A survey was conducted among women to assess the relationship between anxiety and smoking. One hundred and sixty women were asked about their anxiety and smoking habits, and classified according to anxiety level (treated as a dichotomous variable) and smoking status.

	Smoker	Non-smoker	Total
Anxiety	76	24	100
Normal	22	38	60
Total	98	62	160

1. What is the value of the prevalence ratio?

Group of answer choices

A. 2.1

B 5.5

C. It is not appropriate to calculate this measure

D. 1.9

E. 0.4

2. What can be concluded based on the value of the prevalence ratio?

Group of answer choices

A. Anxiety is positively correlated with smoking

B. Anxiety is negatively correlated with smoking

C. Smoking is a risk factor for anxiety

D. There is no association between anxiety and smoking

3. Based on the data from the survey, what is the relative risk of smoking among people with anxiety?

Group of answer choices

A. 0.4

B. 2.1

C. 5.5

D. It is not appropriate to calculate a relative risk in this study

E. 40%