Construct | Measure | Administration time points | Number of items | Additional Information |
---|---|---|---|---|
Child measures | Â | Â | Â | Â |
Temperamental inhibition | Short Temperament Scales - Inhibition subscale [47] | Screening | 7 | Children who score ≥85th percentile are eligible for the trial. |
Major health or developmental diagnoses | Parents' Evaluation of Developmental Status (Australian version)[53] | RCT baseline | 10 | Children with major diagnoses will be excluded: determined on a case-by-case basis. |
Behavioural and emotional problems | Strengths & Difficulties Questionnaire (4-10 year old Australian version)[54] | Screening 1 & 2 years | 25 | Behavioural screening measure; widely used in population health research; existing school-entry screen in Victoria. Emotional subscale may have concurrent validity with temperamental inhibition screen. Secondary outcome (impact on externalising/conduct problems). |
Anxiety diagnoses | Anxiety Disorders Interview Schedule for DSM-IV, Child Version, Parent Interview Schedule (ADIS-CP-IV) [55] | 1 & 2 years | Â | Primary outcome. Conducted by telephone interview. |
Internalising problems | Children's Moods, Fears and Worries Questionnaire [1] | 1 & 2 years | 34-38 | Primary outcome. Detailed measure of internalising symptoms (anxious, fearful, withdrawn, depressive) in young children. |
Anxiety problems | Preschool Anxiety Scale - Revised (PAS-R)[56] | 1 & 2 years | 28 | Primary outcome. Detailed measure of anxiety symptoms in young children. Sensitive to intervention in Cool Little Kids efficacy trial. |
Parent measures | Â | Â | Â | Â |
Parenting practices | Parent Behavior Checklist (nurturing, harsh discipline) [57] | Baseline 1 & 2 years | 32 8 | Secondary outcome (intervention mechanism for impacting on child). |
Mental health | Depression, Anxiety, Stress Scale [58] | Baseline 1 & 2 years | 21 | Secondary outcome (impact on parent wellbeing). |
Wellbeing | SF-12 [59] | Baseline | 12 | Secondary outcome (economics measure). |
 | Assessment of Quality of Life (AQoL-8D) [49] | 1 & 2 years | 35 | Secondary outcome (economics measure). |
Intervention 'process' measures | Â | Â | Â | Â |
Fidelity | Group sessions content checklists, rated by facilitator and researcher | 6 month appraisal | 6-8 | Secondary outcome (integrity of intervention delivery). Adapted for this study. |
Acceptability to parents | Perceptions of screening process Perceptions of group sessions content, group facilitator | 6 month appraisal | 4 15 | Secondary outcome (implications for translation/dissemination uptake by families). Adapted for this study. |
Cost-effectiveness | Child and adult health service use | 1 & 2 years | 6 | Secondary outcome (for policy/decision makers considering translation/dissemination). Generated for this study. |