Table 1.

Content of standardized questionnaires (pre intervention and post intervention).

Outcome	Questionnaire	Rater
Depression literacy	Adolescent Depression Knowledge Questionnaire [24]	Child self-report; parent/carer self-report
Depression stigma	Depression Stigma Scale [25]	Child self-report; parent/carer self-report
Help-seeking behavior	General Help-Seeking Questionnaire [26]	Child self-report
Self-efficacy	Self-Efficacy Questionnaire for Depression in Adolescents [27]	Child self-report
Behavioral activation	Behavioral Activation for Depression Scale [28]	Child self-report
Depression symptoms (child)	Mood and Feelings Questionnaire [29]	Child self-report; parent/carer about child
Anxiety symptoms	Screen for Child Anxiety Related Emotional Disorders [30]	Child self-report; parent/carer about child
General behavior, strengths, and difficulties	Strengths and Difficulties Questionnaire [31]	Child self-report; parent/carer about child
Depression and anxiety symptoms (parent or carer)	Hospital Anxiety and Depression Scale [32]	Parent/carer self-report