Codes and Frequencies
For sample children under age 18 who have at least nine specific listed health conditions, KIDCHRON9 is a recoded variable, which reports whether the ninth condition listed was chronic or not. Chronic was defined as a condition lasting three months or longer (or since birth, for infants less than three months old), which has not been cured. For details on the ninth condition, see KIDC9.
KIDCHRON9 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.
- 1981: Sample persons under age 18 with 9 or more listed health conditions.
- 1981 : SAMPWEIGHT