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Air Pollution Exposure and Cognitive Function in Taiwanese Older Adults: A Repeated Measurement Study

Author

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  • Yuan-Ting C. Lo

    (School of Public Health, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City 11490, Taiwan)

  • Ya-Chi Lu

    (School of Public Health, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City 11490, Taiwan)

  • Yu-Hung Chang

    (Department of Public Health, China Medical University, Taichung, No.91 Hsueh-Shih Road, Taichung 40402, Taiwan)

  • Senyeong Kao

    (School of Public Health, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City 11490, Taiwan)

  • Han-Bin Huang

    (School of Public Health, National Defense Medical Center, No.161, Sec. 6, Minquan E. Rd., Neihu Dist., Taipei City 11490, Taiwan)

Abstract

Studies related to air pollution exposure and neurocognitive disorders, specifically cognitive impairment, among older adults are limited. We investigated the association between short-term and long-term exposure to ambient air pollution (i.e., particulate matter with an aerodynamic diameter of <10 μm and ozone) and the effects of their interaction on cognitive function in a community-dwelling, free-living elderly population. Study participants were in a multiple-wave representative sample, namely the Taiwan Longitudinal Study on Aging (n = 2241). In four surveys between 1996 and 2007, their cognitive function was assessed using the Short Portable Mental Status Questionnaire (SPMSQ). We estimated air pollution from 1993 to 2007, including daily concentrations of PM 10 and O 3 from air quality monitoring stations, based on the administrative zone of each participant’s residence. Generalized linear mixed models were used to examine these associations after adjusting for covariates. We found that long-term exposure to PM 10 and O 3 was significantly associated with cognitive impairment (OR = 1.094, 95% CI: 1.020, 1.174 for PM 10 ; OR = 1.878, 95% CI: 1.363, 2.560 for O 3 ). The joint effect of exposure to PM 10 and O 3 was associated with cognitive impairment ( p < 0.001). Co-exposure to ambient PM 10 and O 3 may deteriorate cognitive function in older adults.

Suggested Citation

  • Yuan-Ting C. Lo & Ya-Chi Lu & Yu-Hung Chang & Senyeong Kao & Han-Bin Huang, 2019. "Air Pollution Exposure and Cognitive Function in Taiwanese Older Adults: A Repeated Measurement Study," IJERPH, MDPI, vol. 16(16), pages 1-12, August.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:16:p:2976-:d:258833
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    Citations

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    Cited by:

    1. Edgardo Molina-Sotomayor & Humberto Castillo-Quezada & Cristian Martínez-Salazar & Marcelo González-Orb & Alexis Espinoza-Salinas & Jose Antonio Gonzalez-Jurado, 2020. "Effects of Progressive Resistance Training on Cognition and IGF-1 Levels in Elder Women Who Live in Areas with High Air Pollution," IJERPH, MDPI, vol. 17(17), pages 1-17, August.
    2. Meng-Chieh Chen & Chen-Feng Wang & Bo-Cheng Lai & Sun-Wung Hsieh & Szu-Chia Chen & Chih-Hsing Hung & Chao-Hung Kuo, 2021. "Air Pollution Is Associated with Poor Cognitive Function in Taiwanese Adults," IJERPH, MDPI, vol. 18(1), pages 1-12, January.
    3. Yuxiao Gao & Youhua Wang & Tao Rao, 2022. "The Effect of the Dwelling Environment on Rural Elderly Cognition: Empirical Evidence from China," Sustainability, MDPI, vol. 14(24), pages 1-14, December.
    4. Mina Chandra & Chandra Bhushan Rai & Neelam Kumari & Vipindeep Kaur Sandhu & Kalpana Chandra & Murali Krishna & Sri Harsha Kota & Kuljeet Singh Anand & Anna Oudin, 2022. "Air Pollution and Cognitive Impairment across the Life Course in Humans: A Systematic Review with Specific Focus on Income Level of Study Area," IJERPH, MDPI, vol. 19(3), pages 1-39, January.

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