Answer:
The correct answer is - prevalence.
Step-by-step explanation:
Prevalence is the number of individidual cases that are alive with the disorder at a particular time frame or particular time. It provides the measure more precise.
The given question is comes under Prevalence as the factor of prevalence of HIV cases was based, on average, on number of infected people with HIV in New Jersey by ethnicity, race and gender for the most recent 1 year time frame.
Thus, the correct answer is - prevalence.