Title page for ETD etd-06302010-092323

Type of Document Master's Thesis
Author Sipes, Megan
URN etd-06302010-092323
Title Factors that Affect Sleep in Adults with Developmental Disability
Degree Master of Arts (M.A.)
Department Psychology
Advisory Committee
Advisor Name Title
Matson, Johnny Lee Committee Chair
Cohen, Alex S Committee Member
Matthews, Russell A Committee Member
  • adults
  • sleep
  • developmental disability
Date of Defense 2010-06-14
Availability unrestricted
Sleep problems are a common occurrence in the typically developing population. These problems are even more frequent in those with developmental disabilities; however, sleep disorders are often under diagnosed in this population in clinical populations. Currently, there is a lack of research that examines the rate of sleep problems in adults with Autism Spectrum Disorders (ASD). The purpose of this study is to examine differences in the endorsements of sleep problems between three groups: 71 adults with Autistic Disorder (AD) and intellectual disability (ID), 71 adults with Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS) and ID, and 71 adults with ID only, as assessed by the Diagnostic Assessment for the Severely Handicapped- Second Edition (DASH-II). The DASH-II, which includes a sleep scale, was designed to screen for psychopathology in those with severe to profound ID. Participants among the three groups did not differ significantly on total sleep scores or on individual items within the subscale. Follow up regression analysis examining what factors (i.e., ASD group, age, presence of psychotropic medications, presences of a non ASD Axis 1 diagnosis, and level of ID) predicted sleep problems found that the only significant predictor was presence of psychotropic medications. Implications and limitations of the study are discussed.
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