Skip to main content
. Author manuscript; available in PMC: 2019 Feb 20.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2018 Jun 19;29(2):267–277. doi: 10.1038/s41370-018-0048-7

Figure 1.

Figure 1

Rate ratios and 95% confidence intervals from categorical C-R models. O3 categories are <25 ppb (reference), 25 to <35 ppb, 35 to <45 ppb, 45 to <60 ppb, and ≥60 ppb.