AI Article Synopsis
- - The study examines the link between green spaces and blood lipid levels in rural Uyghur adults in northwestern China, focusing on how living in greener areas can influence cholesterol levels.
- - Researchers found that increased greenness correlated with lower triglycerides and higher HDL cholesterol, and those living in greener areas had a lower risk of certain cholesterol-related conditions.
- - The positive effects of greenery on cholesterol levels were particularly notable in women and individuals with higher education, suggesting that environmental factors may play a significant role in managing dyslipidemia.
Article Abstract
Background: Dyslipidemia is a major risk factor for cardiovascular disease. Several studies have explored the associations of greenness with blood lipids. However, the evidence is still limited and mixed, especially in rural areas.
Methods: From May to September 2016, we recruited 4735 Uyghur adults from rural areas of northwestern China. We measured levels of total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C). Two satellite-derived vegetation indices - Normalized Difference Vegetation Index (NDVI) and Soil Adjusted Vegetation Index (SAVI) - were used to estimate residential greenness levels. The associations between exposure to residential greenness and blood lipids levels and dyslipidemia prevalence were examined using the Generalized Linear Mixed Models.
Results: Living in greener areas was associated with lower TG levels, higher HDL-C levels, and lower odds of hypoalphalipoproteinemia (e.g., per 0.20-unit increase in NDVI was associated with 0.02 mmol/L (95% CI: 0.001, 0.03) higher levels of HDL-C and 0.87-fold (95% CI: 0.77, 0.98) lower odds of hypoalphalipoproteinemia). These associations remained in a series of sensitivity analyses. Stratified analyses showed that the associations of NDVI with LDL-C and HDL-C levels were stronger in women and in participants with higher education level.
Conclusions: Higher greenness exposure was beneficially associated with blood lipids among rural Uyghur population in China, especially among women or those with higher education level.
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| http://dx.doi.org/10.1016/j.envint.2020.105903 | DOI Listing |
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