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Active, Not Recruiting

NCT Number: NCT05751369

Addressing Tobacco, E-Cigarette, and Cannabis Waste

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.

Active, Not Recruiting

This study is active but is not currently recruiting participants.

Key information

Conditions

Knowledge, Attitudes, Practice Behavior

Age range

18 year–25 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of California, Davis, Davis, California, United States

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Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

Education plus Support

Behavioral

Brief behavioral support for using TECW Tracker

Other names: Motivational Enhancement

Primary outcomes

  1. 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

Secondary outcomes

  1. Perceived harmfulness of TECW

    Time frame: 6 weeks

    Questions adapted from Epperson et al. (2021) and Hoek et al. (2020); score ranges from 1-5, higher scores reflect greater perceived harm

  2. Belief that TEC manufacturers should be accountable for waste mitigation

    Time frame: 6 weeks

    Questions adapted from Hoek et al. (2020); score ranges from 1-4, higher scores reflect stronger regulatory belief

  3. Use of TECW Tracker

    Time frame: 6 weeks

    Number of reports received in ArcGIS-based TECW Tracker program

  4. Readiness to engage in regulatory behavior

    Time frame: 6 weeks

    Questions adapted from Pulvers (2022); scores range from 1-5; higher scores reflect greater regulatory readiness

Sponsors and collaborators

Lead sponsor

California State University, San Marcos

Other

Collaborators

  • University of California, Davis

Registry information

Official study title

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

Acronym: TECW

Important dates

Study start
2023
Primary completion
2024
Study completion
2026
First posted
Mar 2, 2023
Registry last updated
Mar 19, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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