The Coexistence of Disabling Conditions in Children Who Stutter: Evidence From the National Health Interview Survey

Purpose

Stuttering is a disorder that has been associated with coexisting developmental disorders. To date, detailed descriptions of the coexistence of such conditions have not consistently emerged in the literature. Identifying and understanding these conditions can be important to the overall management of children who stutter (CWS). The objective of this study was to generate a profile of the existence of disabling developmental conditions among CWS using national data.

Method

Six years of data from the National Health Interview Survey (2010–2015) were analyzed for this project. The sample consisted of children whose respondents clearly indicated the presence or absence of stuttering. Chi-square tests of independence were used for comparing categorical variables; and independent-samples t tests, for comparing continuous variables. Multiple logistic regression analyses were used for determining the odds of having a coexisting disabling developmental condition.

Results

This study sample included 62,450 children, of which 1,231 were CWS. Overall, the presence of at least 1 disabling developmental condition was 5.5 times higher in CWS when compared with children who do not stutter. The presence of stuttering was also associated with higher odds of each of the following coexisting developmental conditions: intellectual disability (odds ratio [OR] = 6.67, p < .001), learning disability (OR = 5.45, p < .001), attention-deficit hyperactivity disorder/attention-deficit disorder (OR = 3.09, p < .001), seizures (OR = 7.52, p < .001), autism/Asperger's/pervasive developmental disorder (OR = 5.48, p < .001), and any other developmental delay (OR = 7.10, p < .001).

Conclusion

Evidence from the National Health Interview Survey suggests a higher prevalence of coexisting developmental disabilities in CWS. The existence of coexisting disabling developmental conditions should be considered as part of an overall management plan for CWS.

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