Question: 3. In a case control study examining the relationship between development disorders and prenatal exposure to cocaine, the hospital records of 1000 infants diagnosed with

3. In a case control study examining the relationship between development disorders and prenatal exposure to cocaine, the hospital records of 1000 infants diagnosed with a developmental disorder and 1000 control infants were inspected for proven maternal cocaine abuse. As the following table shows, of the 1000 children with a developmental disorder, 800 were born to mothers known to have abused cocaine during their pregnancy, compared to 300 of the control infants. Development Disorder Maternal Cocaine use Present Absent Totals Present see m 1100 Absent 200 900 Totals 1000 1000 2000 A. What is the absolute risk of developmental disorders among infants exposed to cocaine in utero? What is the OR of a developmental disorder given exposure to cocaine? What is the RR of a developmental disorder given exposure to cocaine? . What is the prevalence of developmental disorder? What is the attributable risk (AR) for developmental disorder given the mother was using cocaine and what does it mean? Encore

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