Table 1.
Age-standardized characteristics of Nurses’ Health Study and Nurses’ Health Study II participants throughout follow-up (1984–2004 for NHS and 1989–2011 for NHSII) by pooled quintile of time-varying latitude
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.