Question: 2) The Following Data Are From A Retrospective Cohort Study On Cocaine Use During Pregnancy And Perinatal Outcomes Among Singleton Births (Handler Et Al. Cocaine Use During Pregnancy: Perinatal Outcomes. Am J Epidemiol 1991;133:818-25). Table 1. Low Birth Weight And Cocaine Use. Cocaine Use Cocaine Use Low Birth Weight Normal Birth Weight Total Users …

2) The following data are from a retrospective cohort study oncocaine use during pregnancy and perinatal outcomes among singletonbirths (Handler et al. Cocaine use during pregnancy: perinataloutcomes. Am J Epidemiol 1991;133:818-25).

Table 1. Low birth weight and cocaine use. Cocaine use

A. What incidence measure can you calculate from this data?

B. What is the incidence of low birth weight among cocaineusers?

C. What is the incidence of low birth weight amongnon-users?