Final answer:
Substance use by a partner is a critical factor that increases the risk of intimate partner violence (IPV), making it the most concerning finding for a nurse assessing a client's risk.
Step-by-step explanation:
In the context of intimate partner violence (IPV), the nurse should recognize that substance use by the partner places the client at a greater risk for partner violence. Research indicates that there is a heightened frequency of IPV incidents involving drugs or alcohol, with nearly half of IPV instances involving these substances. Substance use can impair judgement, reduce inhibitions, and lead to increased aggression, therefore increasing the risk of violence. In contrast, factors such as a supportive social network, employment stability, and high self-esteem are generally protective and mitigate the risk of violence. Communities and healthcare providers aim to support survivors through trauma-informed care, social support, and maintaining a non-judgmental atmosphere, which are critical for ensuring safety and aiding recovery from IPV.