Caregiver-Adolescent Dating Violence Prevention Intervention Pilot Trial

Acceptability of Intervention Measure: Mean value of 4 items. Each question uses a five-point Likert scale for responses, coded with a value from 1 (Completely disagree) to 5 (Completely agree) and averaged to produce the mean value. The higher the computed mean value, the greater acceptability of the intervention.

Trial Consent Rate: % of individuals who assented/consented to participate out of individuals who screened eligible

Trial Baseline Participation Rate: % of individuals who completed the baseline survey out of individuals who assented/consented to participate

Trial Intervention Demand: % of intervention arm participants who complete the intervention

Trial Retention Rate: % of participants who complete each followup survey

Recognition of Abusive Behaviors Scale: Mean of the 8 items that use 5-point Likert response options, where higher scores indicate greater recognition of abusive behaviors.

Attitudes Towards Diverse Identities and Expressions: Mean value of 6 items about sexual diverse youth and mean value of 7 items about gender diverse youth. Items use 5-point Likert scales. Higher average scores indicate more positive attitudes.

Attitudes Towards Diverse Identities and Expressions: Mean value of 6 items about sexual diverse youth and mean value of 7 items about gender diverse youth. Items use 5-point Likert scales. Higher average scores indicate more positive attitudes.

Sexuality-related parenting practice confidence: Mean value of the sexuality-related parenting practice confidence subscale containing 17 items that uses a 10-point Likert scale, wherein higher mean values indicate greater confidence.

Affirmative Caregiving Self-Efficacy Inventory: Mean value of 20-item scale using 5-point Likert response options designed to assess caregivers' confidence in their abilities to engage in affirmative caregiver practices with SGDY. Higher mean values indicate greater self-efficacy.

Motivation change ruler: The motivation change ruler assesses motivation for preventing ARA and engaging in monitoring activities with a total of 4 items and Likert scale response option. Each item will be used individually, and higher values indicate greater motivation.

Utilization of dating/ARA resources: Utilization of dating/ARA resources is assessed using 6 items with Likert scale response options. Higher scores indicate greater utilization of dating/ARA resources.

Exposure to opportunities for engaging in dating/ARA monitoring activities is assessed using 5 with Likert scale response options. Higher scores indicate greater exposures to opportunities for engaging in dating/ARA monitoring activities.

Mean value of the 18 items using Likert scale response options, wherein higher schools indicate greater positive parenting practices.

LGBTQ Caregiver Acceptance Scale: Mean values will be calculated for each of the subscales, which include outness (10 items), caregiver acceptance (6 items), concealment (6 items), respect (9 items), attitudes toward parenting SGDY (4 items), supportive action (5 items). Response options use a 6-point Likert scale. Higher mean values indicate greater levels of positive outcomes, except for concealment where lower values indicate positive outcomes.

5 item investigator developed measure around parent-adolescent communication on dating and dating violence. Summary score, higher mean is more communication

Measure of Adolescent Relationship Harassment and Abuse (MARSHA): Developed specifically by and for marginalized youth including SGDY, MARSHA assesses the frequency adolescent relationship abuse among adolescents. MARSHA included items assessing ARA victimization (39) and perpetration (39) frequency, with subscales pertain to privacy control, social control, physical abuse, sexual abuse, and intimidation. Response options include: 0 times, 1-3 times, 4-10 times, more than 10 times. Summary scores are created for each subscale by dichotomizing the items (0 vs 1) and adding them together. Higher scores indicate greater ARA.