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Indoor Air Pollution and Blood Pressure in Adult Women Living in Rural China.

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Title: Indoor Air Pollution and Blood Pressure in Adult Women Living in Rural China.
Authors: Baumgartner, Jill1,2,3 jbaumgartner@umn.edu, Schauer, James J.3,4, Ezzati, Majid5, Lu, Lin6, Patz, Jonathan A.5,6,7, Bautista, Leonelo E.6
Source: Environmental Health Perspectives. Oct2011, Vol. 119 Issue 10, p1390-1395. 6p. 2 Charts.
Subject Terms: *Indoor air pollution, *Environmental exposure, *Particulate matter, Age distribution, Analysis of variance, Blood pressure, Cardiovascular diseases, Confidence intervals, Regression analysis, Research funding, Rural conditions, Women's health, Cross-sectional method, Data analysis software
Geographic Terms: China
Abstract: Background: Almost half of the world's population uses coal and biomass fuels for domestic energy. Limited evidence suggests that exposure to air pollutants from indoor biomass combustion may be associated with elevated blood pressure (BP). Objective: Our aim was to assess the relationship between air pollution exposure from indoor biomass combustion and BP in women in rural China. Methods: We measured 24hr personal integrated gravimetric exposure to fine particles < 2.5 µm in aerodynamic diameter (PM2.5) and systolic BP (SBP) and diastolic BP (DBP) in the winter and summer among 280 women ≥ 25 years of age living in rural households using biomass fuels in Yunnan, China. We investigated the association between PM2.5 exposure and SBP and DBP using mixed-effects models with random intercepts to account for correlation among repeated measures. Results: Personal average 24hr exposure to PM2.5 ranged from 22 to 634 µg/m3 in winter and from 9 to 492 µg/m3 in summer. A 1-log-µg/m3 increase in PM2.5 exposure was associated with 2.2 mm Hg higher SBP [95% confidence interval (CI), 0.8 to 3.7; p = 0.003] and 0.5 mm Hg higher DBP (95% CI, -0.4 to 1.3; p = 0.31) among all women; estimated effects varied by age group. Among women > 50 years of age, a 1-log-µg/m3 increase in PM2.5 exposure was associated with 4.1 mm Hg higher SBP (95% CI, 1.5 to 6.6; p = 0.002) and 1.8 mm Hg higher DBP (95% CI, 0.4 to 3.2; p = 0.01). PM2.5 exposure was positively associated with SBP among younger women, but the association was not statistically significant. Conclusion: PM2.5 exposure from biomass combustion may be a risk factor for elevated BP and hence for cardiovascular events. Our findings should be corroborated in longitudinal studies. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Health Perspectives is the property of National Institute of Environmental Health Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Indoor Air Pollution and Blood Pressure in Adult Women Living in Rural China.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Baumgartner%2C+Jill%22&quot;&gt;Baumgartner, Jill&lt;/searchLink&gt;&lt;relatesTo&gt;1,2,3&lt;/relatesTo&gt;&lt;i&gt; jbaumgartner@umn.edu&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Schauer%2C+James+J%2E%22&quot;&gt;Schauer, James J.&lt;/searchLink&gt;&lt;relatesTo&gt;3,4&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Ezzati%2C+Majid%22&quot;&gt;Ezzati, Majid&lt;/searchLink&gt;&lt;relatesTo&gt;5&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Lu%2C+Lin%22&quot;&gt;Lu, Lin&lt;/searchLink&gt;&lt;relatesTo&gt;6&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Patz%2C+Jonathan+A%2E%22&quot;&gt;Patz, Jonathan A.&lt;/searchLink&gt;&lt;relatesTo&gt;5,6,7&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Bautista%2C+Leonelo+E%2E%22&quot;&gt;Bautista, Leonelo E.&lt;/searchLink&gt;&lt;relatesTo&gt;6&lt;/relatesTo&gt;
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Environmental+Health+Perspectives%22&quot;&gt;Environmental Health Perspectives&lt;/searchLink&gt;. Oct2011, Vol. 119 Issue 10, p1390-1395. 6p. 2 Charts.
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  Data: Background: Almost half of the world&#39;s population uses coal and biomass fuels for domestic energy. Limited evidence suggests that exposure to air pollutants from indoor biomass combustion may be associated with elevated blood pressure (BP). Objective: Our aim was to assess the relationship between air pollution exposure from indoor biomass combustion and BP in women in rural China. Methods: We measured 24hr personal integrated gravimetric exposure to fine particles &lt; 2.5 &#181;m in aerodynamic diameter (PM2.5) and systolic BP (SBP) and diastolic BP (DBP) in the winter and summer among 280 women ≥ 25 years of age living in rural households using biomass fuels in Yunnan, China. We investigated the association between PM2.5 exposure and SBP and DBP using mixed-effects models with random intercepts to account for correlation among repeated measures. Results: Personal average 24hr exposure to PM2.5 ranged from 22 to 634 &#181;g/m3 in winter and from 9 to 492 &#181;g/m3 in summer. A 1-log-&#181;g/m3 increase in PM2.5 exposure was associated with 2.2 mm Hg higher SBP [95% confidence interval (CI), 0.8 to 3.7; p = 0.003] and 0.5 mm Hg higher DBP (95% CI, -0.4 to 1.3; p = 0.31) among all women; estimated effects varied by age group. Among women &gt; 50 years of age, a 1-log-&#181;g/m3 increase in PM2.5 exposure was associated with 4.1 mm Hg higher SBP (95% CI, 1.5 to 6.6; p = 0.002) and 1.8 mm Hg higher DBP (95% CI, 0.4 to 3.2; p = 0.01). PM2.5 exposure was positively associated with SBP among younger women, but the association was not statistically significant. Conclusion: PM2.5 exposure from biomass combustion may be a risk factor for elevated BP and hence for cardiovascular events. Our findings should be corroborated in longitudinal studies. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Environmental Health Perspectives is the property of National Institute of Environmental Health Sciences and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1289/ehp.1003371
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 6
        StartPage: 1390
    Subjects:
      – SubjectFull: Indoor air pollution
        Type: general
      – SubjectFull: Environmental exposure
        Type: general
      – SubjectFull: Particulate matter
        Type: general
      – SubjectFull: Age distribution
        Type: general
      – SubjectFull: Analysis of variance
        Type: general
      – SubjectFull: Blood pressure
        Type: general
      – SubjectFull: Cardiovascular diseases
        Type: general
      – SubjectFull: Confidence intervals
        Type: general
      – SubjectFull: Regression analysis
        Type: general
      – SubjectFull: Research funding
        Type: general
      – SubjectFull: Rural conditions
        Type: general
      – SubjectFull: Women's health
        Type: general
      – SubjectFull: Cross-sectional method
        Type: general
      – SubjectFull: Data analysis software
        Type: general
      – SubjectFull: China
        Type: general
    Titles:
      – TitleFull: Indoor Air Pollution and Blood Pressure in Adult Women Living in Rural China.
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              M: 10
              Text: Oct2011
              Type: published
              Y: 2011
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