Question

13.103 Estimate the OR between OC use and MI after controlling for age, and provide a 95% CI about this estimate.

13.104 Is there evidence of effect modification of the OC−MI relationship by age?

Association between MI and OC use by age TABLE 13.7 Recent OC use Cases (MI) Controls OR Proportion OC user Proportion M Age 2 23 62 7.2 4 Yes 25-29 224 2 8.9 Yes 30-34 390 12 26 4 35-39 Y es 330 3 3.7 Yes 40-44 362 65 24 3 3.9 Yes 45-49 301 93 135 29 Yes Total 1607 205

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