For several different methods of contraception, the probabilities that a currently married woman experiences an unplanned...
For several different methods of contraception, the probabilities that a currently married woman experiences an unplanned pregnancy during the first year of use are given below. a. For each method listed, calculate the relative risk of pregnancy for women using the method versus women not using any type of protection. The relative risk here is defined as the probability of pregnancy in the method under consideration divided by the probability of pregnancy in the group using no protection. Probability 0.431 Method None Diaphragm 0.149 Condom 0.106 IUD Pill 0.071 0.037 b. How does the risk change with respect to method of contraception?