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Epidemiology Data Analysis Assignment
Students may pick any epidemiological article to practice on the following questions
1. Study design and study population
a. Identify the important design features of the study, such as its basic design, or architecture (e.g., case-control, cohort, etc.) and how the design is implemented (e.g., incident vs. prevalent cases, randomization by group, whether data are collected multiple times, what follow-up or any is involved, how follow-up if any is carried out, etc.])
b. Compared to other reasonable choices, what are the advantages and disadvantages of this study design and its features for the specific objective(s) or question(s) of this study? Epidemiology Data Analysis Assignment Help
c. What is the study population for this investigation?
d. What are the major eligibility criteria (inclusion and/or exclusion criteria)?
e. How suited is this choice of study population, including eligibility criteria, for the objectives of the study?
2. Data analysis
a. What are the primary data analysis strategies and/or methods used in the study (e.g., stratified analysis, mathematical modeling, graphical analysis)?
b. How are the primary variables coded for analysis? (e.g., as binary or dichotomous variables, in categories, as ordered categories, as counts, as continuous measures?)
c. What were the primary statistical parameters (measures) estimated in the data analysis (e.g., means, prevalences, incidences, incidence rate ratios, odds ratios, survival curves)? Epidemiology Data Analysis Assignment Help
d. How well suited is the choice of these parameters to the objectives of the study? Are there other parameters that you think should have been estimated?
e. How many participants are included in the primary analyses, and what percentage do they
constitute of the people who were eligible and selected for inclusion? Have a substantial number of observations been dropped from the analyses? Do drop-outs pose any limitations to the final conclusion?
f. How well do the authors deal with issues of multi-causation (e.g., measurement of and control for potentially confounding variables, investigation of important interactions)? Do the authors analyze the data separately in respect to a major variable to assess similarity or differences? Epidemiology Data Analysis Assignment Help
3. Findings
a. What are the main findings, including both those related to the primary study question(s) and other important results?
b. Are there particular results you regard as most important?
c. How well have the authors reported and presented their findings?
d. Are there additional results or analyses that you believe should have been reported, data that should have been shown?
e. Are extraneous results presented?
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