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Public health
Original research
Long-term trends and regional variations of hypertension incidence in China: a prospective cohort study from the China Health and Nutrition Survey, 1991–2015
  1. Yunmei Luo1,2,
  2. Fan Xia3,
  3. Xuexin Yu4,
  4. Peiyi Li1,
  5. Wenzhi Huang5,
  6. Wei Zhang4
  1. 1Institute of Hospital Management, West China Hospital, Sichuan University, Chengdu, Sichuan, China
  2. 2West China Medical Publishers, West China Hospital, Sichuan University, Chngdu, Sichuan, China
  3. 3Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
  4. 4West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
  5. 5Department of Infection Control, West China Hospital, Sichuan University, Chengdu, Sichuan, China
  1. Correspondence to Professor Wei Zhang; weizhanghx{at}163.com

Abstract

Objective The aim is to explore the trends of hypertension incidence and regional variations in China from 1991 to 2015.

Design A dynamic prospective cohort study.

Setting China Health and Nutrition Survey 1991–2015.

Participants 12 952 Chinese adults aged 18+ years.

Primary outcome measures Incident hypertension from 1993 to 2015.

Results Age-standardised hypertension incidence increased from 40.8 per 1000 person-years (95% CI 38.3 to 43.4) between 1993 and 1997 to 48.6 (95% CI 46.1 to 51.0) between 2011 and 2015. The increasing trends were further supported by results from subsequent extended Cox proportional hazard model. In addition, results from the modelling analysis showed that individuals in eastern, central and northeastern China had greater risks of hypertension occurrence in comparison with their counterparts in western China.

Conclusion Hypertension incidence increased during the study period. The growth called for more attention on the health education and health promotion of individuals with great risks.

  • hypertension
  • epidemiology
  • public health

Data availability statement

Data are available in a public, open access repository. Data are available from China Health and Nutrition Survey (https://www.cpc.unc.edu/projects/china/data/).

http://creativecommons.org/licenses/by-nc/4.0/

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

https://doi.org/10.1136/bmjopen-2020-042053

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    Data availability statement

    Data are available in a public, open access repository. Data are available from China Health and Nutrition Survey (https://www.cpc.unc.edu/projects/china/data/).

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    Footnotes

    • Correction notice This article has been corrected since it first published. The provenance and peer review statement has been included.

    • Contributors WZ designed this study and revised the manuscript. YL, FX and XY performed data clean, statistical analysis and wrote the first draft of the manuscript, which PL and WH subsequently revised. All authors read the article and approve it for publication.

    • Funding This study was supported by China’s National Development and Reform Commission Grant (No. 2018GFGW001) to WZ.

    • Competing interests None declared.

    • Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting or dissemination plans of this research.

    • Provenance and peer review Not commissioned; externally peer reviewed.