Monthly CPS data are not currently being released amidst the U.S. federal government shut down. Once the September 2025 monthly data are available, we will process and release them as quickly as possible via IPUMS.
- Codes
- Description
- Comparability
- Universe
- Availability
- Flags
- Questionnaire Text
- UnHarmonized Variables
Codes
This variable is 2-digit numeric variable.
0 = Only used once or twice or less than one year
96 = Refused
97 = Don't know
98 = No response
99 = Not in universe
Description
ECYEAR indicates the number of years of total E-cigarette use for persons interviewed for the Tobacco Use Supplement (TBRESP) that have ever used E-cigarettes(ECEV), are now either not using it, use it some days, or use it every day(ECFREQ), and self-responded..
This variable is part of the Tobacco Supplement.
Availability
| Years | Jan | Feb | ASEC | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | - | - | - | - | - | - | X | - | - | - | - | - |
| 2015 | X | - | - | - | X | - | - | - | - | - | - | - |
| 2018 | - | - | - | - | - | - | X | - | - | - | - | - |
| 2019 | X | - | - | - | X | - | - | - | - | - | - | - |
| 2022 | - | - | - | - | - | - | - | - | X | - | - | - |
| 2023 | X | - | - | - | X | - | - | - | - | - | - | - |