first trimester of pregnancy and miscarriage. Fifty women who suffered miscarriage are enrolled along with 50 who delivered full term. Each participant’s use of alcohol during pregnancy is ascertained. Heavy drinking is defined as 4 or more drinks on one occasion. The data are shown below.
Miscarriage Full Term
Heavy Alcohol consumption 14 4
Non heavy alcohol 36 46
Compute the odds of miscarriage in women with heavy alcohol use in pregnancy.
Odds Heavy Use = __14/36=38%______
Compute the odds of miscarriage in women with no heavy alcohol use in pregnancy.
Odds No Heavy Use __36/46=78%___
Compute is the odds ratio for miscarriage as a function of heavy alcohol use.
Odds Ratio = __.38/.46=.82_____
Did I work this right? I have two examples in the book but one is showing relationship between hypertension and prevalent cardio disease and another one using the invariance property of the odds ratio. I saw the same problem in this forum, but unsure if it is correct. Stats not my forte. ty
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