Efficacy of a Multi-level School Intervention for LGBTQ Youth

Sexual Minority Stress Inventory

54-item survey across 10 domains of minority stress. Assesses experiences of minority stress among adolescents. Each statement reflects past-30-day thoughts, feelings, and situations a person may have experienced, with response options of 1 = yes and 0 = no. A total score was calculated by summing the 54 items. The total score ranged from 0-54. Higher values correspond to a worse outcome, meaning the individual in question has had more stressful experiences.

Beck Anxiety Inventory (BAI)

21-item self-report assessment of anxiety symptoms. The total score is calculated by taking the sum of the 21 items. There are five responses an individual can choose from for each item, these being "Not at all" which is scored as a 1, "Mildly, but it didn't bother me much" which is scored as a 2, "Moderately -- It wasn't pleasant at times" which is scored as a 3, "Severely -- It bothered me a lot" which is scored as a 4, and "Decline to answer" which is scored as a 5. The total score ranges from 0-63. Higher values indicate higher self-reported anxiety: Score of 0-21 indicates low anxiety, Score of 22-35 indicates moderate anxiety, Scores of 36+ indicates potentially concerning levels of anxiety. Subscales are calculated through summation.

PTSD Checklist for DSM-5 (PCL-5)

20-item self-report assessment of post-traumatic stress disorder (PTSD) symptoms which addresses all 20 DSM-5 symptoms of PTSD. A total symptom severity score can be calculated by summing the scores for each of the 20 items. Each item has five possible responses including "Not at all" which is scored as a 0, "A little bit" which is scored as a 1, "Moderately" which is scored as 2, "Quite a bit" which is scored as a 3, and "Extremely" which is scored as a 4. The potential range of scores is 0-80. Higher scores indicate a worse outcome where the individual has higher severity of PTSD symptoms.

Beck Depression Inventory

21-item self-report assessment of depression symptoms and severity of depression. The items are rated on a 4-point scale ranging from 0-3 based on the severity of each item (e.g., 0=I do not feel sad, 1=I feel sad much of the time, 2=I am sad all the time, and 3=I am so sad or unhappy that I can't stand it). The total range of scores is from 0-63. Higher values indicate a worse outcome and indicates a greater severity of depression. Scores of 0-13 indicates minimal depression, scores of 14-19 indicates mild depression, scores of 20-28 indicates moderate depression, scores of 29-63 indicates severe depression. Subscale values are achieved through summation.

Youth Risk Behavior Survey Substance Use Questions

Measures individual's usage of various substances in their lifetime and within the past 30 days as well as the ways in which individuals have used marijuana, tobacco, or nicotine in the past 30 days. Each substance is individually analyzed for both lifetime usage and past 30 day usage. Individuals can answer Yes or No for both lifetime usage and past 30 day usage. Each substance can range from 0 to the maximum number of survey responses. In addition, for marijuana, students can specify the way in which they used it with response options of smoking, vaping, edible or beverage form, or other. For nicotine and tobacco, students can specify the way in which they used it with the response options of smoking, vaping, or other. "Yes" responses indicate a worse outcome indicating that individuals have used or are currently using the substance in question.

California Healthy Kids Survey General Bullying and Gender Identity/Sexual Orientation-Based Harassment Module

Assesses students' perceptions of harassment experiences on school campus among the general student population in addition to bullying and harassment experiences on school campus specific of students who identify as, or are perceived to be, lesbian, gay, bisexual, transgender, questioning, or gender nonconforming.