| Event stages | Epidemiologic factors | |||
| Human factor | Agent or vehicle | Physical environment and medical resources | Sociocultural/political environment | |
| Pre-event | Gun safety programs for children Family counseling | Remove firearms from home Loaded chamber indicator Magazine disconnect device Trigger locks Personalized gun | Lock boxes Store ammunition separately | Regulation of handguns and assault weapons Regulation of firearms as a consumer product |
| Event | Bulletproof vest | Safer bullet | Safe firearm practice ranges | |
| Post-event | --- | --- | Improved children's emergency systems and rehabilitation | Surveillance and analysis of firearm injuries to identify risk factors, causes, and possible prevention strategies |
