Knowledge, Attitudes, PracticeTECWNCT05751369
Addressing Tobacco, E-Cigarette, and Cannabis Waste
A study testing Education plus Support in people with Knowledge, Attitudes, Practice, run by California State University, San Marcos at 2 sites in United States.
Trial summary
This study tests of effect of brief education and support about tobacco, e-cigarette, and cannabis waste (TECW) on knowledge, beliefs, behavior, and TECW on two college campuses. Read more about this study
- Who is it for?
- Ages 18 to 25 yearsHealthy volunteers can take part
- Conditions the study is for
- Knowledge, Attitudes, Practice
- What is being tested?
- Education plus Support
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 406 participants
- Where
- 2 sitesUnited States
- Study dates
- 1 Mar 2023to 19 Jun 2025
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 25 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- student at University of California, Davis or California State University San Marcs
- between the ages of 18 and 25
- taking at least one class on the main campus
- at least six months until graduation
- have a smart phone with location services enabled for apps
- regular access to a device with sufficient WiFi
- private space for three remote visits on over the next six weeks and one visit in six months
- willing to have camera on during remote visits
Who cannot join
- None
Trial locations and contacts
2 sites in 1 country.
United States2 sites
University of California, Davis
Davis, California, 95616
California State University San Marcos
San Marcos, California, 92096
About this study
Official title: The Tobacco, E-Cigarette, and Cannabis Waste Randomized Controlled Trial
This study tests of effect of brief education and support about tobacco, e-cigarette, and cannabis waste (TECW) on knowledge, beliefs, behavior, and TECW on two college campuses.
- Conditions
- Knowledge, Attitudes, Practice
- Being tested
- Education plus Support
- Medical subject headings
- Behavior
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Education plus SupportBehavioural
Also called Motivational Enhancement
Brief behavioral support for using TECW Tracker
| Study group | Role | What they receive |
|---|---|---|
| Education Only | Active comparator | Treatment as usual with brief videos and weblink Receives: Behavioral: Education plus Support |
| TECW+ | Experimental | Education plus motivational enhancement Receives: Behavioral: Education plus Support |
What is being measured
The primary outcome is the main question the study is designed to answer.
Knowledge about TECW
Percent correct on 12-item knowledge test based on Protect our Planet: The Earth is Not Disposable (California Youth Advocacy Network) and Environmental Impact of Cigarette Butts (Tobacco Free CA) videos. Higher scores reflect more accurate knowledge about TECW
Measured: 6 weeks
Secondary outcomes (4)
Perceived harmfulness of TECW
Questions adapted from Epperson et al. (2021) and Hoek et al. (2020); score ranges from 1-5, higher scores reflect greater perceived harm
Measured: 6 weeks
Belief that TEC manufacturers should be accountable for waste mitigation
Questions adapted from Hoek et al. (2020); score ranges from 1-4, higher scores reflect stronger regulatory belief
Measured: 6 weeks
Use of TECW Tracker
Number of reports received in ArcGIS-based TECW Tracker program
Measured: 6 weeks
Readiness to engage in regulatory behavior
Questions adapted from Pulvers (2022); scores range from 1-5; higher scores reflect greater regulatory readiness
Measured: 6 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted2 Mar 2023
- Study start1 Mar 2023
- Primary completion26 Nov 2024
- Study completion19 Jun 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Knowledge, Attitudes, PracticeStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 406 participants (actual)
Sponsor and investigators
- Lead sponsor
- California State University, San Marcos
- Sponsor type
- University, hospital or other
- Collaborators
- University of California, Davis
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05751369
- Sponsor's protocol ID
- 1896205
- Other IDs
- T321R4972
- Acronym
- TECW
- Status last verified
- Oct 2026
- First submitted
- 10 Feb 2023
- Last updated
- 26 Oct 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Pulvers K, Nordskog AB, Shearer H, Smith C, Stewart SL, Novotny TE, Tong EK. Modifying Tobacco and Cannabis Waste Perceptions and Behavior Among Young Adults: Protocol for a Randomized Controlled Trial. JMIR Res Protoc. 2025 Dec 4;14:e79525. doi: 10.2196/79525.
PubMed 41343823
Study at a glance
From the registry record, last updated by the sponsor on 26 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Tobacco, E-Cigarette, and Cannabis Waste Randomized Controlled Trial
- ClinicalTrials.gov ID
- NCT05751369
- Acronym / sponsor ID
- TECW / 1896205
- Conditions
- Knowledge, Attitudes, Practice
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 406 participants (actual)
- Lead sponsor
- California State University, San MarcosUniversity, hospital or other
- Collaborators
- University of California, Davis
- Study start
- 1 Mar 2023 (actual)
- Primary completion
- 26 Nov 2024 (actual)
- Study completion
- 19 Jun 2025 (actual)
- First posted
- 2 Mar 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study tests of effect of brief education and support about tobacco, e-cigarette, and cannabis waste (TECW) on knowledge, beliefs, behavior, and TECW on two college campuses.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Education Only | Active comparator | Behavioral: Education plus SupportTreatment as usual with brief videos and weblink |
| TECW+ | Experimental | Behavioral: Education plus SupportEducation plus motivational enhancement |
Who may qualify
- Ages
- 18 to 25 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (8 listed)
- student at University of California, Davis or California State University San Marcs
- between the ages of 18 and 25
- taking at least one class on the main campus
- at least six months until graduation
- have a smart phone with location services enabled for apps
Key exclusion criteria (1 listed)
- None
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Education plus SupportAlso: Motivational EnhancementBrief behavioral support for using TECW Tracker | Behavioural | Education Only, TECW+ |
Primary outcome
Knowledge about TECW
Time frame: 6 weeks
Percent correct on 12-item knowledge test based on Protect our Planet: The Earth is Not Disposable (California Youth Advocacy Network) and Environmental Impact of Cigarette Butts (Tobacco Free CA) videos. Higher scores reflect more accurate knowledge about TECW
4 secondary outcomes
Perceived harmfulness of TECW
Time frame: 6 weeks
Belief that TEC manufacturers should be accountable for waste mitigation
Time frame: 6 weeks
Use of TECW Tracker
Time frame: 6 weeks
Readiness to engage in regulatory behavior
Time frame: 6 weeks
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Oct 2026.
- Derived from this study: PubMed 41343823Pulvers K, Nordskog AB, Shearer H, Smith C, Stewart SL, Novotny TE, Tong EK. Modifying Tobacco and Cannabis Waste Perceptions and Behavior Among Young Adults: Protocol for a Randomized Controlled Trial. JMIR Res Protoc. 2025 Dec 4;14:e79525. doi: 10.2196/79525.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Education plus Support in people with Knowledge, Attitudes, Practice, run by California State University, San Marcos at 2 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 8 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 26 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Knowledge about TECW (time frame: 6 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05751369, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Oct 2026.