ABSTRACT
Background
Several studies have investigated the relationship of greenspace with blood pressure (BP) and hypertension, but the results were inconsistent. We aimed to assess the relationship of greenspace with BP/hypertension.
Methods
We searched PubMed, Embase and Web of Science on greenspace and BP/hypertension published before 5 April 2023. The methodological quality and risk of bias were evaluated.
Results
Twenty-seven articles were included. Our results suggested that higher normalized difference vegetation index (NDVI) was associated with lower odds of hypertension and levels of SBP [for every 10% increase of NDVI 500-m and NDVI 1000-m, the ORs were 0.95 (95% CI: 0.90–0.99) and 0.95 (95% CI: 0.90–0.99), the ꞵwas -1.32 (95% CI: -2.18, -0.45) and -1.41 (95% CI: -2.57, -0.25), respectively].
Conclusion
This study indicated that higher exposure to greenspace might be associated with lower levels of BP and risk of hypertension. Increase green spaces should be regarded as an important public health intervention..
Author contributions
ZLY and YWG: Conceptualization, Methodology, Validation. YJB, XYZ, and SXS: Formal analysis, Visualization, Writing – Original Draft. HXS and XYZ: Investigation, Data Curation. YJB and XYZ: Resources, Data Curation. YJB and HXS: Writing- Reviewing and Editing.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Data availability statement
Data are available on request. We permit the sharing of data from this research article. All data published in this article are available on written request to authors.
Ethics statement
Given this is a systematic review of available global evidence, patients who participated in the studies presented were not involved in the review process.
Supplementary material
Supplemental data for this article can be accessed online at https://doi.org/10.1080/09603123.2023.2259817.