ArticleJournal of speech, language, and hearing research : JSLHR2026
Latent Classes of Typical and Atypical Speech Development in Low-Income Children: A Longitudinal Study From Early Childhood to Adolescence.
Article in Journal of speech, language, and hearing research : JSLHR, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThis study aimed to identify distinct latent classes of speech development by differentiating typical and atypical developmental trajectories from early childhood through adolescence in children from low-income families. It also examined demographic predictors of these latent classes and explored their associations with early infant temperament.
methodWe used five waves of longitudinal data from the Future of Families and Child Wellbeing Study, with families from low-income backgrounds below 200% of the federal poverty line (
resultsLLCA identified three distinct speech development classes: typical speech development (
conclusionFindings highlight the need for early identification and intervention for low-income children at risk of early speech problems and the necessity to adopt comprehensive and multilayer intervention across developmental transition stages.
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