Question

23 (of these, 16% had brief intervention, 3% brief tx, 4% referred)

Option 1:
a) Treatment outcomes

Option 2:
b) Patient demographics

Option 3:
c) Intervention effectiveness

Option 4:
d) Adverse reactions

Answer 1

The subject of this question is Health, and the primary topic of the question is Intervention effectiveness.

Step-by-step explanation:

The subject of this question is Health. The question is asking about the topic represented by the given options. The options include: Treatment outcomes, Patient demographics, Intervention effectiveness, and Adverse reactions. The correct answer is Intervention effectiveness because the provided information is discussing the effectiveness of a particular intervention in reducing the proportion of patients who develop a disease.