Table 2 Study measures

 Anxiety diagnoses

Anxiety Disorders Interview Schedule for Children V: Separation, Social, & Generalised Anxiety Disorder [27].

P

x

x

x

 Anxiety symptoms and impact

Spence Children’s Anxiety Scale: Child (44-item) and parent (38-item) reported anxiety symptoms [31].

P, C

x

x

x

School Anxiety Scale: 16-items assessing anxiety symptoms at school [32].

T

x

x

x

Child’s Anxiety Life Interference Scale: Child (9-items) and parent (16-items) report [33].

P, C

x

x

x

 ADHD

ADHD Rating Scale IV: 18-item validated scale measuring the core symptoms of ADHD [26].

P, T

x

x

x

 Behavior

Strengths and Difficulties Questionnaire: 25-items assessing child behavior and peer problems [34].

P, T, C

x

x

x

 Irritability

Affective Reactivity Index: A 6-item validated measure assessing child irritability [35].

P

x

x

x

 QoL

Child Health Utilities Index Nine Dimension: Preference-based measure of health-related QoL [36, 37].

P, C

x

x

x

 Sleep

Single item primary caregiver report of whether the child’s sleep is a problem (none, mild, moderate or severe) [38].

P

x

x

x

 School attendance

Number of days late/missed [38].

P

x

x

x

 Cognitive function

NIH Toolbox Cognition Battery: Computer- administered assessment of cognitive and executive function, attention, episodic/working memory, and processing speed [39].

D

x

x

x

 Parent mental health

Kessler 6 (K6): A 6-item validated measure of adult psychological stress resulting in a total score range from no distress to severe distress [40].

P

x

x

x

 Parenting

Parenting behavior: Scales assessing parenting consistency (6-items) and warmth (6-items) [41].

P

x

x

x

 Work attendance

Number of days late/missed [38].

P

x

x

x