a study is planned to investigate risk factors for sudden cardiac death. A cohort of men women between the ages of 35 70 are enrolled and...

a study is planned to investigate risk factors for sudden cardiac death. A cohort of men & women between the ages of 35 & 70 are enrolled and followed for up to 20 years. As a part of the study, participants provide data on dempgraphic & behavorial characteristics, they also undergo testing for cardiac function and provide blood samples to access lipid profiles ande biomarkers. A new measure of inflammation is hypthosized to be related to sudden cardiac death. What study design is most appropriate to assess the association between the new biomarker and sudden cardiac death?