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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (3): 826-831    DOI: 10.7522/j.issn.1000-694X.2013.00118
Weather and Climate     
Effects of Dust Pollution on Respiratory System of Long-term Exposed Population
WANG Jin-yu1,2, LI Sheng3, WANG Shi-gong4,5,6, SHANG Ke-zheng4,5,6
1.College of Earth and Environmental Science, Lanzhou University, Lanzhou 730000, China;
2.School of Basic Medical Sciences , Lanzhou University, Lanzhou 730000, China;
3.Lanzhou Center of Disease Prevention and Control, Lanzhou 730030, China;
4.College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, China;
5.Center for Meteorology Environment and Public Health, Lanzhou University, Lanzhou 730000, China;
6.Gansu Key Laboratory of Arid Climate Change and Reducing Disaster, Lanzhou University, Lanzhou 730000, China
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Abstract  

Dust pollution is one primary problem of regional environmental pollution, which has a strong impact on human health. In order to comprehend the effects of dust pollution on respiratory system of population in long-term exposure, Minqin County of Gansu Province was selected as an investigation point, where was one of the most frequent areas of dust storms and floating dust. Meanwhile, PingLiang City in Gansu Province was selected as a control point, where there was rarely dust event. An investigation among 728 farmers aged 40 years old or older was conducted by questionnaires, who lived for a long time at the investigation points and had no documented occupational history to dust exposure. The prevalence of rhinitis and chronic bronchitis of respondents in Minqin County were 2.8 and 2.3 times of those in PingLiang City respectively (p<0.01), and there were no significant statistical differences in the prevalence of other diseases between the two regions (p>0.05). The prevalences of rhinitis and chronic bronchitis of non-smoking farmers in Minqin County were 2.6 and 2.3 times of those in PingLiang City respectively (p<0.05). The prevalence of rhinitis in male respondents in Minqin County were 3.7 times of those in PingLiang City respectively (p<0.01), while the prevalence of rhinitis and chronic bronchitis of female farmers in Minqin County were 2.5 and 2.2 times of those in PingLiang City respectively (p<0.01). The prevalence of rhinitis and chronic bronchitis of farmers among all age groups in Minqin County were higher than those in PingLiang City. The prevalence of rhinitis and chronic bronchitis of respondents aged 40-50 years old in Minqin County were 2.9 and 2.8 times of those in PingLiang City respectively (p<0.05, p<0.01 respectively). There were no significant regional differences in the averaged age of onset in rhinitis and chronic bronchitis of respondents for averaged ages of respondents (p>0.05), however, the averaged age of onset in chronic bronchitis of respondents in Minqin County was younger than that in PingLiang City. It suggested that long-term dust pollution had great impact on respiratory health of exposed populations aged 40-50 years old. There was no gender difference for the impact. In addition, the results also showed that the averaged age of onset in chronic bronchitis changed more youthful with time in Minqin County.

Key words:  dust pollution      exposed population      respiratory system      effects     
Received:  16 September 2012      Published:  07 November 2012
ZTFLH:  X513  

Cite this article: 

WANG Jin-yu1,2, LI Sheng3, WANG Shi-gong4,5,6, SHANG Ke-zheng4,5,6. Effects of Dust Pollution on Respiratory System of Long-term Exposed Population. JOURNAL OF DESERT RESEARCH, 2013, 33(3): 826-831.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00118     OR     http://www.desert.ac.cn/EN/Y2013/V33/I3/826

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