Effects of Urban Green Space on Cardiovascular and Respiratory Biomarkers in Chinese Adults: Panel Study Using Digital Tracking Devices.

Autor:	Yang L; School of Nursing, The Hong Kong Polytechnic University, Hong Kong, Hong Kong., Chan KL; Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong, Hong Kong., Yuen JWM; School of Nursing, The Hong Kong Polytechnic University, Hong Kong, Hong Kong., Wong FKY; School of Nursing, The Hong Kong Polytechnic University, Hong Kong, Hong Kong., Han L; School of Nursing, The Hong Kong Polytechnic University, Hong Kong, Hong Kong.; School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China., Ho HC; Department of Urban Planning and Design, The University of Hong Kong, Hong Kong, Hong Kong., Chang KKP; School of Nursing, The Hong Kong Polytechnic University, Hong Kong, Hong Kong., Ho YS; School of Nursing, The Hong Kong Polytechnic University, Hong Kong, Hong Kong., Siu JY; Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hong Kong, Hong Kong., Tian L; School of Public Health, The University of Hong Kong, Hong Kong, Hong Kong., Wong MS; Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong, Hong Kong.
Jazyk:	angličtina
Zdroj:	JMIR cardio [JMIR Cardio] 2021 Dec 30; Vol. 5 (2), pp. e31316. Date of Electronic Publication: 2021 Dec 30.
DOI:	10.2196/31316
Abstrakt:	Background: The health benefits of urban green space have been widely reported in the literature; however, the biological mechanisms remain unexplored, and a causal relationship cannot be established between green space exposure and cardiorespiratory health. Objective: Our aim was to conduct a panel study using personal tracking devices to continuously collect individual exposure data from healthy Chinese adults aged 50 to 64 years living in Hong Kong. Methods: A panel of cardiorespiratory biomarkers was tested each week for a period of 5 consecutive weeks. Data on weekly exposure to green space, air pollution, and the physical activities of individual participants were collected by personal tracking devices. The effects of green space exposure measured by the normalized difference vegetation index (NDVI) at buffer zones of 100, 250, and 500 meters on a panel of cardiorespiratory biomarkers were estimated by a generalized linear mixed-effects model, with adjustment for confounding variables of sociodemographic characteristics, exposure to air pollutants and noise, exercise, and nutrient intake. Results: A total of 39 participants (mean age 56.4 years, range 50-63 years) were recruited and followed up for 5 consecutive weeks. After adjustment for sex, income, occupation, physical activities, dietary intake, noise, and air pollution, significant negative associations with the NDVI for the 250-meter buffer zone were found in total cholesterol (-21.6% per IQR increase in NDVI, 95% CI -32.7% to -10.6%), low-density lipoprotein (-14.9%, 95% CI -23.4% to -6.4%), glucose (-11.2%, 95% CI -21.9% to -0.5%), and high-sensitivity C-reactive protein (-41.3%, 95% CI -81.7% to -0.9%). Similar effect estimates were found for the 100-meter and 250-meter buffer zones. After adjustment for multiple testing, the effect estimates of glucose and high-sensitivity C-reactive protein were no longer significant. Conclusions: The health benefits of green space can be found in some metabolic and inflammatory biomarkers. Further studies are warranted to establish the causal relationship between green space and cardiorespiratory health. (©Lin Yang, Ka Long Chan, John W M Yuen, Frances K Y Wong, Lefei Han, Hung Chak Ho, Katherine K P Chang, Yuen Shan Ho, Judy Yuen-Man Siu, Linwei Tian, Man Sing Wong. Originally published in JMIR Cardio (https://cardio.jmir.org), 30.12.2021.)
Databáze:	MEDLINE
Externí odkaz:	Zobrazit plný text záznamu