室内环境与高龄者血压的关联性——以大连市供暖季为例

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Abstract

This study investigated the association between elder dwellers' blood pressure and indoor environment conditions including dwellings' thermal and humid environment (temperature, relative humidity), chemical pollution (CO₂, CO, formaldehyde and TVOC), physical pollution (PM_2.5) and biological pollution (adherent fungi) during a heating season in Dalian, China. The results showed that the heating type was the main factor causing the difference of indoor thermal comfort between urban and rural dwellings. In rural Dalian, the large temperature step-changes between outdoor and indoor in toilets made the risk of cardiovascular disease higher for elder dwellers' than that for urban elder dwellers. The mean blood pressure of urban elderly was lower than that of rural areas with smaller variation. There was a significant correlation between indoor temperature and humidity in urban dwellings and elder dwellers' blood pressure (P<0.01). The influence of indoor temperature and humidity on blood pressure in rural area was less obvious than that in urban area. In addition, no significant correlation was found between indoor air quality parameters and blood pressure.

Key words： Dalian heating season indoor environment elderly cardiovascular disease

Received: 29 October 2018

PACS:

X503.1

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2019/V39/I5/2190

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