Social media based intervention to support teens in their efforts to quit vaping.
This study is a randomized controlled trial of a social media intervention to support teens in their efforts to quit vaping.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
500
Social media based intervention using Instagram with up to 3 posts per day for 30 days
University of California, San Francisco
San Francisco, California, United States
Point Prevalent Abstinence (PPA) from vaping
7-day point prevalence abstinence (PPA) from all tobacco products will be assessed over the course of the study. Participants reporting no vaping in the past 7 days will be coded as abstinent. Those reporting 7-day abstinence and not using nicotine replacement therapy will be mailed saliva cotinine test kit and saliva tetrahydrocannabinol (THC) test kit for biochemical verification of abstinence.
Time frame: 1 month
Point Prevalent Abstinence (PPA) from vaping
7-day point prevalence abstinence (PPA) from all tobacco products will be assessed over the course of the study. Participants reporting no vaping in the past 7 days will be coded as abstinent. Those reporting 7-day abstinence and not using nicotine replacement therapy will be mailed saliva cotinine test kit and saliva tetrahydrocannabinol (THC) test kit for biochemical verification of abstinence.
Time frame: 3 months
Point Prevalent Abstinence (PPA) from vaping
7-day point prevalence abstinence (PPA) from all tobacco products will be assessed over the course of the study. Participants reporting no vaping in the past 7 days will be coded as abstinent. Those reporting 7-day abstinence and not using nicotine replacement therapy will be mailed saliva cotinine test kit and saliva tetrahydrocannabinol (THC) test kit for biochemical verification of abstinence.
Time frame: 6 months
Change in the number of participants with reduction in vaping
Reduction in vaping is defined as a decline in vaping frequency by 50 percent (%) or more.
Time frame: Up to 6 months
Change in the number of vape quit attempts
The number of quit attempts will be recorded at each assessment.
Time frame: Up to 6 months
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Number of participants with at least 1 quit attempt
The number of participants whom achieved at least one quit attempt during the full assessment time period will be reported.
Time frame: Up to 6 months
Change in response on Stages of Change Questionnaire
The participants readiness to quit will be measured using the Stages of Change questionnaire - single item, which asks "Are you seriously thinking of quitting smoking?" Answers range from 'Yes, within the next 30 days', 'Yes, within the next 6 months', and 'No, not thinking of quitting'.
Time frame: Up to 6 months
Change in the score on the Thoughts About Abstinence (TAA) Questionnaire
The adapted Thoughts About Abstinence Questionnaire (Hall et al., 1991) is a 3 item self-report questionnaire that measures: 1) desire to quit smoking, 2) expected success at quitting, 3) expected difficulty of quitting on 10-point Likert scales (e.g., 1=no desire to quit/lowest expectation/lowest level of difficulty to 10 = extreme desire to quit/highest expectation of success/highest expected difficulty)
Time frame: Up to 6 months
Change in the scores on the Ways of Quitting questionnaire (WOQ)
The WOQ is a 28-item self-report instrument assessing adolescent smoking cessation strategies. For each WOQ item, respondents indicate whether they have used a given strategy (yes/no) and, if used, how helpful it was perceived to be on a five-point Likert-type scale (1= "Not helpful" to 5="Extremely helpful") with regard to several categories: Social support, Seeking assistance, Avoidance, Reduction, Substitution, Medication, Distraction, and Quit all at once (single item).
Time frame: Up to 6 months