QUESTION 1 0.3
Last year in Bernardsville, there were 4,581 births. In reviewing their birth certificates, researchers found that
672 had low birthweights (<2,500 grams), and 1,580 had mothers who smoked during pregnancy. Of the
mothers who smoked during pregnancy, 290 had low birth weight babies.
Set up the two by two table for these data.
Exposed Unexposed Total
Disease
290
672
No Disease
Total
1,580
4,581
(hint: fill in the missing totals, then fill in the missing cells)
Calculate the cumulative incidence per 10,000 births among the exposed
(Just input the number per 10,000 with no words so the answer can be evaluated automatically)
1290
QUESTION 2
0.375 po