Final answer:
A history of violent behavior is a key indicator of the risk for assaultiveness in a patient.
Step-by-step explanation:
When assessing the risk for assaultiveness in a patient, one of the most indicative features is a history of violent behavior. This can include a documented history of aggression, physical fights, or previous acts of assault. Other factors that may increase the risk include a history of substance abuse, psychiatric disorders such as antisocial personality disorder or impulsivity, and a lack of social support.
It is important to note that risk assessment for assaultiveness should be conducted by trained professionals, such as mental health clinicians or forensic experts, as it involves a thorough evaluation of multiple factors. It is not solely determined based on a single feature but rather a comprehensive assessment of the individual's history, current circumstances, and potential risk factors.