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Ten-year cancer incidence in rescue/recovery workers and civilians exposed to the September 11, 2001 terrorist attacks on the World Trade Center

Li, Jiehui; Brackbill, Robert M.; Liao, Tim S.; Qiao, Baozhen; Cone, James E.; Farfel, Mark R.; Hadler, James L.; Kahn, Amy R.; Konty, Kevin J.; Strayner, Leslie T.; Stellman, Steven D.

Background:

Cancer incidence in exposed rescue/recovery workers (RRWs) and civilians (non-RRWs) was previously reported through 2008.
Methods:

We studied occurrence of first primary cancer among World Trade Center Health Registry enrollees through 2011 using adjusted standardized incidence ratios (SIRs), and the WTC-exposure-cancer association, using Cox proportional hazards models.
Results:

All-cancer SIR was 1.11 (95% confidence interval (CI) 1.03–1.20) in RRWs, and 1.08 (95% CI 1.02–1.15) in non-RRWs. Prostate cancer and skin melanoma were significantly elevated in both populations. Thyroid cancer was significantly elevated only in RRWs while breast cancer and non-Hodgkin's lymphoma were significantly elevated only in non-RRWs. There was a significant exposure dose-response for bladder cancer among RRWs, and for skin melanoma among non-RRWs.
Conclusions:

We observed excesses of total and specific cancers in both populations, although the strength of the evidence for causal relationships to WTC exposures is somewhat limited. Continued monitoring of this population is indicated.

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Also Published In

Title
American Journal of Industrial Medicine
DOI
https://doi.org/10.1002/ajim.22638

More About This Work

Academic Units
Epidemiology
Published Here
September 27, 2016
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