Final answer:
Establishing screening programs to identify at-risk clients is a method of secondary prevention that should be included in the nurse's prevention strategies for partner violence in the community.
Step-by-step explanation:
The nurse should include establishing screening programs to identify at-risk clients as a method of secondary prevention in their prevention strategies for partner violence in the community. By implementing screening programs, the nurse can identify individuals who are at risk for partner violence and take necessary steps to address their needs and prevent further violence. This approach focuses on early intervention and aims to identify and support individuals who may be at risk before the violence occurs.