PUBH 6247 MIDTERM EXAM WITH COMPLETE SOLUTIONS 2025-2026!!, Exams of Advanced Education

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PUBH 6247 MIDTERM EXAM WITH COMPLETE SOLUTIONS 2025-2026!! Measures of occurrence - ANSWER A measure of disease/outcome burden -Prevalence, cumulative incidence, incidence rate, etc. Measures of association - ANSWER Acomparison of measures of occurrence across two groups (typically "exposed" and "unexposed") -Prevalence ratio, prevalence difference, cumulative incidence ratio, etc. Prevelance- ANSWER -Frequency of existing disease in a population at a certain time or period -Point prevalence: is more commonly used --expressed as a percentage -Period: combines point prevalence and cumulative incidence Alternate prevalence calculation- ANSWER Prevalence = Incidence * Duration Prevalence ratio - ANSWER Pexposed/Punexposed -The prevalence of disease in the exposed is 1.6 times the prevalence of disease in the unexposed When can PR can be used to estimate POR- ANSWER When disease is rare Prevalence difference - ANSWER Pexposed -Punexposed -The prevalence of disease in the exposed is 1.6% greater than the prevalence of disease in the unexposed.