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Length of time with child condition 4

Codes and Frequencies

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For sample children under age 18 who have at least four specific listed health conditions, KIDCTIM4 is a recoded variable, which reports how long the child has had the fourth condition listed. For details on the fourth condition, see KIDC4.

KIDCTIM4 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 4 or more listed health conditions.


  • 1981