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Poster display session

2000 - Significant changes in dietary intake and physical activity after breast cancer diagnosis in a Chinese breast cancer cohort study


11 Sep 2017


Poster display session


Cancer Prevention;  Breast Cancer


Yuanyuan Lei


Annals of Oncology (2017) 28 (suppl_5): v43-v67. 10.1093/annonc/mdx362


Y. Lei1, W. Yeo1, S.C. Ho2, C.I. Lee1, K.L. Cheung1, R. Lee1, Y. He1

Author affiliations

  • 1 Department Of Clinical Oncology, The Chinese University of Hong Kong, 00000 - Hong Kong/HK
  • 2 Division Of Epidemiology, The Jockey Club School Of Public Health And Primary Care, The Chinese University of Hong Kong, 00000 - Hong Kong/HK


Abstract 2000


The diagnosis of cancer can motivate survivors to modify lifestyles, typically involving diet and physical activity. Few data have reported pre- and post-diagnostic lifestyle habits in Chinese population.


In an on-going prospective cohort study which involved 1462 Chinese women with early-stage breast cancer, we evaluated dietary intake and lifestyle factors pre- and post- breast cancer diagnosis. Validated food frequency questionnaires were used to evaluate dietary intake. Leisure time physical activity was measured by a modified Chinese Baecke questionnaire. This report compared changes of dietary intake and physical activity between 12 months before and 18 months after diagnosis of breast cancer.


Intake of whole grains, refined grains, fruits, vegetables, eggs, and nuts increased significantly post-diagnosis (Range, 54%-72% increase; P 


In this cohort study, Chinese breast cancer patients reported significant changes in dietary intake and increased physical activity level and a higher proportion met the WCRF/AICR Cancer Prevention recommendations after cancer diagnosis. These findings provided crucial information on lifestyle behaviors in Chinese breast cancer survivors, and provided information to healthcare professionals on survivors’ health and quality of life.

Clinical trial identification

Legal entity responsible for the study

The Chinese University of Hong Kong


World Cancer Research Fund International (Grant Number WCRF 2010/249 and WCRF 2014/1197).


All authors have declared no conflicts of interest.

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