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Household air pollution from solid fuel use as a dose-dependent risk factor for cognitive impairment in northern China.


ABSTRACT: The relationship between exposure to household air pollution (HAP) from solid fuel use and cognition remains poorly understood. Among 401 older adults in peri-urban northern China enrolled in the INTERMAP-China Prospective Study, we estimated the associations between exposure to HAP and z-standardized domain-specific and overall cognitive scores from the Montreal Cognitive Assessment. Interquartile range increases in exposures to fine particulate matter (53.2-µg/m3) and black carbon (0.9-µg/m3) were linearly associated with lower overall cognition [- 0.13 (95% confidence interval: - 0.22, - 0.04) and - 0.10 (- 0.19, - 0.01), respectively]. Using solid fuel indoors and greater intensity of its use were also associated with lower overall cognition (range of point estimates: - 0.13 to - 0.03), though confidence intervals included zero. Among individual cognitive domains, attention had the largest associations with most exposure measures. Our findings indicate that exposure to HAP may be a dose-dependent risk factor for cognitive impairment. As exposure to HAP remains pervasive in China and worldwide, reducing exposure through the promotion of less-polluting stoves and fuels may be a population-wide intervention strategy to lessen the burden of cognitive impairment.

SUBMITTER: Tseng TJ 

PROVIDER: S-EPMC9008006 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature

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Household air pollution from solid fuel use as a dose-dependent risk factor for cognitive impairment in northern China.

Tseng Tzu-Wei Joy TJ   Carter Ellison E   Yan Li L   Chan Queenie Q   Elliott Paul P   Ezzati Majid M   Kelly Frank F   Schauer James J JJ   Wu Yangfeng Y   Yang Xudong X   Zhao Liancheng L   Baumgartner Jill J  

Scientific reports 20220413 1


The relationship between exposure to household air pollution (HAP) from solid fuel use and cognition remains poorly understood. Among 401 older adults in peri-urban northern China enrolled in the INTERMAP-China Prospective Study, we estimated the associations between exposure to HAP and z-standardized domain-specific and overall cognitive scores from the Montreal Cognitive Assessment. Interquartile range increases in exposures to fine particulate matter (53.2-µg/m<sup>3</sup>) and black carbon (  ...[more]

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