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dc.contributor.authorReilly, Sheena
dc.contributor.authorOnslow, Mark
dc.contributor.authorPackman, Ann
dc.contributor.authorCini, Eileen
dc.contributor.authorConway, Laura
dc.contributor.authorUkoumunne, Obioha C
dc.contributor.authorBavin, Edith L
dc.contributor.authorPrior, Margot
dc.contributor.authorEadie, Patricia
dc.contributor.authorBlock, Susan
dc.contributor.authorWake, Melissa
dc.description.abstractOBJECTIVES: 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, of 4-year-old children (n = 1619; recruited at age 8 months) and their mothers. METHODS: Outcome was stuttering onset by age 4 years and recovery within 12 months of onset, defined using concurrent monthly parent and speech pathologist ratings. Potential predictors: child gender, birth weight, birth order, prematurity, and twinning; maternal mental health and education; socioeconomic status; and family history of stuttering. Potential comorbidities: preonset and concurrent temperament, language, nonverbal cognition, and health-related quality of life. RESULTS: By age 4 years, the cumulative incidence of stuttering onset was 11.2% (95% confidence interval [CI]: 9.7% to 12.8%). Higher maternal education (P = .004), male gender (P = .02), and twinning (P = .005) predicted stuttering onset. At outcome, stuttering children had stronger language (mean [SD]: 105.0 [13.0] vs 99.6 [14.6]; mean difference 5.5, 95% CI: 3.1 to 7.8; P < .001) and nonverbal cognition (mean [SD]: 106.5 [11.4] vs 103.9 [13.7], mean difference 2.6, 95% CI: 0.4 to 4.8; P = .02) and better health-related quality of life but were otherwise similar to their nonstuttering peers. Only 9 of 142 children (6.3%; 95% CI: 2.9% to 11.7%) recovered within 12 months of onset. CONCLUSIONS: Although stuttering onset is common in preschoolers, adverse affects are not the norm in the first year after onset.
dc.publisherAmerican Academy of Pediatrics
dc.subject.fieldofresearchBiomedical and clinical sciences
dc.titleNatural history of stuttering to 4 years of age: A prospective community-based study
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorReilly, Sheena

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