Table 2

Pre-9/11 prevalence of physical health conditions by World Trade Center (WTC) exposure status in Fire Department of the City of New York (FDNY) emergency medical service workers

Pre-9/11 physical health conditions*WTC-exposed (n=1863)WTC-unexposed (n=418)p Value
nPer centnPer cent
Obstructive airways disease291.671.70.8611
 Chronic bronchitis30.210.20.5553
First pre-9/11 cancer diagnosis†130.730.71.0
  • * With the exception of cancer, information on pre-9/11 physical health conditions prior to March 17, 1996 is unavailable.

  • p values for rhinosinusitis, GERD, chronic bronchitis, and first primary pre-9/11 cancer diagnosis were calculated from Fisher's exact test; p values for obstructive airways disease and asthma were calculated from Pearson's χ2 test.

  • †First primary cancer diagnosis.

  • COPD, chronic obstructive pulmonary disorder; GERD, gastroesophageal reflux disease.