Evaluation Of A Research Study On Diabetes Incidence And Establishing Causal Relationship From Exposure Essay

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The research objective was explicit and includes a clear description of the population studied as well as the intervention and outcome of interest. In addition, the VIP had a large sample size with a high response rate; the intervention was representative of the study population and sufficient to answer the research question of this study. Also, the authors clearly described variables, measures and the process of data analysis. The study is a prospective cohort design which is appropriate for documenting diabetes incidence and establishing causal relationship from exposure to the intervention and time sequence in which incident cases of diabetes occurs. In the program, individuals with prevalent cases diabetes at baseline were appropriately excluded however, there was no explicit explanation why incident cases that occurred in the year following the baseline VIP assessment was excluded, since the primary outcome of the study was to determine incident type 2 diabetes cases between baseline VIP assessment and follow-up over 10 years. The program used objective measurements such as OGTT (from capillary plasma), and a majority of the diabetes diagnoses were confirmed according to WHO recommendations. Hence, objective measurements supported the subjective methods of determining the presence or absence of disease which included self-report of diabetes or self-report of diabetes medication, therefore researchers properly captured incident cases of diabetes. On the other hand,

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