Abstract
We review selected information on comorbidity and present a logic model with data-based examples of comorbidity. We utilize published data and results from two datasets to illustrate key features of comorbidity and their associated impact on complexity of care, cost of care, and service utilization. In many conditions, comorbidity is typical and may be considered as a part of the disorder phenotype. We present an 8-part logic model of comorbidity and discuss each component of the model in detail. Available research provides data from primarily single entity diagnoses. We suggest that future research should emphasize: (1) studies of participants with more representative comorbidity to make the results more generalizable to clinical populations; (2) examine benefits and risks from polytherapies used at the same time; (3) improve data on optimal timing of interventions in the context of developmental trajectory of infants, children, and adolescents; and (4) examine interventions and timing of intervention to optimize prevention of phenotype severity.
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Burd, L., Burd, M., Klug, M.G., Kerbeshian, J., Popova, S. (2019). Comorbidity and Intellectual Disability. In: Matson, J.L. (eds) Handbook of Intellectual Disabilities. Autism and Child Psychopathology Series. Springer, Cham. https://doi.org/10.1007/978-3-030-20843-1_8
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DOI: https://doi.org/10.1007/978-3-030-20843-1_8
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