Posted: November 19th, 2016

Based on the study design, would an odds ratio or relative risk be the appropriate test statistic to use when analyzing their data?

For Questions 7-8: A team of emergency nurse practitioners conducted an epidemiological cohort study to examine patients who returned to the emergency department within one week compared to patients who did not return to the emergency department within one week based on the patients’ clinical providers (physician versus nurse practitioner). They enrolled subjects in the study prospectively and documented whether their care was provided by a physician or a nurse practitioner and then they monitored the ED’s patient census for the following week and documented if the patients returned for care or not.

1. Based on the study design, would an odds ratio or relative risk be the appropriate test statistic to use when analyzing their data? (5 points)

2. Why was this test statistic appropriate? (5 points)

For Questions 9-13: A sample of nurses joined a study where they were asked to discuss and report on their experiences with violence against them by patients and visitors. All the nurses reported at least one prior experience with being physically assaulted while at work by a patient or visitor. The nurses also documented their age at the time of the first (or only) assault. Age at time of first (or only) assault is depicted below: