Effectiveness and Cost-Efficiency of Aquatic Exercise for Management of Osteoarthritis

This study has been completed.
Information provided by:
University of Washington
ClinicalTrials.gov Identifier:
First received: April 1, 2008
Last updated: NA
Last verified: April 2008
History: No changes posted

The purpose of this study was to estimate the cost and outcomes of the Arthritis Foundation aquatic exercise classes.

  • DESIGN. Randomized trial of 20-week aquatic classes.
  • SUBJECTS AND METHODS. Recruited 249 adults from Washington State aged 55 to 75 with a doctor-confirmed diagnosis of osteoarthritis
  • MEAURES. The Quality of Well-Being Scale (QWB), Current Health Desirability Rating (CHDR), Health Assessment Questionnaire(HAQ), Center for Epidemiologic Studies-Depression Scale (CES-D), Perceived Quality of Life Scale (PQOL)

Condition Intervention
Behavioral: Aquatic exercise

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Health Services Research
Official Title: Effectiveness and Cost-Efficiency of Aquatic Exercise for Management of Osteoarthritis

Resource links provided by NLM:

Further study details as provided by University of Washington:

Primary Outcome Measures:
  • Quality of Well-Being Scale [ Designated as safety issue: No ]

Enrollment: 249
Study Start Date: March 1997
Study Completion Date: June 1998
Primary Completion Date: June 1998 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Community-based aquatic exercise program (Arthritis Foundation Aquatics Program). Two classes per week, 45-60 minutes in duration.
Behavioral: Aquatic exercise

Arthritis Foundation Aquatics Program

  • community-based aquatic exercise program
  • participants asked to attend 2 classes per week for 20 weeks
  • each class 45-60 minutes in duration
No Intervention: 2
Usual care; abstention from initiation of new exercise programs. Invited to participate in Arthritis Foundation Aquatics Program after study completion.


Ages Eligible for Study:   55 Years to 75 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Clinically confirmed diagnosis of osteoarthritis from a physician
  • Aged 55 to 75
  • Not currently exercising, defined as engaging in an average of less than 60 minutes of exercise/week during the last month
  • Permission of the subject's primary physician to participate in the aquatic class
  • Not currently enrolled in another medical study
  • Not scheduled for joint replacement surgery during the study period
  • Living in an area where Arthritis Foundation aquatic programs were offered
  • Willingness to be randomized and to commit to the 5-month study period
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00653497

Sponsors and Collaborators
University of Washington
Principal Investigator: Donald L Patrick, PhD, MSPH University of Washington
  More Information

No publications provided

Responsible Party: Donald Patrick, University of Washington, Department of Health Services
ClinicalTrials.gov Identifier: NCT00653497     History of Changes
Other Study ID Numbers: 28-0502-B/C, CDC U48/CCU009654-04, CDC U48/CCU009654-05
Study First Received: April 1, 2008
Last Updated: April 1, 2008
Health Authority: United States: Federal Government
United States: Institutional Review Board

Keywords provided by University of Washington:

Additional relevant MeSH terms:
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases

ClinicalTrials.gov processed this record on April 16, 2014