Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Correct, false-positive, and false-negative self-reports of cancer status among all cancers combined in World Trade Center exposed and unexposed workers, October 2, 2001, to December 31, 2011
aNon-significant variables in univariable analyses were not included in the final model. Work assignment and education were not significant in any of the models.
OR = odds ratio
CI = confidence interval
Ref. = reference group
NA = not applicable
