How old were you when you began to have hearing loss in your LEFT ear?

(1) At birth
(2) Less than 3 years old
(3) Over 3 but less than 19 years old
(4) 19 and over but less than 45 years old
(5) 45 and over but less than 65 years old
(6) 65 and over
(7) Refused
(9) Don't know