Description
For persons under age 18 who have at least one activity limitation (LANY), and for whom a bone, joint, or muscle problem was reported as a condition causing any activity limitation (CLIMBONE), CLIMBONEY reports the duration, in years, of the bone, joint, or muscle problem.
Data on the duration of limiting bone, joint, or muscle problem were collected via the question, "How long [have/has] [you/person] had [a bone, joint, or muscle problem]?" Respondents could answer this open-ended question using the time unit of their choice (i.e., days, weeks, months, or years). The original responses to the question are reported in two complementary variables, CLIMBONETP (which specifies the time unit) and CLIMBONENO (which reports the number of such units). For the NHIS public use files, the National Center for Health Statistics (NCHS) recoded the results from these two variables to create two other variables using standard time units: years (CLIMBONEY) and groups of months (CLIMBONEMO).
Comparability
Apart from a change in the coding of "unknown" cases, this variable is comparable across years.
In 2002 forward, the unknowns were categorized as:
- Unknown number of years (IHIS code 96)
- Unknown-refused (IHIS code 97)
- Unknown-not ascertained (IHIS code 98)
- Unknown-don't know (IHIS code 99)
However, in 1997-2001, the category of "Unknown number of years" did not occur.
Analysts can achieve comparability across all years by combining two-digit codes for 96 forward into a single "unknown" category.
Universe
- 1997-2010: Persons under age 18 limited due to bone/joint/muscle problem.
Codes and Frequencies
Availability
- 1997-2010
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Weights
- 1997-2010 : PERWEIGHT
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