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.
Significant temporal trends in diagnoses and pregnancy among P1074 participants between 2008 and 2014. Trends are based on Poisson regression models with number of events in a given year as the outcome, calendar year as a linear predictor, and offset term equal to log person-years of follow-up during that calendar year. Abbreviation: SE, standard error.
