| Parents of youth |
English-speaking guardians of youths aged 12-24 y who visited a primary care site within the previous 3 mo, as determined by their electronic health records |
| Physicians |
A physician in pediatric primary care who participated in a previous study survey and endorsed usage of ≥1 firearm safety check component |
| Nurses and nurse practitioners |
An appropriate individual who was identified as a pediatric primary care nonphysician clinician (ie, nurse or nurse practitioner) by an investigator, a leader of practices, or a pediatric primary care physician |
| Leaders of pediatric primary care practices |
An individual who was identified as a physician leader of a pediatric primary care clinic (eg, medical director) who participated in a previous study survey |
| Leaders of behavioral health |
A behavioral health department leader who was identified by an investigator at either site |
| Leaders of quality improvement |
An appropriate individual involved with quality improvement who was identified by an investigator at either site |
| System leaders |
An appropriate health system leader who was identified by an investigator at either site |
| Third-party payers |
A representative of a private or public insurer |
| Members of national credentialing bodies |
A representative of a national credentialing body or relevant national clinician group |
