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OBJECTIVES Our goals were to document (1) the onset of stuttering and (2) whether specific child, family, or environmental factors predict stuttering onset in children aged up to 3 years. METHODS Participants included a community-ascertained cohort of 1619 2-year-old Australian children recruited at 8 months of age to study the longitudinal development of(More)
OBJECTIVE To quantify the contributions of child, family, and environmental predictors to language ability at 4 years. METHODS A longitudinal study was performed with a sample of 1910 infants recruited at 8 months in Melbourne, Australia. Predictors were child gender, prematurity, birth weight and order, multiple birth, socioeconomic status, maternal(More)
BACKGROUND Knowledge is scarce on what contributes to whether children with early language delay (LD) show persistent, recovering or sometimes late-onset LD without a prior history of early LD in subsequent preschool years. AIMS To explore whether an integrative model of vital risk factors, including poor early communication skills, family history of(More)
OBJECTIVES To document the natural history of stuttering by age 4 years, including (1) cumulative incidence of onset, (2) 12-month recovery status, (3) predictors of stuttering onset and recovery, and (4) potential comorbidities. The study cohort was a prospective community-ascertained cohort (the Early Language in Victoria Study) from Melbourne, Australia,(More)
BACKGROUND Parent report instruments are frequently used for the identification of both 'at-risk' children and to support the diagnosis of communication delay. Whilst the evidence is strong for the accuracy of parent report of vocabulary between 2 and 3 years, there are fewer studies that have considered the ability of parents to report on early(More)
The Macarthur-Bates Communicative Development Inventories (CDI) have been used widely to document early communicative development. The paper reports on a large community sample of 1,447 children recruited from low, middle and high socioeconomic (SES) areas across metropolitan Melbourne, Australia. Regression analyses were conducted to determine the extent(More)
BACKGROUND Evidence is required as to when and where to focus resources to achieve the greatest gains for children's language development. Key to these decisions is the understanding of individual differences in children's language trajectories and the predictors of those differences. To determine optimal timing we must understand if and when children's(More)
This study examines potential predictors of 'precocious talking' (expressive language ≥90th percentile) at one and two years of age, and of 'stability' in precocious talking across both time periods, drawing on data from a prospective community cohort comprising over 1,800 children. Logistic regression was used to examine the relationship between precocious(More)
AIM The epidemiology of preschool speech sound disorder is poorly understood. Our aims were to determine: the prevalence of idiopathic speech sound disorder; the comorbidity of speech sound disorder with language and pre-literacy difficulties; and the factors contributing to speech outcome at 4 years. METHOD One thousand four hundred and ninety-four(More)
The purpose of the present study was to examine the grammatical morphology and sentence imitation performance of two different groups of children with language impairment and to compare their performance with that of children learning language typically. Expressive use of tense-bearing and non-tense-related grammatical morphemes was explored. Children with(More)