B20.

(READ SLOWLY) Parts of the rest of this interview ask about your physical and emotional well-being and about areas of your life that could affect your physical and emotional well-being. It is important for us to get accurate information. In order to do this, you will need to think carefully before answering the following questions.

Are you willing to do this?

PROBE NEGATIVE RESPONSES BY ASKING IF THERE IS A BETTER TIME TO COME BACK FOR THE INTERVIEW. REPEAT B20 AS NECESSARY. R MUST ANSWER AFFIRMATIVELY TO CONTINUE WITH THE INTERVIEW, IF R SAYS 'NO' GO TO B20a.