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.
Weighted and adjusted for age, sex, poverty income ratio, ethnicity, smoking status and urinary creatinine. * Significantly different from normal weight in the lowest 3-fluorene quintile (reference group), P≤0.05. Ɨ Significantly different from the lowest 3-fluorene quintile within BMI category P≤0.05
