Problem 3B Cochran-Mantel-Haenszel MethodEai(Ci-di)/nΣc(ai . b/mObesity and Incident DiabetesCMHAge < 65IncidentTotalNodiabetesdiabetesB. Obesity has beenfound to be aObese92011Not obese82735confounding factorin the study. Usingthe CMH methodTotal173855Age 65+IncidentTotalNodiabetesdiabetescalculate theObese32adjusted relativerisk40Not obese253510Total754223

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Asked Nov 4, 2019
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Problem 3A and 3B

Problem 3B Cochran-Mantel-Haenszel Method
Eai(Ci-di)/n
Σc(ai . b/m
Obesity and Incident Diabetes
CMH
Age < 65
Incident
Total
No
diabetes
diabetes
B. Obesity has been
found to be a
Obese
9
20
11
Not obese
8
27
35
confounding factor
in the study. Using
the CMH method
Total
17
38
55
Age 65+
Incident
Total
No
diabetes
diabetes
calculate the
Obese
32
adjusted relative
risk
40
Not obese
25
35
10
Total
75
42
23
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Problem 3B Cochran-Mantel-Haenszel Method Eai(Ci-di)/n Σc(ai . b/m Obesity and Incident Diabetes CMH Age < 65 Incident Total No diabetes diabetes B. Obesity has been found to be a Obese 9 20 11 Not obese 8 27 35 confounding factor in the study. Using the CMH method Total 17 38 55 Age 65+ Incident Total No diabetes diabetes calculate the Obese 32 adjusted relative risk 40 Not obese 25 35 10 Total 75 42 23

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Σα(ςτd) Σε(α+ CM п, 9(8+27) 32(10+25) 75 55 8(9+11)10(32 +8) 55 75 5.73 14.93 2.91+5.33 20.66 8.24 =2.51

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