In a particular year in your health jurisdiction, there were 2,675 births. In reviewing their birth…

In a particular year in your health jurisdiction, there were 2,675 births. In reviewing their birth certificates, you found that 1,154 had low birth weights and 783 had mothers who smoked during pregnancy. Of the mothers who smoked during pregnancy, you found that 503 had low birth weight babies. Low Birth Weight Yes No TOTAL Smoked during Pregnancy Yes 503 280 783 No 651 1,241 1,892 TOTAL 1,154 1,521 2,675 a. What is the incidence among those who were exposed? Use 1,000 as the multiplication factor and answer should be in whole numbers. b. What is the incidence among those who were not exposed? Use 1,000 as the multiplication factor and answer should be in whole numbers. c. What is the relative risk of getting a low birth weight to those who smoked compared to those who do not? Use the already rounded off answers in the previous items when computing and answer should be in two decimal places. d. What is the interpretation of your result? (No association, positive association, or negative association)

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