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<p>This study examines the long-run effects of disaster exposure on mental health service utilization using quasi-experimental difference-in-differences and event-study design. Using nationally representative Türkiye Health Survey data (2008–2022), we analyze changes in mental health service use following the 2011 Van earthquake. We document a delayed but sustained increase in utilization of approximately 3–4% points, peaking in 2016–2019 and attenuating by 2022. Heterogeneity analyses show larger responses among men and single individuals, while utilization among women remains comparatively lower. Robustness checks, including alternative control groups and wild-cluster bootstrap inference, support the validity of the empirical design. The findings highlight that post-disaster mental health service use may evolve gradually over time, underscoring the importance of long-term recovery planning in middle-income, high-seismic-risk settings.</p>

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Mental health service use after the Van Earthquake: evidence from a quasi-experimental difference-in-differences study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月18日

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  • Demet Topal Koç,
  • Gabriel Picone,
  • Bradley Kamp

摘要

This study examines the long-run effects of disaster exposure on mental health service utilization using quasi-experimental difference-in-differences and event-study design. Using nationally representative Türkiye Health Survey data (2008–2022), we analyze changes in mental health service use following the 2011 Van earthquake. We document a delayed but sustained increase in utilization of approximately 3–4% points, peaking in 2016–2019 and attenuating by 2022. Heterogeneity analyses show larger responses among men and single individuals, while utilization among women remains comparatively lower. Robustness checks, including alternative control groups and wild-cluster bootstrap inference, support the validity of the empirical design. The findings highlight that post-disaster mental health service use may evolve gradually over time, underscoring the importance of long-term recovery planning in middle-income, high-seismic-risk settings.