Table 1.

Incivility variable attributes.

Attribute name	Perspective APIa description [60]	Example postb
Severe toxicity	“A very hateful, aggressive, disrespectful comment or otherwise very likely to make a user leave a discussion or give up on sharing their perspective.”	“F*ck the vaccine and f*ck COVID, this should not be required period!!!”
Identity attack	“Negative or hateful comments targeting someone because of their identity.”	“DO NOT COMPLY. Screw liberals and their idiotic vaccine mandate.”
Insult	“Insulting, inflammatory, or negative comment towards a person or a group of people.”	“Bank accounts are frozen for protesting mandates. How many more vaccines will you take before you wisen up? Wake up you stupid little sheep.”
Profanity	“Swear words, curse words, or other obscene or profane language.”	“It must be hard to be a victim of the vaccine mandate. A**holes on the internet FROTH at the F*CKING mouth to dismiss your experience.”
Threat	“Describes an intention to inflict pain, injury, or violence against an individual or group.”	“I’ll put a bullet in someone who tries to force my kid to get the vaccine.”

^aAPI: application programming interface.

^bCurse words have been censored to make the table suitable for publication.