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.
Frequency of self-reported other occupational exposures among 59,947 Nightingale Study participants. Legend: Dark part of bar indicates the proportion of participants who answered ‘yes’ to the following question ‘Have you ever worked with …… regularly for at least 6 months?
