Table 1.

Secondary outcome measures

Secondary outcomes	Measure description	Time point
		Baseline	MU study
Child Outcomes
Academic achievement
Academic Ability	Wide Range Achievement Test (WRAT 4) – a psychometrically sound direct measure of reading and mathematical computation [63].	_	C
Academic Competence	Academic Competence (Social Skills Improvement System (SSIS)) - 7-item scale assessing the overall academic performance, motivation, reading and mathematical ability of the student in comparison other students in the classroom [64].	_	T
Behaviour
ADHD Symptoms	ADHD Rating Scale IV - 18-item validated scale measuring the core symptoms of ADHD [58].	P, T	P, T
Problem Behaviours	Strengths and Difficulties Questionnaire (SDQ) – 25-item validated measure of behaviouraland emotional problems for childrenaged 4 to 16 years. There are 5 subscales; conduct problems, hyperactivity/inattention, emotional problems, peer problems, and prosocial behavior); a total problems score is derived from the first 4 subscales [65].	P, T	P, C, T
Social and Emotional Functioning (SEF)
SEF Problems	SDQ Subscales – 5-item emotional and peer problems subscales [65].	P, T	P, C, T
Depression	Short Version Moods and Feelings Questionnaire (SMFQ) – 13-item subscale assessing depression symptoms in children and youth [66].	_	C
Bullying	Gatehouse Bullying Scale – 12-item scale measuring covert and overt victimisation [67].	_	C
Student Engagement
Student Attitudes	Attitudes to school life – Motivation (5-items), Connectedness (5-items) and Commitment to school (5-items) scales, from the Victorian Attitudes to School Survey 2012, DEECD) [68].	-	C
School Attendance	School attendance – days absent over the preceding 3 months	_	P, C, T

C - Child P -Parent T-Teacher