The Therapy Subjective Norms Questionnaire is a six-item measure of caregiver perception of subjective norms for seeking cognitive behavioral therapy. Items are rated on a scale ranging from 1 (strongly disagree) to 7 (strongly agree). Items are summed to create a total score (range = 6 - 42); higher scores indicate more positive subjective norms about seeking therapy.

The Caregiver Attitudes about Cognitive Behavioral Therapy includes 18 strategies used in cognitive behavioral therapy for youth anxiety. Participants rate how helpful they believe each strategy would be for treating their child on a five-point scale ranging from 1 (very unhelpful) to 5 (very helpful). Items are summed to create a total score (range = 18 - 90); higher scores indicate more favorable attitudes.

The Parents' Internalized Stigma of Mental Illness Scale (PISMIS) assesses caregiver perception of internalized stigma for having a youth with a mental illness (Zisman-Ilani et al., 2013). Participants rate 10 statements on a scale ranging from 1 (strongly disagree) to 4 (strongly agree); some items are reverse scored. Items are summed to create a total score (range = 10-40); higher scores indicate higher levels of family stigma.

The Barriers to Seeking Treatment questionnaire asks participants to indicate whether they agree with 21 potential barriers to treatment (yes/no). A count of the total number of barriers will be used in analyses.

The Client Satisfaction Questionnaire assesses participants' satisfaction with the presentation. Items are rated on scale ranging from 1 to 4. Items are summed; higher composite scores indicate greater program satisfaction.

The Relatability Evaluation will be used to evaluate participants' impression of the presenter. Participants will rate each presenter (scale ranging from 1 to 5) on 10 items associated with aspects of key opinion leaders: relatable, likeable, similar, think similarly, similar beliefs, credible, trustworthy, understanding of the local community, familiar, and friendship. Items are summed; higher composite scores indicate that the presenter is more relatable.

The total anxiety scale (15 items) from the Brief Revised Child Anxiety and Depression Scale-Parent Version will be used to assess youth anxiety (Ebesutani et al., 2017). Participants rate items on a scale from 0 (never) to 3 (always). Items are summed; higher scores indicate higher levels of anxiety.

A demographics questionnaire will assess caregiver and youth age, gender, race, ethnicity, and nativity; caregiver level of education, income, and religion; and youth health insurance status.

A content checklist will assess the core components of the presentation, as well as presenter and audience member self-disclosure about experiencing receiving therapy for themselves or their child (yes/no). Self-disclosure will be considered to have been made if either the presenter or an audience member self-discloses about their experiences.

A qualitative interview will ask participants about the following topics: (1) their perception of presenters; (2) ways in which the presenters affected their decision to seek treatment; (3) factors they considered when seeking treatment; (4) strategies they have used from the presentation; (5) their perception of exposure therapy; and (6) general ways that the mental health system could be improved to improve access to therapy.

The key opinion leader (KOL) co-facilitated presentations will include the same core principles as the researcher-facilitated presentation but may vary by school in terms of specific examples and content emphasized based on KOL feedback. A caregiver KOL from the local community (selected by the parent teacher association or a similar group) will co-facilitate the presentation with a clinical psychology graduate researcher.

Supporting Anxious Youth: Strategies for Caregivers: The outreach presentation will last 75 minutes with an additional 15 minutes for caregiver questions. The presentations will occur in the evening via Zoom. The presentation will include information about identifying anxiety disorders, strategies for caregivers to help their youth with anxiety, evidence-based practices to treat youth anxiety, and strategies for finding a therapist who uses cognitive behavior therapy with exposures. The text on the presentations is written at a 5.3 grade reading level. Presentations will incorporate stigma reduction strategies, such as education to dispel myths, and behavioral decision-making tools to elicit hope, empowerment, and motivation.

Total of all reporting groups

1 participant chose not to disclose their sex

Category options were not mutually exclusive; respondents could select multiple races/ethnicities

The key opinion leader (KOL) co-facilitated presentations will include the same core principles as the researcher-facilitated presentation but may vary by school in terms of specific examples and content emphasized based on KOL feedback. A caregiver KOL from the local community (selected by the parent teacher association or a similar group) will co-facilitate the presentation with a clinical psychology graduate researcher.

Supporting Anxious Youth: Strategies for Caregivers: The outreach presentation will last 75 minutes with an additional 15 minutes for caregiver questions. The presentations will occur in the evening via Zoom. The presentation will include information about identifying anxiety disorders, strategies for caregivers to help their youth with anxiety, evidence-based practices to treat youth anxiety, and strategies for finding a therapist who uses cognitive behavior therapy with exposures. The text on the presentations is written at a 5.3 grade reading level. Presentations will incorporate stigma reduction strategies, such as education to dispel myths, and behavioral decision-making tools to elicit hope, empowerment, and motivation.

Participants indicate whether they sought exposure therapy for their child since the presentation. Participants were first ask if they sought therapy for their child. If yes, they were asked if they sought exposure therapy for their child (options were yes, no, unsure). The count provided is the number of participants that responded "yes" they sought exposure therapy for their child.

