Table 3.

Some example themes that were obtained from the data after fentanyl-related tweets were removed (italics denotes relevant “signal” theme).

Example theme	Word groupings
Example theme—1	cannabis, legalization, respect, completely, opinions, varying, merits
Example theme—2	drug, war, opposition, benches, friends, conservative, political, dead, props
Example theme—3	buy, online, pill, free, cheap, find, shipping, generic