data concerning only the primary YouTube platform, excluding YouTube Kids

According to the source: "a total of 191 parents who participated in [the study]provided a list of the last videos their children watched on the main YouTube site. Sample: 1,639 videos analyzed.

Always according to the source: " All categories coded 0 (not present), 1 (present in mild form or limited amount), or 2 (present persistently or to a major degree), except for wish fulfillment, interpersonal violence, or stereotypes, which were coded not present/present."

Values may not add up to 100 percent due to rounding.