WTC-related Probable PTSD Assessment

Participants were stratified by occupational role (supervisor, non‐supervisor) reported while on site at the WTC. Duration on site has been identified as a primary risk factor for CI in this cohort and was included here as ≥15 weeks (the top quintile of exposure durations). Exposure to the dust cloud on the morning of 9/11 has been identified as the most intense and caustic period of particle and gas exposure and has been implicated in the severity of long‐term health outcomes among WTC‐affected populations so we included dust cloud exposure.⁴⁴, ⁴⁵Probable PTSD was assessed using the 17‐item PTSD Checklist (PCL‐C) for Diagnostic and Statistical Manual of Mental Disorders, 4th edition.⁴⁶ The index was created by summing symptoms (Cronbach's α = 0.95), and a cutoff of PCL ≥44 was used to determine WTC‐related probable PTSD (hereafter, PTSD).

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Kritikos M., Diminich E.D., Meliker J., Mielke M., Bennett D.A., Finch C.E., Gandy S.E., Carr M.A., Yang X., Kotov R., Kuan P., Bromet E.J., Clouston S.A, & Luft B.J. (2023). Plasma amyloid beta 40/42, phosphorylated tau 181, and neurofilament light are associated with cognitive impairment and neuropathological changes among World Trade Center responders: A prospective cohort study of exposures and cognitive aging at midlife. Alzheimer's & Dementia : Diagnosis, Assessment & Disease Monitoring, 15(1), e12409.

Publication 2023

Caustic Populations Ptsd

Corresponding Organization : Stony Brook University

Other organizations : Wake Forest University, Rush University, University of Southern California, Icahn School of Medicine at Mount Sinai, Applied Mathematics (United States)

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Variable analysis

independent variables

Occupational role (supervisor, non-supervisor)
Duration on site (≥15 weeks)
Exposure to the dust cloud on the morning of 9/11

dependent variables

Probable PTSD (assessed using the 17-item PTSD Checklist (PCL-C) for Diagnostic and Statistical Manual of Mental Disorders, 4th edition)

control variables

None explicitly mentioned

Annotations

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