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Age when child condition 3 noticed

Codes and Frequencies

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For sample children under age 18 who have at least three specific listed health conditions, KIDCNAG3 reports the age of the child when the third condition was first noticed. Responses could be given in either months or years. For details on the third condition, see KIDC3.

KIDCNAG3 was introduced in 1981 as part of the Child Health Supplement. For related variables, please use the IPUMS NHIS search function or drop-down menus.


There are no comparability issues with this variable.


  • 1981: Sample persons under age 18 with 3 or more listed health conditions.


  • 1981