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.
Estimated means and 95% CIs for the percent change in FeNO level associated with one IQR increase in pollutant concentration, controlling for temperature (df = 2), RH (df = 3), 7-day moving average of temperature (df = 2), 7-day moving average of RH (df = 3), sex, day of the week, and a second pollutant.
