xml: <clinical_study>
    <!-- This xml conforms to an XML Schema at:
      https://clinicaltrials.gov/ct2/html/images/info/public.xsd -->
    <required_header>
      <download_date>ClinicalTrials.gov processed this data on September 20, 2023</download_date>
      <link_text>Link to the current ClinicalTrials.gov record.</link_text>
      <url>https://clinicaltrials.gov/ct2/show/NCT05985538</url>
    </required_header>
    <id_info>
      <org_study_id>20-1245</org_study_id>
      <secondary_id>5R01DA049155-02</secondary_id>
      <nct_id>NCT05985538</nct_id>
    </id_info>
    <brief_title>Impact of E-Cigarette Prevention Messages on Adolescents</brief_title>
    <official_title>Impact of E-Cigarette Prevention Messages on Adolescents</official_title>
    <sponsors>
      <lead_sponsor>
        <agency>UNC Lineberger Comprehensive Cancer Center</agency>
        <agency_class>Other</agency_class>
      </lead_sponsor>
      <collaborator>
        <agency>National Institute on Drug Abuse (NIDA)</agency>
        <agency_class>NIH</agency_class>
      </collaborator>
      <collaborator>
        <agency>Food and Drug Administration (FDA)</agency>
        <agency_class>U.S. Fed</agency_class>
      </collaborator>
    </sponsors>
    <source>UNC Lineberger Comprehensive Cancer Center</source>
    <oversight_info>
      <has_dmc>Yes</has_dmc>
      <is_fda_regulated_drug>No</is_fda_regulated_drug>
      <is_fda_regulated_device>No</is_fda_regulated_device>
    </oversight_info>
    <brief_summary>
      <textblock>
        The purpose of this trial is to determine whether a vaping prevention text message program&#xD;
        reduces susceptibility to vaping among adolescents and young adults. This study addresses&#xD;
        this issue by exposing participants to a vaping prevention text message program over a 28-day&#xD;
        period in a randomized controlled trial with a matched attention control condition. A&#xD;
        follow-up assessment is also made 4 weeks after the text messaging ends.&#xD;
      </textblock>
    </brief_summary>
    <detailed_description>
      <textblock>
        Tobacco prevention communication is a key tool for reducing tobacco use among adolescents and&#xD;
        young adults. While the use of e-cigarettes and vaping has increased greatly among&#xD;
        adolescents and young adults, there has been a dearth of research on effective communication&#xD;
        strategies to reduce vaping. This study will test the impact of a text-messaging program on&#xD;
        reducing susceptibility to vaping in a randomized controlled trial, illuminating whether such&#xD;
        programs can be effective. The investigators focus on adolescents and young adults (ages&#xD;
        13-20) who currently vape or who are at risk of vaping.&#xD;
  &#xD;
        Participants will be randomly assigned to receive either a vaping prevention text message&#xD;
        program or a wellness text message program (control). Participants in the study will take 4&#xD;
        online surveys over an 8-week period - at Visit 1 (baseline), Visit 2 (2 weeks), Visit 3 (4&#xD;
        weeks), and Visit 4 (8 weeks).&#xD;
      </textblock>
    </detailed_description>
    <overall_status>Not yet recruiting</overall_status>
    <start_date type="Anticipated">October 1, 2023</start_date>
    <completion_date type="Anticipated">December 31, 2024</completion_date>
    <primary_completion_date type="Anticipated">December 31, 2024</primary_completion_date>
    <phase>N/A</phase>
    <study_type>Interventional</study_type>
    <has_expanded_access>No</has_expanded_access>
    <study_design_info>
      <allocation>Randomized</allocation>
      <intervention_model>Parallel Assignment</intervention_model>
      <primary_purpose>Prevention</primary_purpose>
      <masking>None (Open Label)</masking>
    </study_design_info>
    <primary_outcome>
      <measure>Mean susceptibility to vaping score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean susceptibility to vaping score will be assessed using the questionnaire. Response options are on a 1 to 4 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-4), with higher scores representing a higher tendency.</description>
    </primary_outcome>
    <secondary_outcome>
      <measure>Mean vaping instrumental attitudes score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping instrumental attitudes score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing a higher tendency.</description>
    </secondary_outcome>
    <other_outcome>
      <measure>Mean vaping affective attitudes score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>.The mean vaping affective attitudes score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing more enjoyable.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping addiction risk beliefs score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping addiction risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing more tendency to addiction.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping monetary cost beliefs score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping monetary cost beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represents participants' believes that vaping is a costly activity.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping chemical risk beliefs score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping chemical risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing participant's believes that e-cigarette vapor contains chemicals that pose health risks.