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.
Cumulative risk curves for duration of clean-up work and self-reported MI/ fatal CHD with inverse probability of exposure and censoring weights to account for gender, age, smoking, education, maximum total hydrocarbon exposure, and residential proximity to the oil spill.
