Figure 2.

Line plots depicting the changing odds of friendship durability for different values of the focal adolescent’s and existing friend’s alcohol use, and friends’ friends average alcohol use

Note: Alcohol use is held equal for friend and friends’ friends average drinking. Curves A–D include ego, alter, ego*alter durability, ego*alter at distance=2 durability, transitive triplets, and number of friends at distance=2. Curves E–G add the reciprocity term.