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. Author manuscript; available in PMC: 2014 Jul 8.
Published in final edited form as: Res Rep Health Eff Inst. 2013 Feb;(174):5–174.

Figure F.5. Estimated means and 95% CIs for the percent change in EBC nitrite controlling for temperature (df = 2), RH (df = 1), 7-day moving average for temperature (df = 3), 3-day moving average for RH (df = 3), sex, day of the week, and a second pollutant.

Figure F.5

Left: results of a two-pollutant model controlling for the second pollutant using the most significant lag day; Right: results of a two-pollutant model controlling for the second pollutant using the same lag day as the primary pollutant.