Suppose the data in the table below was found from a casecontrol study. What measure of association would you calculate, what is the value of the measure and it's 95% CI? Is it significant? Why or why not?
case  control  
exposed  37  77 
nonexposed  120  390 
a 
RR, 1.38, (1.01, 1.88), significant since 0 is not contained in the confidence interval 

b 
OR, 1.56, (1.00, 2.43), significant since 0 is not contained in the confidence interval 

c 
RR, 1.38, (1.01, 1.88), significant since 1 is not contained in the confidence interval 

d 
OR, 1.56, (1.00, 2.43), significant since 1 is not contained in the confidence interval 

e 
none of the above 
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