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping cosmetic risk beliefs score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping cosmetic risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing participant belief that use will harm their cosmetic appearance.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping physical symptoms</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping physical symptoms of use beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represent participant believes that e-cigarette use will cause certain physical symptoms.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping mental health symptoms of use beliefs score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping mental health symptoms of use beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represent participant believes that e-cigarette use will cause or worsen mental health symptoms.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping health organ risk beliefs score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean vaping health organ risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing participant believes that e-cigarette use will harm the health of certain organs.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean susceptibility to smoking cigarettes score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The mean susceptibility to smoking cigarettes score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represent participant more open to smoking.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean smoking instrumental attitude score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The 1-item mean smoking instrumental attitude measure assesses a participant's attitude toward smoking. Response options are on a 1 to 5 scale, with higher scores representing a harmful attitude.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean smoking affective attitude score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The 1-item mean smoking affective attitude measure assesses a participant's attitude toward smoking (unenjoyable/enjoyable). Response options are on a 1 to 5 scale, with higher scores representing a higher amount of the construct.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean smoking addiction risk belief score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The 1-item mean smoking addiction risk belief measure assesses the extent to which a participant believes that smoking will lead to addiction. Response options are on a 1 to 5 scale, with higher scores representing beliefs that smoking will lead to addiction.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean smoking health harm risk belief score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The 1-item mean smoking health harm risk belief measure assesses the extent to which a participant believes that smoking will lead to health harm. Response options are on a 1 to 5 scale, with higher scores representing higher beliefs that smoking will cause to addiction.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping injunctive norms score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The 3-item mean vaping injunctive norms scale assesses a participant's perception of others' approval or disapproval of their vaping behavior. Response options are on a 1 to 5 scale. Overall scores are determined by summing the scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing a participant's perception of others' approval.</description>
    </other_outcome>
    <other_outcome>
      <measure>Mean vaping refusal self-efficacy score</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>The 3-item mean vaping refusal self-efficacy scale assesses a participant's confidence that they could refuse to vape in a social situation. Response options are on a 1 to 5 scale. Overall scores are determined by summing the scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing a higher amount of refuse to vape in a social situation.</description>
    </other_outcome>
    <other_outcome>
      <measure>Frequency of vaping</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>Participants will be asked the number of days they vaped over the past 30 days, with higher scores indicating more days vaped.</description>
    </other_outcome>
    <other_outcome>
      <measure>Frequency of cigarette smoking</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>Participants will be asked the number of days they smoked cigarettes over the past 30 days, with higher scores indicating more days smoked.</description>
    </other_outcome>
    <other_outcome>
      <measure>Participants will be asked if they used other tobacco products</measure>
      <time_frame>Visit 3 (4 weeks)</time_frame>
      <description>Participants will be asked if they used other tobacco products (OTP) over the past 30 days. OTP use will be determined as follows: 0 days = person who doesn't use OTPs; 1 or more days = person who uses OTPs</description>
    </other_outcome>
    <number_of_arms>2</number_of_arms>
    <enrollment type="Anticipated">500</enrollment>
    <condition>Vaping Behavior</condition>
    <arm_group>
      <arm_group_label>Vaping prevention text messages</arm_group_label>
      <arm_group_type>Experimental</arm_group_type>
      <description>Participants will receive text messages (2 daily, on average) about the harms of e-cigarette use and vaping for 28 days, with introductory messages sent on day 1 and concluding messages sent on day 28.</description>
    </arm_group>
    <arm_group>
      <arm_group_label>Wellness behavior text messages</arm_group_label>
