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.
ECFREQ30
Frequency of E-cigarette usage in the past 30 days.
- Codes
- Description
- Comparability
- Universe
- Availability
- Flags
- Questionnaire Text
- UnHarmonized Variables
Codes
This variable is 2-digit numeric variable.
0 = None
96 = Refused
97 = Don't know
98 = No response
99 = Not in universe
Top code = 30
Description
ECFREQ30 indicates the how many times the respondent used an E-cigarette in the past 30 days for persons interviewed for the Tobacco Use Supplement (TBRESP) who have used E-cigarettes 'some days' in the past 30 days (ECFREQ).
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 | - | - | - | - | - | - | - |
