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Table 1 Summary of the measures included in the Children’s Attention Project

From: The Children’s Attention Project: a community-based longitudinal study of children with ADHD and non-ADHD controls

Construct Measures Sourcea Time Point
1 2 3 4
ADHD and comorbid disorders
ADHD symptoms Conners’ 3 Parent & Teacher ADHD index: 10-items assessing ADHD symptom severity [39]. P,T
ADHD and comorbid disorders DISC-IV: structured clinical interview assessing all childhood DSM-IV diagnoses [40]. P   
Autism Spectrum Disorders Social Communication Questionnaire (SCQ) – Lifetime version: 40 item measuring autism spectrum disorder symptoms [43]; Social Skills Improvement System (SSIS) – 7 item Autism Spectrum scale [44]. P   
Child, family and school determinants
Prenatal & postnatal factors LSACb questions assessing alcohol use/smoking during pregnancy, gestational diabetes, preeclampsia, stress/anxiety/depression/stressful life events during pregnancy, birth weight, gestation, intensive care following birth, post-natal depression. P    
Child cognitive functioning Wechsler Abbreviated Scales of Intelligence (WASI): vocabulary, matrix reasoning [45]. C   
Language Clinical Evaluation of Language Fundamentals – 4th Edition, Screening Test [46]. C   
Attention skills Test of Everyday Attention for Children (TEA-Ch): Score (auditory sustained attention, Walk, Don’t Walk (sustained attention, response inhibition)) [47]. C   
Visual perception and motor coordination Beery-Buktenica Developmental Test of Visual-Motor Integration, 6th Edition (Beery VMI) [48]. C   
Working memory Wechsler Intelligence Scale for Children 4th Edition (WISC IV): Digits forward, Digits backwards [49]. C   
Social skills Social Skills Improvement System (SSIS): 6 scales assessing Responsibility (6 items), Self-control (7 items), Bullying (5 items), Communication (7 items), and Engagement (7 items) [44]. P, T
Prosocial behaviour Strengths and Difficulties Questionnaire (SDQ); 5 items assessing prosocial behaviour [50]. P, T
Parent mental health Kessler 6 (K6): 6-item screener for psychosocial symptoms [51]. P
Family quality of life Child Health Questionnaire (CHQ): 10-items assessing family quality of life [52]. P
Parenting LSAC parenting scales: 20 items assessing parental warmth, inductive reasoning, hostility and consistency, as well as parental self-efficacy [53]. P
Couple relationship LSAC family functioning scales: 20 items assessing parental conflict and support and relationship satisfaction [53]. P
Family adversity Stressful Life Events Scale: 12 items assessing a range of stressful life events experienced in the last 12 months [54]. P
Teacher-child relationship Student-Teacher Relationship Scale (STRS, short form): 15 items, assessing teacher-child conflict and closeness [55]. T
Teacher characteristics Including teacher age, gender, teaching experience, education, self-efficacy, from LSAC; level of support [42]. T
Child outcomes
Academic achievement Wide Range Achievement Test (WRAT 4): word reading, numeracy [56]. C   
Classroom performance Social Skills Improvement System (SSIS): 7-item Academic Competence scale assessing classroom performance [44]. T
Physical/health Weight and height measurement. Questions assessing child global health and sustained injuries. C, P   
Mental health and social functioning SDQ: Total Problems score and 4 subscales (each 5 items): Emotional, Conduct, Peer, and Inattention-Hyperactivity problems. Impairment measured using the Impact scale [50]. The SSIS will also be examined as an outcome. P, T
Quality of Life Pediatric Quality of Life Inventory – Version 4.0 (Peds QL): 23-items assessing physical, emotional, social and school quality of life [57]. P
Treatment and Interventions
Education Questions measuring specialised school services, individual education plan, in-class assistance, and grade repetition. T
Health and allied health Treatment history including medication (type, dose, duration, side-effects), psychological, educational, complimentary and alternative therapies P
  1. a P = Parent-reported measures, T = Teacher-reported measures, C = Direct child assessments.
  2. b LSAC = Longitudinal Study of Australian Children.