Table 1 Search strategy keywords, alternative terms, and database-specific search terms^a

1. Trauma-informed

trauma-informed OR trauma-sensitive OR trauma-aware^a OR posttrauma^a OR adverse childhood experience^a OR child maltreatment

‘Stress disorders, Post-Traumatic’ OR ‘Child Abuse’ OR ‘Psychological Trauma’ OR ‘Adverse Childhood Experiences’

‘Trauma’ OR ‘Trauma-Informed Care’ OR ‘Emotional Trauma’ OR ‘child Abuse’ OR ‘Childhood Adversity’

‘Posttraumatic Stress Disorder’ OR ‘Childhood Adversity’ OR ‘Psychotrauma’ OR ‘Child Abuse’

‘Adverse Childhood Experiences’ OR ‘Psychological Trauma’ OR ‘Child Abuse’

2. Mental ill-health

mental health OR depressi^a OR anxi^a

Mental Health OR Depression OR Anxiety OR Anxiety Disorders

Depression (Emotion) OR Anxiety OR Anxiety Disorders

Depression OR Anxiety OR Anxiety Disorder

Depression OR Anxiety OR Anxiety Disorders

3. “Substance use^a”

substance-use^a OR alcohol misuse^a OR cannabis^a OR tobacco^a OR vaping^a OR electronic cigarette^a OR e-cigarette^a OR illicit drug^a OR “methamphetamine^a” OR ecstasy^a OR opioid^a OR alcohol^a OR amphetamine OR cocaine^a OR opiate^a OR heroin^a OR inhalant^a OR marijuana OR LSD OR MDMA OR GHB OR ketamine OR kava OR steroid^a OR NPS OR hallucinogen^a OR benzodiazepine^a OR stimulant^a

‘Substance-Related Disorders’[MeSH]

‘Substance Use Disorder’ OR ‘Substance Use Prevention’

‘Substance Use’ OR ‘Substance Abuse’

‘Substance Use Disorders’ OR ‘Substance USE’

4. Prevention

prevention OR education^a OR program^a OR campaign^a OR curriculum^a

‘Primary Prevention’[MeSH] OR ‘Secondary Prevention’[MeSH] OR ((health^a OR prevention^a OR education^a) adj3 (program^a OR design^a OR implementat^a OR evaluat^a OR strateg^a OR initiative^a OR campaign^a OR promot^a OR curriculum^a OR policy OR policies))

‘Harm Reduction’ OR ‘Prevention’ OR ‘Relapse Prevention’ OR ((health^a OR prevention^a OR education^a) adj3 (program^a OR design^a OR implementation^a OR evaluation^a OR strateg^a OR initiative^a OR campaign^a OR promot^a OR curriculum^a))

‘Prevention’ OR ‘Prevention Study’ OR ‘Primary Prevention’ OR ‘Secondary Prevention’ OR ‘Smoking Prevention’ OR ((health^a OR prevention^a OR education^a) adj3 (program^a OR design^a OR implementation^a OR evaluation^a OR strateg^a OR initiative^a OR campaign^a OR promot^a OR curriculum^a))

‘Substance Use Prevention’

5. Young people

youth OR adolescen^a OR teen^a OR “young people” OR child OR “young adult^a”

Adolescent OR Young Adult OR Child

Adolescent OR Child OR Young Adult

Young Adult OR Child