Adherence to Healthy Lifestyle and Cardiovascular Diseases in the Chinese Population

China Kadoorie Biobank (CKB) collaborative group

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Abstract

BACKGROUND: Adherence to a combination of healthy lifestyle factors has been related to a considerable reduction of cardiovascular risk in white populations; however, little is known whether such associations persist in nonwhite populations like the Asian population.

OBJECTIVES: This study aimed to examine the associations of a combination of modifiable, healthy lifestyle factors with the risks of ischemic cardiovascular diseases and estimate the proportion of diseases that could potentially be prevented by adherence to these healthy lifestyle patterns.

METHODS: This study examined the associations of 6 lifestyle factors with ischemic heart disease and ischemic stroke (IS) in the China Kadoorie Biobank of 461,211 participants 30 to 79 years of age who did not have cardiovascular diseases, cancer, or diabetes at baseline. Low-risk lifestyle factors were defined as nonsmoking status or having stopped smoking for reasons other than illness, alcohol consumption of <30 g/day, a median or higher level of physical activity, a diet rich in vegetables and fruits and limited in red meat, a body mass index of 18.5 to 23.9 kg/m2, and a waist-to-hip ratio <0.90 for men and <0.85 for women.

RESULTS: During a median of 7.2 years (3.3 million person-years) of follow-up, this study documented 3,331 incident major coronary events (MCE) and 19,348 incident ISs. In multivariable-adjusted analyses, current nonsmoking status, light to moderate alcohol consumption, high physical activity, a diet rich in vegetables and fruits and limited in red meat, and low adiposity were independently associated with reduced risks of MCE and IS. Compared with participants without any low-risk factors, the hazard ratio for participants with ≥4 low-risk factors was 0.42 (95% confidence interval: 0.34 to 0.52) for MCE and 0.61 (95% confidence interval: 0.56 to 0.66) for IS. Approximately 67.9% (95% confidence interval: 46.5% to 81.9%) of the MCE and 39.1% (95% confidence interval: 26.4% to 50.4%) of the IS cases were attributable to poor adherence to healthy lifestyle.

CONCLUSIONS: Adherence to healthy lifestyle may substantially lower the burden of cardiovascular diseases in Chinese.

Original languageEnglish
Pages (from-to)1116-1125
Number of pages10
JournalJournal of the American College of Cardiology
Volume69
Issue number9
Early online date27 Feb 2017
DOIs
Publication statusPublished - 7 Mar 2017
Externally publishedYes

Bibliographical note

Copyright © 2017 The Authors. Published by Elsevier Inc. All rights reserved. This is a open access article under the CC BY-NC-ND license.

Keywords

  • Adult
  • Aged
  • Asian Continental Ancestry Group/psychology
  • Cardiovascular Diseases/ethnology
  • China
  • Cohort Studies
  • Female
  • Health Behavior
  • Healthy Lifestyle
  • Humans
  • Male
  • Middle Aged
  • Patient Compliance

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