Table 1 Hearing related questions in the CHARLS survey

(1) Do you have a hearing problem?

 1. Yes

 2. No

(2) Do you ever wear a hearing aid?

 1. Yes

 2. No

(3) Would you say your hearing is excellent, very good, good, fair, or poor? (How is your hearing with a hearing aid if you normally use it? How is your hearing without a hearing aid if you normally don’t use it?)

 1. Excellent

 2. Very good

 3. Good

 4. Fair

 5. Poor