February 2026 monthly data are now available. IPUMS CPS has not yet processed the re-released January 2026 data. 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 | - | - | - |
