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Child's age when hearing problem diagnosed: Time period

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

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