Radiation and leukemia mortality in shipyard workers

Reference no: EM133644136

Question

A retrospective cohort study was conducted to examine the association between exposure to radiation and leukemia mortality in shipyard workers who worked with nuclear submarines. General population mortality rates were used as the comparison group in the calculation of standardized mortality ratios (SMRs). Which type of bias is most common and problemmatic for this study design? a. Healthy worker effect b. Differential misclassification of exposure c. Loss to follow up d. Recall bias.

Reference no: EM133644136

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