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Table 1 Enrolment, interventions and assessments

From: Study protocol for a randomized controlled trial comparing the efficacy of a specialist and a generic parenting programme for the treatment of preschool ADHD

Contact and home visits

Screening or diagnostic interview

Consent and TENALEA allocation

Pretreatment (T1) visit

Induction visit by therapist

Intervention: a-NFPP (home) IY (local hall)

Post-treatment (T2) visit (TAU = end of study)

6 month follow-up (T3) visit (a-NFPP/IY = end of study)

Timeline

Week 1 to Week 10

Week 11 to 12

Week 13 to 24

Week 25 to 28

Week 50

Enrolment

Participant informed consent

✓

✓

     

Eligibility

WWP (child hyperactivity); parent-completed scale

✓

      

PIP developmental scales; research-fellow-administered scale

✓

      

DISC-IV ADHD scale, child; research-fellow-administered interview

✓

      

TENALEA allocation

  

✓

    

Interventions

Arm A: a-NFPP

✓

✓

✓

✓

✓

✓

✓

Arm B: IY

✓

✓

✓

✓

✓

✓

✓

Arm C: TAU

✓

✓

✓

  

✓

 

Measures

Primary outcome

SNAP IV-P ADHD scale; parent-completed questionnaire

  

✓

  

✓

✓

Secondary outcomes

  

✓

  

✓

✓

Child’s solo play; observation measure, research-fellow-completed

  

✓

  

✓

✓

SNAP IV-T ADHD scale; teacher-completed questionnaire

  

✓

  

✓

✓

SNAP IV-P and T ODD scale: parent- and teacher-completed questionnaires

  

✓

  

✓

✓

ECBI (ODD measure); parent-completed questionnaire

  

✓

  

✓

✓

CSRI-Revised (economic costs); research-fellow-administered questionnaire

  

✓

  

✓

✓

EQ-5D QOL: Parent and parent proxy;

parent-completed questionnaires

  

✓

  

✓

✓

Mediators

FMSS (maternal expressed emotion); research-fellow-rated

  

✓

  

✓

✓

GIPCI, child/parent observation measure; research-fellow-rated

  

✓

  

✓

✓

Cookie delay task, child observation measure; research-fellow-rated

  

✓

  

✓

✓

GHQ - maternal; parent-completed questionnaire

  

✓

  

✓

✓

Moderators

CSS (parental ADHD); parent-completed questionnaire

  

✓

    

Preschool ADHD Risk Index; research-fellow-scored index

  

✓

    

EASI (child temperament); parent-completed questionnaire

  

✓

    

Demographic questionnaire; parent-completed questionnaire

  

✓

    

Genetic testing (saliva sample); self-collected, parent & child

     

✓

✓

LOT; research-fellow-rated

      

✓

WAI-S; parent- and therapist-completed questionnaires

  

✓

  

✓

 

FSI; parent- and therapist-rated

  

✓

  

✓

 
  1. a-NFPP: adapted New Forest Parenting Programme; CSRI-R: Revised Client Service Receipt Inventory; CSS, Current Symptoms Scale; DISC-IV, Diagnostic Interview Schedule for Children Version 4; EASI, Emotionality, Activity, Sociability and Impulsivity; EE, expressed emotion; ECBI, Eyberg Child Behaviour Inventory; EQ-5D, EuroQol - 5 Dimensions; FMSS, five-minute speech sample; FSI, Family Strain Index; GHQ, General Health Questionnaire; GIPCI, Global Impressions of Parent–child Interactions; IY, Incredible Years; ODD, oppositional defiant disorder; PARI, Preschool ADHD Risk Index; PIP, Parenting Intervention Project; SNAP-IV-P, Swanson, Nolan and Pelham Version 4 parent version; SNAP-IV-T, Swanson, Nolan and Pelham Version 4 teacher version; TAU, treatment as usual; WAI-S, Working Alliance Inventory, Short Form; WWP, Werry-Weiss-Peters Activity Rating Scale.