Preventing early language delay in the primary care setting: cluster randomised trial

Completed

• Conditions: Early delay in acquiring expressive vocabulary; Mental and Behavioural Disorders; Vocabulary disorders

• Registration Number: ISRCTN20953675
• Lead Sponsor: Murdoch Childrens Research Institute, Parkville (Australia)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2007-09-05
• Last Update Posted: 13 January 2015

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 1000

Inclusion Criteria

1. Parents of 12 month-old infants
2. Attending community well-child clinics across three Melbourne local government areas from May to November 2007
3. Parents whose toddlers, at 18 months, are identified by a brief, parent-reported vocabulary questionnaire as having minimal or no expressive vocabulary (e.g., scoring at or below the 20th percentile relative to age and sex norms)

Exclusion Criteria

1. Children with already-diagnosed (or a referral for) cognitive delay or major medical conditions
2. Children with symptoms of Autism Spectrum Disorder
3. Children with cleft palates
4. Parents with insufficient English to attend a Parent Language Program and complete brief written questionnaires

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
1. Parent-report of child's expressive vocabulary<br>2. Direct assessment of child's receptive language ability, child?s mean length of utterance in morphemes from videotaped short narrative<br>3. Parents' use of responsive language facilitation strategies derived from the videotaped language sample<br><br>All collected at two and three years.

Secondary Outcome Measures

Name	Time	Method
1. Direct assessment of child's expressive language abilities<br>2. Parent-report of child's externalising behaviour problems<br><br>Both collected at two and three years.