Problem: A public health nurse (PHN) is asked by the hospital administration to find out why there are so many pediatric asthma patients coming to the ER for treatment and to develop a plan to reduce admissions by 10%. The nurse needs to untangle the multiple risk factors involved in order to determine what type of intervention should be developed. Which epidemiological model should the nurse use? Question options: Demography Descriptive Data Analysis Epidemiological Triangle Geographic Information System