1+ reach

Statistically estimated percentage of population that had at least one contact with the advertisement (looked at the campaign poster). When calculating 1+ reach ratio, the model takes into consideration visibility adjustment and immobility ratio. 

3+ reach

Statistically estimated percentage of population that had at least three contacts with the advertisement (looked at the campaign poster). When calculating 3+ reach ratio, the model takes into consideration visibility adjustment and immobility ratio. 

Number of contacts

Number of contacts generated in an out-of-home campaign in the model target group.

Average number of contacts per viewer

Number of contacts per campaign viewer (statistical resident of a given city) calculated based on the model.