Figure 5.
Age, period and cohort effect on breast cancer mortality in the US (bars around the point estimate indicate the 95% confidence intervals).
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.