Table 1

Measures collected across time points

Time point
MeasuresBaseline6 months12 monthsAdditional information
Child sleep/medication
 Children's Sleep Habits Questionnaire47A validated 33-item measure of disorders of initiating and maintaining sleep which can distinguish between samples of children attending a sleep clinic from community samples. It measures eight sleep problem domains (bedtime resistance, sleep onset delay, sleep duration, sleep anxiety, night wakening, parasomnias, sleep disordered breathing and daytime sleepiness)
 7-day sleep/medication logParents record their child's bedtime at lights out, time asleep, night-waking, morning wake time and medication use over a 7-day period during the school term
Child behaviour and quality of life
 Daily parent rating of evening/morning behaviour54An 11-item rating of core ADHD symptoms and behavioural problems typically experienced over the past month
 ADHD IV Rating Scale (parent and teacher versions)41• ▴• ▴• ▴An 18-item validated scale measuring core symptoms, ie, inattention and impulsivity/hyperactivity
 Strengths and Difficulties Questionnaire55• ▴• ▴• ▴Assessment of behavioural and emotional problems. A validated 25-item measure designed for children 4–16 years. It provides scores on five subscales (hyperactivity/inattention, conduct problems, emotional symptoms, peer relationship problems and prosocial behaviour); a total problems score is derived from the first four subscales. Australian normative data are available for each subscale
 Pediatric Quality of Life Inventory—4.056A validated 23-item measure for children aged 2–18 years. Provides total, physical and psychosocial health summary scores, with higher scores indicating a better health-related quality of life
 School attendance6School attendance measured over the preceding 3 months
Parent/family outcomes
 Work attendance6Work attendance measured over the preceding 3 months
 Depression Anxiety Stress Scale57A validated 21-item measure of adult mental health with clinical cut points for each subscale: depression, anxiety and stress
 Child Health Questionnaire: Family Impact Scale58Assessment of the emotional impact, time impact and family activities subscales. Higher scores indicate better functioning59
  • • Parent; ▴ Teacher; ADHD, attention-deficit/hyperactivity disorder.