases. Using the Swedish Registry of the Total Population, the control group was randomly selected from the entire Swedish population and frequency-matched on age (within 10 years) and sex. The literature-derived dietary inflammatory index (DII) was developed to describe the inflammatory potential of diet. DII scores were computed based on a food frequency questionnaire. Higher DII scores indicate more pro-inflammatory diets. Odds ratios and 95 % confidence intervals (CI) were computed to assess risk associated between DII scores and oesophageal cancer using logistic regression adjusted by potential confounders.
In total, 189 oesophageal adenocarcinomas, 262 gastroesophageal junctional adenocarcinomas, 167 oesophageal squamous cell carcinomas, and 820 control subjects were recruited into the study. Significant associations with DII were observed for oesophageal squamous cell carcinoma (ORQuartile4vs1 4.35, 95 % CI 2.24, 8.43), oesophageal adenocarcinoma (ORQuartile4vs1 3.59, 95 % CI 1.87, 6.89), and gastroesophageal junctional adenocarcinoma (ORQuartile4vs1 2.04, 95 % CI 1.24, 3.36). Significant trends across quartiles of DII were observed for all subtypes of oesophageal cancer.
Diet-related inflammation appears to be associated with an increased risk of oesophageal cancer, regardless of histological type.
PubMed ID
26189130 View in PubMed
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Inflammatory diet and risk for colorectal cancer: A population-based case-control study in Newfoundland, Canada.

https://arctichealth.org/en/permalink/ahliterature290221
Source
Nutrition. 2017 Oct; 42:69-74
Publication Type
Journal Article
Date
Oct-2017
Author
Ishor Sharma
Yun Zhu
Jennifer R Woodrow
Shree Mulay
Patrick S Parfrey
John R Mclaughlin
James R Hebert
Nitin Shivappa
Yuming Li
Xin Zhou
Peizhong Peter Wang
Author Affiliation
Division of Community Health and Humanities, Faculty of Medicine, Memorial University of Newfoundland, St. John's, Newfoundland, Canada.
Source
Nutrition. 2017 Oct; 42:69-74
Date
Oct-2017
Language
English
Publication Type
Journal Article
Keywords
Case-Control Studies
Colorectal Neoplasms - epidemiology
Diet - methods
Female
Humans
Inflammation - epidemiology
Male
Middle Aged
Newfoundland and Labrador - epidemiology
Risk factors
Abstract
Chronic inflammation is implicated in causing cancer. Diet plays an important role in regulating chronic inflammation by altering circulating levels of inflammatory biomarkers. Effect of single food or nutrient on cancer often is inconclusive; perhaps due to dietary interactions and multicolinearity. The aim of this study was to determine prediagnostic inflammatory potential of overall diet in relation to risk for colorectal cancer (CRC).
In all, 547 patients with CRC from Newfoundland Familial Colorectal Cancer Registry and 685 controls from the general population were identified. Data on sociodemographic, medical history, lifestyle, and a 169-item food frequency questionnaire were collected retrospectively from both groups. Energy-adjusted Dietary Inflammatory Index (DII) score was calculated and used as both categorical and continuous variables for analysis. Odds ratio was estimated using multivariable logistic regression after adjusting potential confounders. A linear test for trend was performed using the median value in each quartile.
Overall energy-adjusted mean DII score was -0.81 (range -5.19 to 6.93). Cases (-0.73 ± 1.5) had slightly higher DII scores than controls (-0.89 ± 1.6; P = 0.04). After adjusting the potential confounders, a statistically significant association was found between DII score and CRC risk. Using DII as a continuous variable (odds ratio [OR]continuous 1.10, 95% confidence interval [CI] 1.01-1.20) and categorical variable (ORquartile 1 versus 4 1.65, 95% CI 1.13-2.42; Ptrend = 0.02).
Our findings indicate that proinflammatory diets are associated with an increased risk for CRC in the Newfoundland population.
PubMed ID
28870481 View in PubMed
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Prospective study of dietary inflammatory index and risk of breast cancer in Swedish women.

https://arctichealth.org/en/permalink/ahliterature269040
Source
Br J Cancer. 2015 Sep 29;113(7):1099-103
Publication Type
Article
Date
Sep-29-2015
Author
Nitin Shivappa
Sven Sandin
Marie Löf
James R Hébert
Hans-Olov Adami
Elisabete Weiderpass
Source
Br J Cancer. 2015 Sep 29;113(7):1099-103
Date
Sep-29-2015
Language
English
Publication Type
Article
Keywords
Adult
Breast Neoplasms - epidemiology - etiology
Diet - adverse effects
Female
Humans
Inflammation - chemically induced
Middle Aged
Postmenopause
Proportional Hazards Models
Prospective Studies
Risk assessment
Surveys and Questionnaires
Sweden - epidemiology
Abstract
The role of diet in breast cancer (BrCa) aetiology has been studied widely. Although the results are inconsistent, dietary components have been implicated through their effects on inflammation. We examined the association between a dietary inflammatory index (DII) and BrCa incidence in the Swedish Women's Lifestyle Study.
The DII was computed at baseline from a validated 80-item food frequency questionnaire in a cohort of 49?258 women, among whom 1895 incident BrCa cases were identified through linkage with the National Cancer Registry through 2011. We used multivariable Cox proportional models to estimate hazard ratios (HR).
Positive associations were observed between DII and BrCa (HRDII quartile 4 vs 1=1.18; 95% CI: 1.00, 1.39), with somewhat stronger associations in postmenopausal women (HRDII quartile 4 vs 1=1.22; 95% CI: 1.01, 1.46).
A proinflammatory diet appears to increase the risk of developing BrCa, especially in postmenopausal women.
Notes
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PubMed ID
26335605 View in PubMed
Less detail