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

This study has been completed.
Information provided by:
University of Washington 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
Osteoarthritis Behavioral: Aquatic exercise

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (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

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   (Adult, Senior)
Sexes Eligible for Study:   All
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
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00653497

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

Responsible Party: Donald Patrick, University of Washington, Department of Health Services 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

Keywords provided by University of Washington:

Additional relevant MeSH terms:
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases processed this record on August 21, 2017