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Quality of Life Research

, Volume 25, Issue 2, pp 363–371 | Cite as

Baseline overall health-related quality of life predicts the 10-year incidence of cardiovascular events in a Chinese population

  • Gaoqiang Xie
  • Henyun Zou
  • Phyo Kyaw Myint
  • Ping Shi
  • Fuxiu Ren
  • Wei Gao
  • Yangfeng Wu
Article

Abstract

Objective

To determine the relationship between baseline overall HRQOL as well as domain-specific HRQOL and incident cardiovascular (CV) events over 10 years of follow-up in a Chinese general population.

Methods

We examined the above link using data from a prospective cohort study, conducted between 2002 and 2012 in 11 villages of Beijing. HRQOL was assessed using Chinese 35-item quality of life instrument, and CV risk factors were recorded in either 2002 or 2005. Subjects were followed through the end of the study period, or until they were censored due to an incident CV event [including myocardial infarction (MI) and stroke] or loss to follow-up.

Results

A total of 1739 participants were eligible to be included in the current study [female 64.2 %, age 57.7 (8.4) years]. There were a total of 190 CV events during the follow-up (14,364 total person-years). Participants in the bottom 20 % had 85 % increase in risk of CV event [hazard ratio (HR) 1.85; 95 % CI 1.14–3.02] compared to those in top 20 % of overall HRQOL, after adjusting for sex, age, education, marital status, smoking, alcohol consumption, being physically active, hypertension, diabetes, high cholesterol, and obesity. Among the six HRQOL domains, the independence domain had the largest effect size (fully adjusted HR 2.91; 95 % CI 1.67–5.07), followed by physical domain (HR 1.66; 95 % CI 1.03–2.67). Other domains did not predict the incidence CV events in this cohort.

Conclusions

While overall lower HRQOL predicts subsequent risk of stroke and MI events, this appeared to be driven mainly by the independence domain.

Keywords

Health-related quality of life Cardiovascular incidence Prospective cohort study Stroke Myocardial infarction 

Notes

Acknowledgments

We thank all scientists from USA and China for their hard work to establish the study cohort and a series of international standardized methods. We also thank all study participants.

Compliance with ethical standards

Funding

This study was supported by grants from the People’s Republic of China National 10th Five-Year Plan Science and Technology Key Projects (Grant No. 2001BA703B01), the National Natural Science Foundation of China (Grant Nos. 30471494 and 30872168).

Conflict of interest

None.

Patient consent

Obtained.

Ethics approval

The Peking University Health Science Center Ethics Committee approved the examination and follow-up in 2007 and 2012 and the Cardiovascular Institute and Fuwai Hospital Ethics Committee approved other studies in 2002, 2005, and 2010.

Supplementary material

11136_2015_1066_MOESM1_ESM.docx (32 kb)
Supplementary material 1 (DOCX 31 kb)

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Peking University Clinical Research InstituteBeijingPeople’s Republic of China
  2. 2.Epidemiology Group, Institute of Applied Health Sciences, School of Medicine and DentistryUniversity of AberdeenAberdeenScotland, UK
  3. 3.Norwich Research Park Cardiovascular Research Group, Norwich Medical SchoolUniversity of East AngliaNorwichUK
  4. 4.Clinical Gerontology Unit, Department of Public Health and Primary CareUniversity of CambridgeCambridgeUK
  5. 5.Stroke Research GroupNorfolk and Norwich University HospitalNorwichUK
  6. 6.Shijingshan Center for Disease Control and PreventionBeijingPeople’s Republic of China
  7. 7.Department of CardiologyPeking University Third HospitalBeijingPeople’s Republic of China
  8. 8.Key Laboratory of Molecular Cardiovascular SciencesMinistry of EducationBeijingPeople’s Republic of China
  9. 9.Department of Epidemiology and BiostatisticsPeking University School of Public HealthBeijingPeople’s Republic of China

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