Table 2.

List of screening and baseline assessments for aim 2.

Construct	Name of questionnaire and reference	Number of items	Screening	Baseline
Demographics	Age, sex, and school name	—a	✓	—
Depression	Patient Health Questionnaire-2, Richardson et al [58]	2	✓	—
Anxiety	Generalized Anxiety Disorder-7, Bentley et al [65]	2	✓	—
Substance misuse	Screening to Brief Intervention scale, Levy et al [66]	7	—	✓
Substance use risk	Car, Relax, Alone, Forget, Friends, Trouble (CRAFFT) scale, Knight et al [70]	6	✓	—
Emotion regulation	Difficulties in Emotion Regulation Scale–Short Form, Kaufman et al [67]	18	—	✓
Cognitive function	Teenage Executive Function Inventory Scale, Thorell et al [68]	20	—	✓
Impulsivity	Urgency, Premeditation (lack of), Perseverance (lack of), Sensation Seeking, Positive Urgency, Impulsive Behavior scale, Pechorro et al [69]	20	—	✓
Self-efficacy to refuse drugs	Drug Use Resistance Self-Efficacy scale, Carpenter and Howard [48]	24	—	✓

^aNot applicable.