Nr-503 Midterm Already Passed

Website credibility {Ans: who runs the site? why have they created the site? who is sponsoring the site? is it up to date? what is the privacy policy?}Case-control study strengths {Ans: - inexpensive - shorter time to completion - able to study variable with long latency or impact periods - provides a means to compare groups - able to calculate odds ratio - able to study rare or fatal disease - can study multiple exposures}period prevalence rate {Ans: The TOTAL number of cases or instances of disease/health-related condition during a specified period of time divided by the population at risk of having the disease or condition during that period}Case-control study measures {Ans: Odds ratio}Power (1-beta) {Ans: the capacity of the study to detect differences or relationships that actually exist in a population, the larger the power the less likely a type II error}Heirarchy of Evidence {Ans: best = systematic reviews, RCT, cohort studies, case control studies, case series, case reports editorials expert opinions = worst}