      <arm_group_type>Active Comparator</arm_group_type>
      <description>Participants will receive text messages (2 daily, on average) about general wellness topics, with introductory messages sent on day 1 and concluding messages sent on day 28.</description>
    </arm_group>
    <intervention>
      <intervention_type>Behavioral</intervention_type>
      <intervention_name>Vaping prevention text messages</intervention_name>
      <description>Participants will receive text messages (2 daily, on average) about the harms of e-cigarette use and vaping for 28 days, with introductory messages sent on day 1 and concluding messages sent on day 28. Each vaping prevention text message will focus on one of six topics: nicotine addiction, monetary costs of vaping, chemical exposures from e-cigarette vapor, cosmetic effects of vaping, mental and physical use symptoms of vaping, and health impact on organs from vaping. Some text messages will ask participants for a reply (i.e., two-way messages).</description>
      <arm_group_label>Vaping prevention text messages</arm_group_label>
    </intervention>
    <intervention>
      <intervention_type>Behavioral</intervention_type>
      <intervention_name>Wellness behaviors text messages</intervention_name>
      <description>Participants will receive text messages (2 daily, on average) about general wellness topics, with introductory messages sent on day 1 and concluding messages sent on day 28. Each wellness text message will focus on one of six topics: sleep hygiene, safe driving, sun safety, study habits, nutrition, and exercise. This attention control condition is matched with the intervention condition in that participants will receive the same number of text messages over the same number of days, the same intervention structure (e.g., 6 topics), and the same number and types of two-way messages.</description>
      <arm_group_label>Wellness behavior text messages</arm_group_label>
    </intervention>
    <eligibility>
      <criteria>
        <textblock>
          Inclusion Criteria:&#xD;
  &#xD;
            -  Ages 13-20 years old (inclusive)&#xD;
  &#xD;
            -  Have a phone that sends and receives text messages&#xD;
  &#xD;
            -  Ever vaped or are susceptible to using e-cigarettes or vaping&#xD;
  &#xD;
          Exclusion Criteria:&#xD;
  &#xD;
            -  None&#xD;
        </textblock>
      </criteria>
      <gender>All</gender>
      <minimum_age>13 Years</minimum_age>
      <maximum_age>20 Years</maximum_age>
      <healthy_volunteers>Accepts Healthy Volunteers</healthy_volunteers>
    </eligibility>
    <overall_official>
      <last_name>Seth Noar, PhD</last_name>
      <role>Principal Investigator</role>
      <affiliation>UNC Lineberger Comprehensive Cancer Center</affiliation>
    </overall_official>
    <overall_contact>
      <last_name>Seth Noar, PhD</last_name>
      <phone>(919) 260-7269</phone>
      <email>noar@unc.edu</email>
    </overall_contact>
    <overall_contact_backup>
      <last_name>Caroline Ritchie</last_name>
      <phone>919 966 3036</phone>
      <email>Caroline_Ritchie@med.unc.edu</email>
    </overall_contact_backup>
    <location>
      <facility>
        <name>University of North Carolina, Chapel Hill</name>
        <address>
          <city>Chapel Hill</city>
          <state>North Carolina</state>
          <zip>27599</zip>
          <country>United States</country>
        </address>
      </facility>
      <contact>
        <last_name>Seth Noar, PhD</last_name>
        <phone>919-962-4075</phone>
        <email>noar@unc.edu</email>
      </contact>
    </location>
    <location_countries>
      <country>United States</country>
    </location_countries>
    <link>
      <url>http://unclineberger.org/patientcare/clinical-trials/clinical-trials</url>
      <description>University of North Carolina Lineberger Comprehensive Cancer Center Clinical Trials</description>
    </link>
    <verification_date>June 2023</verification_date>
    <study_first_submitted>August 2, 2023</study_first_submitted>
    <study_first_submitted_qc>August 2, 2023</study_first_submitted_qc>
    <study_first_posted type="Actual">August 14, 2023</study_first_posted>
    <last_update_submitted>August 2, 2023</last_update_submitted>
    <last_update_submitted_qc>August 2, 2023</last_update_submitted_qc>
    <last_update_posted type="Actual">August 14, 2023</last_update_posted>
    <responsible_party>
      <responsible_party_type>Sponsor</responsible_party_type>
    </responsible_party>
    <keyword>Health communication</keyword>
    <keyword>Tobacco use</keyword>
    <keyword>vaping prevention</keyword>
    <!-- Results have not yet been posted for this study                                          -->
  </clinical_study>
  
  
text: download date: ClinicalTrials.gov processed this data on September 20, 2023
  link text: Link to the current ClinicalTrials.gov record.
  url: https://clinicaltrials.gov/ct2/show/NCT05985538
  org study id: 20-1245
  secondary id: 5R01DA049155-02
  nct id: NCT05985538
  lead sponsor: 
  collaborator: 
  collaborator: 
  has dmc: Yes
  is fda regulated drug: No
  is fda regulated device: No
  The purpose of this trial is to determine whether a vaping prevention text message program
        reduces susceptibility to vaping among adolescents and young adults. This study addresses
        this issue by exposing participants to a vaping prevention text message program over a 28-day
        period in a randomized controlled trial with a matched attention control condition. A
        follow-up assessment is also made 4 weeks after the text messaging ends.
