Effectiveness of a Community-Based Behaviour Change Intervention to Improve Functional Outcomes in Older Adults with Knee Osteoarthritis: A Cluster Randomized Mixed-Methods Study

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20260307001

Enrollment

Registered

2026-03-07

Start date

2023-01-01

Completion date

Unknown

Last updated

2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Knee osteoarthritis Functional limitation related to knee osteoarthritis Chronic knee pain in older adults Aged Exercise Therapy Knee Osteoarthritis Self Care Treatment Outcome

Interventions

A 12 week community program based on the Behaviour Change Wheel and COM B model. Delivered in group sessions at community elderly clubs by trained facilitators using a standard manual. Components incl

supervised progressive quadriceps strengthening with graded progression

home environment assessment with practical modification advice

peer support sessions every two weeks to support adherence

and individual goal setting plus self monitoring tools. Fidelity is monitored using facilitator checklists, attendance logs and adherence records.,Participants received usual care available at communi

Experimental Behavioral,Active Comparator Other

BCW based community self management program for knee osteoarthritis,Usual care

Eligibility

Sex/Gender

All

Age

60 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1.Adults aged 60 years or older 2.Clinically diagnosed mild to moderate primary knee osteoarthritis 3.Able to ambulate independently with or without assistive devices 4. Able to participate in light to moderate exercise 5.Able to communicate in Thai 6.Provided written informed consent

Exclusion criteria

Exclusion criteria: 1.Previous knee replacement surgery 2.Inflammatory arthritis 3.Acute knee inflammation or acute injury 4.Severe comorbid conditions limiting exercise participation 5.Severe cardiovascular or neurological disorders affecting mobility 6.Significant cognitive impairment 7.Participation in another structured knee rehabilitation program during the study period

Design outcomes

Primary

Measure	Time frame
Knee Injury and Osteoarthritis Outcome Score total score Baseline , 8 week and 12 weeks Knee Injury and Osteoarthritis Outcome Score questionnaire	—

Secondary

Measure	Time frame
Preventive self management behavior score Baseline 8 weeks and 12 weeks Validated preventive self management behavior questionnaire	—

Countries

Thailand

Contacts

Public Contactaraya chaingkhong

Kuakarun Faculty of Nursing, Navamindradhiraj University

araya@nmu.ac.th0818709665

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: May 1, 2026