17. A study investigates the association between smoking and Myocardial Infarcti

Question

17. A study investigates the association between smoking and Myocardial Infarction (MI). The info below is stratified by alcohol consumption Among alcohol drinkers Total 140 140 MI No MI Smoking Non-Smoking Total 126 130 256 dl26 260 245 280 RR I4o Among non-alcohol drinkers MI No MI Total Smoking 18 42 60 Non-Smoking | 5 55 | 60 RR Mto-ole--7:5 516o 0.083 Total 2397 120 Based only on this data, what conclusion can you draw? a. b. c. d. e. Smoking is not associated with MI The effect of smoking on MI is confounded by alcohol intake The effect of smoking on MI is modified by alcohol intake Alcohol intake is not associated with MI Both alcohol and smoking are associated with MI

Explanation / Answer

There is difference in MI level when we compare Alcohol and non alcohol drinkers for respective subgroups

It has been observed that with Alcohol proportion of value of sample for MI varies than compared with non alcohol drinkers abd thus we can say it is modified by alcohol intake

we cant say option d as there is clear difference

option e can't be a proper statement as it is not specified

option a is wrong as we can see the difference

option b is invalid as we cant effect of smoking on MI is invalidated by alcohol intake rather modified is logical word

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.