QUESTION 13 In a study of a possible association between tea drinking (exposure) and developing cancer (outcome), it is
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QUESTION 13 In a study of a possible association between tea drinking (exposure) and developing cancer (outcome), it is
QUESTION 13 In a study of a possible association between tea drinking (exposure) and developing cancer (outcome), it is found that the association is distorted by the presence of a third variable in this case, age. In this example, age is an example of (a): O A Bias O B Measure of association C Random error O D. Confounder
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