Public Health Viii [epidemiology]
Course Content and Outline
i)Introduction to concepts and principles of epidemiology(10 Hours)
a) Epidemiologic concepts: definition, scope, variations in severity of disease, methods of disease causation.
b) Descriptive epidemiology (“person Time and Place”), measures of morbidity and mortality, incidence and prevalence rates, crude, specific and adjusted rates, classifications of causes of death and their limitations.
c) Determinants of disease transmission and causation, host agent and environmental factors, natural history of disease, levels of disease prevention.
d) Screening of diseases and maintenance of health. Purposes of screening.
e) Screening tests: sensitivity, specificity, predictive values.
ii) Epidemiology in medical practice and research (15 Hours)
a) Disease surveillance and outbreak investigation: definition of outbreak and epidemic, attack rate, investigation of disease out breaks.
b) Epidemiologic methods: observational studies- cross sectional, cohort, case control, case series, and community surveys. Experimental study designs (Clinical trials, community intervention trials).
c) Sampling and sample size: probability sampling methods-simple, stratified, systematic, cluster and multistage sampling, non-probability sampling convenience, quota and purposive sampling.
iii) Statistical methods in epidemiology (10 Hours)
a)Measurements: relative risk, risk ratio, odds ratio, attributable risk, confidence intervals, sensitivity, specificity validity.
b) Statistical methods: data gathering, cleaning and entry, analysis, presentation of findings, measures of central tendency, dispersion and association, Interpretation of data. Statistical power, P-value, sample size.
c) Case study reports
Teaching and Learning Facilities
a) Whiteboard and markers
b) LCD Projectors
c) Epidemiological Charts