The Parent Engagement in Evidence-Based Services Questionnaire, Knowledge subscale assesses caregiver perceived understanding of how to seek evidence-based practice. Participants rate five items on a ranging from 1 (strongly disagree) to 5 (strongly agree). Items are averaged to create the Parent Engagement in Evidence-Based Services Questionnaire, Knowledge subscale (subscale range = 1-5); higher scores indicate higher levels of perceived knowledge about seeking evidence-based practice.

The overall number of participants analyzed is greater than the number of participants who completed the pre-presentation questionnaires because some participants completed this measure, but not the entire pre-presentation questionnaire battery. The data reported includes responses from all participants who completed the measure.

The Therapy Subjective Norms Questionnaire is a six-item measure of caregiver perception of subjective norms for seeking cognitive behavioral therapy. Items are rated on a scale ranging from 1 (strongly disagree) to 7 (strongly agree). Items are summed to create a total score (range = 6 - 42); higher scores indicate more positive subjective norms about seeking therapy.

The overall number of participants analyzed is greater than the number of participants who completed the pre-presentation questionnaires because some participants completed this measure, but not the entire pre-presentation questionnaire battery. The data reported includes responses from all participants who completed the measure.

The Caregiver Attitudes about Cognitive Behavioral Therapy includes 18 strategies used in cognitive behavioral therapy for youth anxiety. Participants rate how helpful they believe each strategy would be for treating their child on a five-point scale ranging from 1 (very unhelpful) to 5 (very helpful). Items are summed to create a total score (range = 18 - 90); higher scores indicate more favorable attitudes.

The number of participants analyzed is greater than the number of participants who completed the pre-presentation questionnaires because some participants completed this measure, but not the entire pre-presentation questionnaire battery. The data reported includes responses from all participants who completed the measure.

The Parents' Internalized Stigma of Mental Illness Scale (PISMIS) assesses caregiver perception of internalized stigma for having a youth with a mental illness (Zisman-Ilani et al., 2013). Participants rate 10 statements on a scale ranging from 1 (strongly disagree) to 4 (strongly agree); some items are reverse scored. Items are summed to create a total score (range = 10-40); higher scores indicate higher levels of family stigma.

The number of participants analyzed is greater than the number of participants who completed the pre-presentation questionnaires because some participants completed this measure, but not the entire pre-presentation questionnaire battery. The data reported includes responses from all participants who completed the measure.

The Barriers to Seeking Treatment questionnaire asks participants to indicate whether they agree with 21 potential barriers to treatment (yes/no). A count of the total number of barriers will be used in analyses.

The Barriers to Seeking Treatment questionnaire asks participants to indicate whether they agree with 21 potential barriers to treatment (yes/no). A count of the total number of barriers will be used in analyses.

The Client Satisfaction Questionnaire assesses participants' satisfaction with the presentation. Items are rated on scale ranging from 1 to 4. Items are summed; higher composite scores indicate greater program satisfaction.

The Relatability Evaluation will be used to evaluate participants' impression of the presenter. Participants will rate each presenter (scale ranging from 1 to 5) on 10 items associated with aspects of key opinion leaders: relatable, likeable, similar, think similarly, similar beliefs, credible, trustworthy, understanding of the local community, familiar, and friendship. Items are summed; higher composite scores indicate that the presenter is more relatable.

The total anxiety scale (15 items) from the Brief Revised Child Anxiety and Depression Scale-Parent Version will be used to assess youth anxiety (Ebesutani et al., 2017). Participants rate items on a scale from 0 (never) to 3 (always). Items are summed; higher scores indicate higher levels of anxiety.

A demographics questionnaire will assess caregiver and youth age, gender, race, ethnicity, and nativity; caregiver level of education, income, and religion; and youth health insurance status.

A content checklist will assess the core components of the presentation, as well as presenter and audience member self-disclosure about experiencing receiving therapy for themselves or their child (yes/no). Self-disclosure will be considered to have been made if either the presenter or an audience member self-discloses about their experiences.

A qualitative interview will ask participants about the following topics: (1) their perception of presenters; (2) ways in which the presenters affected their decision to seek treatment; (3) factors they considered when seeking treatment; (4) strategies they have used from the presentation; (5) their perception of exposure therapy; and (6) general ways that the mental health system could be improved to improve access to therapy.

The key opinion leader (KOL) co-facilitated presentations will include the same core principles as the researcher-facilitated presentation but may vary by school in terms of specific examples and content emphasized based on KOL feedback. A caregiver KOL from the local community (selected by the parent teacher association or a similar group) will co-facilitate the presentation with a clinical psychology graduate researcher.

Supporting Anxious Youth: Strategies for Caregivers: The outreach presentation will last 75 minutes with an additional 15 minutes for caregiver questions. The presentations will occur in the evening via Zoom. The presentation will include information about identifying anxiety disorders, strategies for caregivers to help their youth with anxiety, evidence-based practices to treat youth anxiety, and strategies for finding a therapist who uses cognitive behavior therapy with exposures. The text on the presentations is written at a 5.3 grade reading level. Presentations will incorporate stigma reduction strategies, such as education to dispel myths, and behavioral decision-making tools to elicit hope, empowerment, and motivation.