By Elise Viebeck - 06/05/13 01:05 PM EDT
The largest pro-ObamaCare ad buyer was the federal Health department in a nonpolitical education campaign.
Kantar Media noted that "Democratic candidates for office — including President Obama himself — have spent comparably little on campaign and issue advertisement about the law."
Election watchers expect ObamaCare to play a large role in the 2014 midterm elections.
Both Republicans and Democrats are gearing up to use the issue to sway voters, which will likely increase the advertisement spending in both columns.