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Estimating the World Trade Center Tower Population on September 11, 2001: A capture-recapture approach

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  • Murphy, J.

Abstract

I applied the capture-recapture method to estimate the World Trade Center tower population at the time of the September 11, 2001, terrorist attacks. Available lists helped identify 8965 survivors and 2152 confirmed casualties. The capture-recapture model suggested that an additional 4435 survivors were present, putting the total count of all present at 15552 (95% confidence interval=15216, 15897). An accurate estimate represents the potential number at risk for trauma as a result of direct exposure to the events of the day.

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  • Murphy, J., 2009. "Estimating the World Trade Center Tower Population on September 11, 2001: A capture-recapture approach," American Journal of Public Health, American Public Health Association, vol. 99(1), pages 65-67.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.2007.124768_3
    DOI: 10.2105/AJPH.2007.124768
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    Cited by:

    1. Rivest Louis-Paul, 2011. "A Lower Bound Model for Multiple Record Systems Estimation with Heterogeneous Catchability," The International Journal of Biostatistics, De Gruyter, vol. 7(1), pages 1-21, May.
    2. Hyun Kim & Navneet Kaur Baidwan & David Kriebel & Manuel Cifuentes & Sherry Baron, 2018. "Asthma among World Trade Center First Responders: A Qualitative Synthesis and Bias Assessment," IJERPH, MDPI, vol. 15(6), pages 1-14, May.
    3. Chang Xuan Mao & Ruochen Huang & Sijia Zhang, 2017. "Petersen estimator, Chapman adjustment, list effects, and heterogeneity," Biometrics, The International Biometric Society, vol. 73(1), pages 167-173, March.

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