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vovikov84 [41]
3 years ago
10

A research study analyzed the health records of over 95,727 children. They divided the children at each age(2, 3, 4, or 5 years)

into vaccinated for MMR and not vaccinated. 15,000 children were not vaccinated at age 2 and 8,000 remained not vaccinated at age 5. The autism rate for each group at each age was determined. The researchers found no association between the MMR vaccination and increased risk of autism spectrum disorder(ASD). This study is an
Medicine
1 answer:
Alika [10]3 years ago
6 0

Answer:

A retrospective cohort study

Explanation:

A retrospective cohort study is a type of observational epidemiologic study where the risk of disease is retrospectively (i.e., posteriorly) compared between an exposed group versus a non-exposed group. In a similar way to prospective cohort studies, a retrospective cohort study also categorizes individuals under study depending on if they were exposed or not to the factor of interest. However, in this type of experimental design, the study begins at a point in time after both exposure and outcome have already occurred. Thus, a retrospective study is conceived after some individuals have already developed the outcome (e.g., disease/disorder) of interest.

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3 years ago
Suppose you want to study the relationship between smoking and cancer. You assume that smoking is a cause of cancer. Studies hav
Daniel [21]

Answer: in the above example, cancer is an independent variable.

Explanation:

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The hallux is the __digit of the foot.
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In a clinical report there is a note of a laceration (cut) on the posterior crural region. Where does this occur in layperson's
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What is the stigma towards people infected with hiv/aids in russia?.
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