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Addressing Tobacco, E-Cigarette, and Cannabis Waste

The Tobacco, E-Cigarette, and Cannabis Waste Randomized Controlled Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05751369
Acronym
TECW
Enrollment
400
Registered
2023-03-02
Start date
2023-03-01
Completion date
2026-06-30
Last updated
2026-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Knowledge, Attitudes, Practice

Brief 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.

Interventions

BEHAVIORALEducation plus Support

Brief behavioral support for using TECW Tracker

Sponsors

California State University, San Marcos
Lead SponsorOTHER
University of California, Davis
CollaboratorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 25 Years
Healthy volunteers
Yes

Inclusion criteria

* 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

Exclusion criteria

* None

Design outcomes

Primary

MeasureTime frameDescription
Knowledge about TECW6 weeksPercent 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

Secondary

MeasureTime frameDescription
Perceived harmfulness of TECW6 weeksQuestions adapted from Epperson et al. (2021) and Hoek et al. (2020); score ranges from 1-5, higher scores reflect greater perceived harm
Belief that TEC manufacturers should be accountable for waste mitigation6 weeksQuestions adapted from Hoek et al. (2020); score ranges from 1-4, higher scores reflect stronger regulatory belief
Use of TECW Tracker6 weeksNumber of reports received in ArcGIS-based TECW Tracker program
Readiness to engage in regulatory behavior6 weeksQuestions adapted from Pulvers (2022); scores range from 1-5; higher scores reflect greater regulatory readiness

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 20, 2026