Homework Answers
a.
| 110 a | 60 b |
| 300 c | 600 d |
(a/c) / (b/d)
110/300 divided by 60/600
0.36/ 0.1
36 is the odds ratio
Since the odds ratio is greater than 1, there are higher chances of develiping eosinophilic meningitis in children born to mothers who are exposed to antibiotics during pregnancy
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Question 3: A case control study was conducted in Alabama to find out whether exposure to...
A case control study was conducted in Alabama to find out whether exposure to antibiotic during...
A case control study was conducted in Alabama to find out whether exposure to antibiotic during pregnancy resulted in risk of child developing eosinophilic esophagitis. Investigators selected 300 cases of women who has child with eosinophilic esophagitis and 600 controls. The study found that 110 case mothers and 60 control mothers reported using antibiotics during pregnancy. Set up a two-by-two table for this data Calculate the odds ratio. State in words your interpretation of this odds ratio.
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Read the following research study and answer the following questions: A case control study was conducted...
Read the following research study and answer the following questions: A case control study was conducted to evaluate the relationship between direct sun exposure and skin cancer. 150 Cases and 100 controls were recruited from Al Wehda hospital. A data collecting method was distributed among both controls and cases. Analysis of data revealed that 70 of cases were exposed to active smoking while only 40 of controls were exposed. Construct a 2 by 2 table to demonstrate the two dichotomous...
Read the following research study and answer the following questions: A case control study was conducted...
Read the following research study and answer the following questions: A case control study was conducted to evaluate the relationship between direct sun exposure and skin cancer. 150 Cases and 100 controls were recruited from Al Wehda hospital. A data collecting method was distributed among both controls and cases. Analysis of data revealed that 70 of cases were exposed to active smoking while only 40 of controls were exposed. Construct a 2 by 2 table to demonstrate the two dichotomous...
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A case-control study was conducted to determine the association between smoking and coronary heart disease. The investigators found an odds ratio of 1.8 for coronary heart disease among subjects who smoked compared to those who didn’t smoke. The 95% confidence interval for this odds ratio was 0.8-4.3 and the P-value was 0.10. 1. State in words your interpretation of the odds ratio. 2. State in words your interpretation of the 95% confidence interval. 3. State in words your interpretation of...
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A case-control study was conducted to determine whether use of the anti-nausea drug Bendectin was associated with an increased risk of birth defects. "Cases" were mothers whose children had been born with birth defects; controls consisted of mothers of similar age and socioeconomic status who had children without birth defects. Cases and controls were selected by the same mechanism. Information about drugs taken during pregnancy was recorded by interviewers. What kind of bias should you suspect this study might be...
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Question 28 0 out of 2 po n a case-control study of osteoporosis, 150 women were enrolled as cases and an equal number as controls. Among the cases 50 reported low calcium intake, while only 20 of the controls reported low calcium intake. Calculate the odds ratio in the association between low calcium intake and developing osteoporosis in this population.
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Question 22 0 out c In women with deep venous thrombosis (DVT), a case-control study was conducted to test the association between DVT and past exposure to oral contraceptive (OC) use. Based on the data below, what is the unadjusted odds exposure to OC use among the cases of women with DVT compared to that among the controls without DVT? Oral Yes No Total 67 108 23 152 175 175
I study was conducted to assess whether occupational radiation exposure ated with leukemia in their offspring. The investigators enrolled 9. A case-control among men was associ leu kemia cases, controls without cancer and controls with brain cancer. Why did researchers enroll two different types of control groups? a. To standardize the age of the fathers b. To allow calculation of risk c. To minimize recall bias d. To control for the ecologic fallacy e. None of the above The table...
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