Relationship between breast cancer and dietary inflammatory index; a case–control study

医学 乳腺癌 优势比 混淆 母乳喂养 癌症 逻辑回归 体质指数 病例对照研究 产科 怀孕 内科学 妇科 儿科 生物 遗传学
作者
Maryam Gholamalizadeh,Maryam Afsharfar,Soroor Fathi,Shirin Tajadod,Golsa Khalatbari Mohseni,Soheila Shekari,Farhad Vahid,Saeid Doaei,Hanieh Shafaei Kachaei,Nazanin Majidi,Naser Kalantari
出处
期刊:Clinical nutrition ESPEN [Elsevier BV]
卷期号:51: 353-358 被引量:5
标识
DOI:10.1016/j.clnesp.2022.08.001
摘要

Summary

Introduction

Breast cancer is the leading cause of cancer–related mortality among women around the world. The relationship between the inflammatory potential of diet and breast cancer has been studied extensively, but results remain inconsistent. This study aimed to investigate the association between the dietary inflammatory index (DII) and odds of breast cancer.

Methods

This case–control study includes 180 women with breast cancer and 360 healthy women randomly selected from those referred to Shohadaye Tajrish hospital in Tehran, Iran. The DII scores were computed based on a 168-item food frequency questionnaire (FFQ) assessed based on dietary intake. After adjusting the potential confounders, logistic regression models were used to estimate multivariable odds ratios (ORs).

Results

The positive association was found between DII and breast cancer risk. A higher level of DII was associated with a higher risk of developing breast cancer after being adjusted for age (OR: 2.11, 95% CI: 1.01–4.46, P = 0.04). Additional adjustments for BMI, alcohol consumption, smoking, pregnancy number, abortion number, breastfeeding duration, menopause age, and total calorie intake did not change the results (OR: 5.02, 95% CI: 1.43–17.58, P = 0.01).

Conclusions

Following a pro-inflammatory diet was associated with an increased risk of BC. Further longitudinal studies are warranted.
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