Exclude the influence of age-gender and race

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Answer parts a, b, and c. The options you can choose from include prospective cohort design, retrospective design, cross-sectional design, or case-control study. These options should be used to choose from for parts a, b, and c. Please explain all answers with details.

People are randomized into two groups: one with calcium and one with a placebo.

a. What is this study design called? Why do we need a placebo group?

b. How can we better design the study to exclude the influence of age, gender and race?

c. How can you design a study to examine if intake of calcium relates to cardiovascular disease for the population overall? Give at least two study designs.

Reference no: EM132855952

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