Multiple Choice
A double blind randomized controlled trail was performed to assess the effect of vitamins on preventing cardiovascular diseases. 250 were given vitamins while 285 were not. Among those who have been given vitamins, 85 developed the disease while only 40 did not develop the disease from those who were not given the vitamins. Please calculate the relative risk (RR) for vitamin intake compared to non-vitamin intake:
A) 3.9
B) 0.39
C) 0.49
D) 4.9
Correct Answer:
Verified
Correct Answer:
Verified
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