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Child's age when hearing problem diagnosed: Number of units

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For sample children under age 18 who have trouble hearing or are deaf, HRDIAGCNO reports the age (in numbers) when the sample child was diagnosed by a doctor or other health professional. Researchers must combine HRDIAGCNO with the variable HRDIAGCTP, which reports the time period (day(s), week(s), month(s), year(s), etc.) for the numbers listed in HRDIAGCNO in order to represent the age of the sample children.

This variable is part of the Sample Child Prevention Module, which provides information on specific health conditions, dental health and oral hygiene, and injury prevention. For related variables and more information about this supplement, please use the IPUMS NHIS search function and drop-down menus.


There are no comparability issues.


  • 1998: Sample children under 18 with hearing problems.


  • 1998