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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Am J Prev Med. 2014 May;46(5):487–495. doi: 10.1016/j.amepre.2014.01.011

Figure 2.

Figure 2

Population-level effects of ad activity on quitting and using help: Philadelphia antismoking campaign, 2010–2012

Lines depict 3-month moving averages with CIs of ±2 SEs. Note that a moving average cannot be calculated for baseline, the first month, or the last month of the campaign period. Bars indicate the amount of campaign targeted rating points (TRPs) purchased each month (labeled on the right axis).