The March 2026 monthly data and the January 2026 data that were recently re-released by the Census Bureau are now available via IPUMS CPS. October 2025 data were not collected during the U.S. federal government shutdown.
IMCHRNLUNG
Have asthma, chronic bronchitis, emphysema, or tuberculosis
- Codes
- Description
- Comparability
- Universe
- Availability
- Flags
- Questionnaire Text
- UnHarmonized Variables
Codes
This variable is not available for any of the currently selected samples.
Description
IMCHRNLUNG reports whether the respondent has asthma, chronic bronchitis, emphysema, or tuberculosis.
This variable is part of the Immunization Supplement .
Universe
- 1978-1984: Persons age 14 and older in month-in-samples 2-4 and 6-8
- 1985: Persons age 14 and older
Availability
| Years | Jan | Feb | ASEC | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 – 1985 | - | - | - | - | - | - | - | - | X | - | - | - |