  Tobacco prevention communication is a key tool for reducing tobacco use among adolescents and
        young adults. While the use of e-cigarettes and vaping has increased greatly among
        adolescents and young adults, there has been a dearth of research on effective communication
        strategies to reduce vaping. This study will test the impact of a text-messaging program on
        reducing susceptibility to vaping in a randomized controlled trial, illuminating whether such
        programs can be effective. The investigators focus on adolescents and young adults (ages
        13-20) who currently vape or who are at risk of vaping.
  
        Participants will be randomly assigned to receive either a vaping prevention text message
        program or a wellness text message program (control). Participants in the study will take 4
        online surveys over an 8-week period - at Visit 1 (baseline), Visit 2 (2 weeks), Visit 3 (4
        weeks), and Visit 4 (8 weeks).
  allocation: Randomized
  intervention model: Parallel Assignment
  primary purpose: Prevention
  masking: None (Open Label)
  measure: Mean susceptibility to vaping score
  time frame: Visit 3 (4 weeks)
  description: The mean susceptibility to vaping score will be assessed using the questionnaire. Response options are on a 1 to 4 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-4), with higher scores representing a higher tendency.
  measure: Mean vaping instrumental attitudes score
  time frame: Visit 3 (4 weeks)
  description: The mean vaping instrumental attitudes score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing a higher tendency.
  measure: Mean vaping affective attitudes score
  time frame: Visit 3 (4 weeks)
  description: .The mean vaping affective attitudes score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing more enjoyable.
  measure: Mean vaping addiction risk beliefs score
  time frame: Visit 3 (4 weeks)
  description: The mean vaping addiction risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing more tendency to addiction.
  measure: Mean vaping monetary cost beliefs score
  time frame: Visit 3 (4 weeks)
  description: The mean vaping monetary cost beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represents participants' believes that vaping is a costly activity.
  measure: Mean vaping chemical risk beliefs score
  time frame: Visit 3 (4 weeks)
  description: The mean vaping chemical risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing participant's believes that e-cigarette vapor contains chemicals that pose health risks.
  measure: Mean vaping cosmetic risk beliefs score
  time frame: Visit 3 (4 weeks)
  description: The mean vaping cosmetic risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing participant belief that use will harm their cosmetic appearance.
  measure: Mean vaping physical symptoms
  time frame: Visit 3 (4 weeks)
  description: The mean vaping physical symptoms of use beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represent participant believes that e-cigarette use will cause certain physical symptoms.
  measure: Mean vaping mental health symptoms of use beliefs score
  time frame: Visit 3 (4 weeks)
  description: The mean vaping mental health symptoms of use beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represent participant believes that e-cigarette use will cause or worsen mental health symptoms.
  measure: Mean vaping health organ risk beliefs score
  time frame: Visit 3 (4 weeks)
  description: The mean vaping health organ risk beliefs score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing participant believes that e-cigarette use will harm the health of certain organs.
  measure: Mean susceptibility to smoking cigarettes score
  time frame: Visit 3 (4 weeks)
  description: The mean susceptibility to smoking cigarettes score will be assessed using the questionnaire. Response options are on a 1 to 5 scale. Overall scale scores are determined by summing scores of the 3 items and dividing them by 3 (range 1-5), with higher scores represent participant more open to smoking.
  measure: Mean smoking instrumental attitude score
  time frame: Visit 3 (4 weeks)
  description: The 1-item mean smoking instrumental attitude measure assesses a participant's attitude toward smoking. Response options are on a 1 to 5 scale, with higher scores representing a harmful attitude.
  measure: Mean smoking affective attitude score
  time frame: Visit 3 (4 weeks)
  description: The 1-item mean smoking affective attitude measure assesses a participant's attitude toward smoking (unenjoyable/enjoyable). Response options are on a 1 to 5 scale, with higher scores representing a higher amount of the construct.
