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Heatwave-Related Mortality Risk and the Risk-Based Definition of Heat Wave in South Korea: A Nationwide Time-Series Study for 2011–2017

Author

Listed:
  • Cinoo Kang

    (Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea
    Cinoo Kang and Chaerin Park contributed equally to this research as co-first authors.)

  • Chaerin Park

    (Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea
    Cinoo Kang and Chaerin Park contributed equally to this research as co-first authors.)

  • Whanhee Lee

    (Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea)

  • Nazife Pehlivan

    (Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea)

  • Munjeong Choi

    (Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea)

  • Jeongju Jang

    (Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea)

  • Ho Kim

    (Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea
    Institute of Health and Environment, Seoul National University, Seoul 08826, Korea)

Abstract

Studies on the pattern of heatwave mortality using nationwide data that include rural areas are limited. This study aimed to assess the risk of heatwave-related mortality and evaluate the health risk-based definition of heatwave. We collected data on daily temperature and mortality from 229 districts in South Korea in 2011–2017. District-specific heatwave-related mortality risks were calculated using a distributed lag model. The estimates were pooled in the total areas and for each urban and rural area using meta-regression. In the total areas, the threshold point of heatwave mortality risk was estimated at the 93rd percentile of temperature, and it was lower in urban areas than in rural areas (92nd percentile vs. 95th percentile). The maximum risk of heatwave-related mortality in the total area was 1.11 (95% CI: 1.01–1.22), and it was slightly greater in rural areas than in the urban areas (RR: 1.23, 95% CI: 0.99–1.53 vs. RR: 1.10, 95% CI: 1.01–1.20). The results differ by age- and cause-specific deaths. In conclusion, the patterns of heatwave-related mortality risk vary by area and sub-population in Korea. Thus, more target-specific heatwave definitions and action plans should be established according to different areas and populations.

Suggested Citation

  • Cinoo Kang & Chaerin Park & Whanhee Lee & Nazife Pehlivan & Munjeong Choi & Jeongju Jang & Ho Kim, 2020. "Heatwave-Related Mortality Risk and the Risk-Based Definition of Heat Wave in South Korea: A Nationwide Time-Series Study for 2011–2017," IJERPH, MDPI, vol. 17(16), pages 1-12, August.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:16:p:5720-:d:396005
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    References listed on IDEAS

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    1. James E. Bennett & Marta Blangiardo & Daniela Fecht & Paul Elliott & Majid Ezzati, 2014. "Vulnerability to the mortality effects of warm temperature in the districts of England and Wales," Nature Climate Change, Nature, vol. 4(4), pages 269-273, April.
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    Cited by:

    1. Yeongjin Gwon & Yuanyuan Ji & Jesse E. Bell & Azar M. Abadi & Jesse D. Berman & Austin Rau & Ronald D. Leeper & Jared Rennie, 2023. "The Association between Drought Exposure and Respiratory-Related Mortality in the United States from 2000 to 2018," IJERPH, MDPI, vol. 20(12), pages 1-13, June.
    2. Nguyen Thi Trang Nhung & Le Tu Hoang & Tran Thi Tuyet Hanh & Luu Quoc Toan & Nguyen Duc Thanh & Nguyen Xuan Truong & Nguyen Anh Son & Hoong Van Nhat & Nguyen Huu Quyen & Ha Van Nhu, 2023. "Effects of Heatwaves on Hospital Admissions for Cardiovascular and Respiratory Diseases, in Southern Vietnam, 2010–2018: Time Series Analysis," IJERPH, MDPI, vol. 20(5), pages 1-11, February.
    3. Shih-Chun Candice Lung & Jou-Chen Joy Yeh & Jing-Shiang Hwang, 2021. "Selecting Thresholds of Heat-Warning Systems with Substantial Enhancement of Essential Population Health Outcomes for Facilitating Implementation," IJERPH, MDPI, vol. 18(18), pages 1-21, September.
    4. Fadly Syah Arsad & Rozita Hod & Norfazilah Ahmad & Rohaida Ismail & Norlen Mohamed & Mazni Baharom & Yelmizaitun Osman & Mohd Firdaus Mohd Radi & Fredolin Tangang, 2022. "The Impact of Heatwaves on Mortality and Morbidity and the Associated Vulnerability Factors: A Systematic Review," IJERPH, MDPI, vol. 19(23), pages 1-22, December.
    5. Jack Ngarambe & Mattheos Santamouris & Geun Young Yun, 2022. "The Impact of Urban Warming on the Mortality of Vulnerable Populations in Seoul," Sustainability, MDPI, vol. 14(20), pages 1-26, October.
    6. Andrea Conti & Martina Valente & Matteo Paganini & Marco Farsoni & Luca Ragazzoni & Francesco Barone-Adesi, 2022. "Knowledge Gaps and Research Priorities on the Health Effects of Heatwaves: A Systematic Review of Reviews," IJERPH, MDPI, vol. 19(10), pages 1-16, May.

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