Occupational Therapy Program Student Theses, Dissertations and Capstones

Document Type

Dissertation - NSU Access Only

Degree Name

Doctor of Philosophy (PhD) in Occupational Therapy

Copyright Statement

All rights reserved. This publication is intended for use solely by faculty, students, and staff of Nova Southeastern University. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, now known or later developed, including but not limited to photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author or the publisher.

First Advisor

Rebecca Estes

Date of original Performance / Presentation

January 2023

Publication Date / Copyright Date

1-1-2023

Abstract

Adults with substance use disorder (SUD) and serious mental illness (SMI) in intensive residential treatment services (IRTS) have impairments in activity patterns and functional performance. The investigator examined the outcomes of occupational therapy (OT) services as part of a treatment team in IRTS for individuals with SUD and SMI. A case series design using retrospective chart review of adults (n = 20) in 90-day IRTS was used to examine the effectiveness of OT for functional performance and perception of activity patterns. Repeated measures analysis of variance was completed using pretest and post functional assessment and activity pattern ratings. Multiple linear regression was used to assess if total OT minutes and overall participation level in OT predicted changes in functional performance and activity pattern perception. No results reached statistical significance. There was a small effect size for comprehension and planning, household skills, meaning, choice, balance, routine, and total activity pattern perception. There was a medium effect size for financial skills, transportation, and engagement. There was a large effect size for communication skills, medication management, and total functional performance. Minutes of OT and OT-participation level explained 5% of the change in functional performance and 7% of the change in total activity pattern perception. The OT services detailed in the appendix as part of the IRTS were shown to enhance individuals’ functional performance and engagement in treatment. The discussion includes recommendations for increasing choice to improve the effect sizes for activity pattern perception and process improvement approaches to increase the sample size for future research.

Disciplines

Occupational Therapy

Keywords

activity patterns; functional performance; occupational therapy; serious mental illness; substance use disorder

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