Predictors of Vocabulary Outcomes in Children Who Are Deaf or Hard of Hearing From Spanish-Speaking Families

Purpose

The goal of this study was to identify predictors of expressive vocabulary in young Spanish-speaking children who are deaf or hard of hearing living in the United States.

Method

This cross-sectional study considered 53 children with bilateral hearing loss between 8 and 34 months of age (M = 24, SD = 6.9). Demographic variables, variables related to the hearing loss, and intervention variables were included in a hierarchical regression analysis to predict expressive vocabulary quotients from the MacArthur Inventario del Desarrollo de Habilidades Comunicativas (Communicative Development Inventories; Jackson-Maldonado et al., 2003).

Results

Chronological age, degree of hearing loss, functional hearing ability ratings, age of enrollment in early intervention, and the interaction between chronological age and age of intervention accounted for 61.5% of the vocabulary variance. Children who received intervention by 6 months of age achieved significantly higher vocabulary outcomes than children who started intervention later.

Conclusion

The children's mean vocabulary outcomes were below average when compared with hearing peers. This was especially true for older children, children with moderately-severe-to-profound hearing loss, and children who began intervention after 6 months of age. This delay in vocabulary outcomes has the potential to interfere with future reading and academic outcomes.

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