Dietary Pattern and Long-Term Effects of Particulate Matter on Blood Pressure: A Large Cross-Sectional Study in Chinese Adults
HYPERTENSION(2021)
摘要
Previous experimental studies have identified specific foods or nutrients are capable of mitigating adverse effects induced by air pollution. However, whether the dietary pattern can modify the associations between long-term particulate matter (PM) and increasing blood pressure (BP) among adults has not yet been assessed. We assessed whether the dietary pattern and various foods modify the associations between long-term exposure to PM (PM1, PM2.5, and PM10), hypertensive BP (BP=140/90 mm Hg, HBP), and BP in Chinese adults. This study included 61 081 participants from China Multi-Ethnic Cohort. PM was assessed through satellite-based random forest approaches. Outcomes were analyzed with logistic regression models and linear regression models. The dietary approaches to stop hypertension (DASH) diet was calculated for each participant. This study founds long-term exposure to PM was associated with HBP, systolic BP, and pulse pressure. The DASH diet modified the associations between PM, HBP, and some BP components. For each 10 mu g/m(3) increase in PM1, PM2.5, and PM10, the participants with the lowest quintile of DASH score had HBP risks with odds ratios (95% CI) of 1.196 (1.084-1.319), 1.145 (1.09-1.202), and 1.080 (1.045-1.117), whereas those with the highest quintile of DASH score had lower HBP risks with odds ratios (95% CI) of 1.063 (0.953-1.185), 1.074 (1.017-1.133), and 1.038 (1.000-1.077). Consuming more fresh fruits, vegetables, dairy, and whole grains would reduce the risk of raised BP caused by PM. In conclusion, the DASH diet rich in antioxidant compounds may be a wide-reaching intervention to reduce the deleterious impact of PM.
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关键词
air pollution,blood pressure,dietary approaches to stop hypertension,nutrients,particulate matter
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