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Eur J Cancer Prev. 2021 Nov 01;30(6):448-456. doi: 10.1097/CEJ.0000000000000705.

Index-based dietary patterns and stomach cancer in a Chinese population.

European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP)

Yuhui Zhu, Somee Jeong, Ming Wu, Jin-Yi Zhou, Zi-Yi Jin, Ren-Qiang Han, Jie Yang, Xiao-Feng Zhang, Xu-Shan Wang, Ai-Ming Liu, Xiao-Ping Gu, Ming Su, Xu Hu, Zheng Sun, Gang Li, Su Yon Jung, Liming Li, Lina Mu, Qing-Yi Lu, Carlo La Vecchia, Jin-Kou Zhao, Zuo-Feng Zhang

Affiliations

  1. Department of Epidemiology, Fielding School of Public Health, University of California at Los Angeles (UCLA), Los Angeles, California, USA.
  2. Department of Non-communicable Chronic Disease Control, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province.
  3. Department of Epidemiology, School of Public Health, Fudan University, Shanghai.
  4. Ganyu County Center for Disease Control and Prevention, Ganyu.
  5. Dafeng County Center for Disease Control and Prevention, Dafeng.
  6. Chuzhou County Center for Disease Control and Prevention, Chuzhou.
  7. Tongshan County Center for Disease Control and Prevention, Tongshan, Jiangsu Province, China.
  8. Jonsson Comprehensive Cancer Center, UCLA.
  9. School of Nursing, UCLA, Los Angeles, California, USA.
  10. Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing, China.
  11. Department of Social and Preventive Medicine, State University of New York at Buffalo, Buffalo, New York.
  12. Center for Human Nutrition, Department of Medicine, UCLA David Geffen School of Medicine, University of California at Los Angeles (UCLA), Los Angeles, California, USA.
  13. Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.

PMID: 34292200 PMCID: PMC8487935 DOI: 10.1097/CEJ.0000000000000705

Abstract

OBJECTIVES: Dietary factors are of importance in the development of stomach cancer. This study aims to examine index-based dietary patterns associated with stomach cancer in a Chinese population.

METHODS: Using data from a population-based case-control study conducted in Jiangsu Province, China, we included a total of 8432 participants (1900 stomach cancer cases and 6532 controls). Dietary data collected by food frequency questionnaire was evaluated by modified Chinese Healthy Eating Index-2016 (mCHEI-2016) and the US Healthy Eating Index-2015 (HEI-2015). Multiple logistic regression analyses were applied to examine the association of mCHEI-2016 and HEI-2015 with stomach cancer while adjusting for potential confounders. The possible interactions between mCHEI-2016 or HEI-2015 and established risk factors were explored.

RESULTS: Among nonproxy interviews, after adjusting for potential confounding factors, a higher score of sodium, reflecting lower intake per day, was inversely associated with stomach cancer [odds ratio (OR), 0.95; 95% CI, 0.91-0.99 for mCHEI-2016; OR, 0.97; 95% CI, 0.94-0.99 for HEI-2015]. No clear associations with stomach cancer were identified for total scores of HEI-2015 (OR, 0.98; 95% CI, 0.87-1.10 with a 10-point increase, P trend = 0.98) and mCHEI-2016 (OR, 1.05; 95% CI, 0.94-1.17 with a 10-point increase, P trend = 0.22). However, the relation between stomach cancer and the mCHEI-2016 was modified by BMI, with a possible inverse association in normal-weight subjects.

CONCLUSIONS: Our findings highlight that reduced intake of dietary sodium would prevent the development of stomach cancer. The data indicate a heterogeneity between normal weight and overweight's dietary factors in relation to stomach cancer.

Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.

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