  measure: Mean smoking addiction risk belief score
  time frame: Visit 3 (4 weeks)
  description: The 1-item mean smoking addiction risk belief measure assesses the extent to which a participant believes that smoking will lead to addiction. Response options are on a 1 to 5 scale, with higher scores representing beliefs that smoking will lead to addiction.
  measure: Mean smoking health harm risk belief score
  time frame: Visit 3 (4 weeks)
  description: The 1-item mean smoking health harm risk belief measure assesses the extent to which a participant believes that smoking will lead to health harm. Response options are on a 1 to 5 scale, with higher scores representing higher beliefs that smoking will cause to addiction.
  measure: Mean vaping injunctive norms score
  time frame: Visit 3 (4 weeks)
  description: The 3-item mean vaping injunctive norms scale assesses a participant's perception of others' approval or disapproval of their vaping behavior. Response options are on a 1 to 5 scale. Overall scores are determined by summing the scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing a participant's perception of others' approval.
  measure: Mean vaping refusal self-efficacy score
  time frame: Visit 3 (4 weeks)
  description: The 3-item mean vaping refusal self-efficacy scale assesses a participant's confidence that they could refuse to vape in a social situation. Response options are on a 1 to 5 scale. Overall scores are determined by summing the scores of the 3 items and dividing them by 3 (range 1-5), with higher scores representing a higher amount of refuse to vape in a social situation.
  measure: Frequency of vaping
  time frame: Visit 3 (4 weeks)
  description: Participants will be asked the number of days they vaped over the past 30 days, with higher scores indicating more days vaped.
  measure: Frequency of cigarette smoking
  time frame: Visit 3 (4 weeks)
  description: Participants will be asked the number of days they smoked cigarettes over the past 30 days, with higher scores indicating more days smoked.
  measure: Participants will be asked if they used other tobacco products
  time frame: Visit 3 (4 weeks)
  description: Participants will be asked if they used other tobacco products (OTP) over the past 30 days. OTP use will be determined as follows: 0 days = person who doesn't use OTPs; 1 or more days = person who uses OTPs
  arm group label: Vaping prevention text messages
  arm group type: Experimental
  description: Participants will receive text messages (2 daily, on average) about the harms of e-cigarette use and vaping for 28 days, with introductory messages sent on day 1 and concluding messages sent on day 28.
  arm group label: Wellness behavior text messages
  arm group type: Active Comparator
  description: Participants will receive text messages (2 daily, on average) about general wellness topics, with introductory messages sent on day 1 and concluding messages sent on day 28.
  intervention type: Behavioral
  intervention name: Vaping prevention text messages
  description: Participants will receive text messages (2 daily, on average) about the harms of e-cigarette use and vaping for 28 days, with introductory messages sent on day 1 and concluding messages sent on day 28. Each vaping prevention text message will focus on one of six topics: nicotine addiction, monetary costs of vaping, chemical exposures from e-cigarette vapor, cosmetic effects of vaping, mental and physical use symptoms of vaping, and health impact on organs from vaping. Some text messages will ask participants for a reply (i.e., two-way messages).
  arm group label: Vaping prevention text messages
  intervention type: Behavioral
  intervention name: Wellness behaviors text messages
  description: Participants will receive text messages (2 daily, on average) about general wellness topics, with introductory messages sent on day 1 and concluding messages sent on day 28. Each wellness text message will focus on one of six topics: sleep hygiene, safe driving, sun safety, study habits, nutrition, and exercise. This attention control condition is matched with the intervention condition in that participants will receive the same number of text messages over the same number of days, the same intervention structure (e.g., 6 topics), and the same number and types of two-way messages.
  arm group label: Wellness behavior text messages
  criteria: 
  gender: All
  minimum age: 13 Years
  maximum age: 20 Years
  healthy volunteers: Accepts Healthy Volunteers
  last name: Seth Noar, PhD
  role: Principal Investigator
  affiliation: UNC Lineberger Comprehensive Cancer Center
  last name: Seth Noar, PhD
  phone: (919) 260-7269
  email: noar@unc.edu
  last name: Caroline Ritchie
  phone: 919 966 3036
  email: Caroline_Ritchie@med.unc.edu
  facility: 
  contact: 
  country: United States
  url: http://unclineberger.org/patientcare/clinical-trials/clinical-trials
  description: University of North Carolina Lineberger Comprehensive Cancer Center Clinical Trials
  responsible party type: Sponsor