Codes and Frequencies
For sample persons who are deaf in one or both ears, or have trouble hearing with one or both ears, or use a hearing aid, HRCBIRTHOR indicates whether the cause of hearing problems was present at birth for a reason other than those already mentioned, excluding other infectious diseases.
Reasons for hearing problems present at birth that were already mentioned include: mother had German measles (rubella) during pregnancy; a genetic reason; an infectious disease such as measles or meningitis; an ear injury; an ear surgery; loud noise from gunfire, blasts, or explosion; other noise from machinery, aircraft, power tools, loud music, appliances, Walkman personal ; or getting older. Please use the IPUMS NHIS search function and drop-down menus to locate the related variables that report these reasons.
This variable is part of the Hearing Supplement, which provides unique information on hearing conditions. For related variables and more information about this supplement, please use the IHIS search function and drop-down menus.
- 1991: Persons who are now deaf in one or both years or now have other trouble hearing in one or both ears or now use a hearing aid.
- 1991 : PERWEIGHT