Addressing Tobacco, E-Cigarette, and Cannabis Waste

Study Overview
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Brief Summary
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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.

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

Conditions
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Knowledge, Attitudes, Practice

Intervention / Treatment
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* Behavioral: Education plus Support


Participation Criteria
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Eligibility Criteria
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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

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 25 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Active Comparator: Education Only<br>Treatment as usual with brief videos and weblink | Behavioral: Education plus Support<br>* Brief behavioral support for using TECW Tracker<br>* Other names: Motivational Enhancement;|
| Experimental: TECW+<br>Education plus motivational enhancement | Behavioral: Education plus Support<br>* Brief behavioral support for using TECW Tracker<br>* Other names: Motivational Enhancement;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| 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 | 6 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| 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 | 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 | 6 weeks | 
| Use of TECW Tracker | Number of reports received in ArcGIS-based TECW Tracker program | 6 weeks | 
| Readiness to engage in regulatory behavior | Questions adapted from Pulvers (2022); scores range from 1-5; higher scores reflect greater regulatory readiness | 6 weeks |