This here shows, on the Y-axis, the increase in the probability that a person is obese given that a social contact of theirs is obese and, on the X-axis, the degrees of separation between the two people.
Dette viser, på Y-aksen, forøgelsen i sandsynligheden for at personen er overvægtig ud fra at en af deres sociale kontakter er overvægtig og, på X-aksen, graden af adskillelse mellem de to mennesker.