Osteoarthritis

Mobile app to support home exercise adherence in knee osteoarthritis: A randomized clinical trial

Osteoarthritis CartilagePublished Randomised controlled trial

Primary result · Complete exercise adherenceResult — go to the resultRelative risk 2.1 95% CI 1.4–3.2

Authors' conclusion

The app improved exercise adherence but this did not translate into improved function.

Study context

Population
Adults with knee OA and physical dysfunction173 (95%) with primary outcomes at 26 weeks
Participants
182 adults
Comparison
Home strength exercise plus 'My Exercise Messages' app vs home strength exercise only
Primary endpoint
Co-primary (self-reported): complete exercise adherence (exercise on 6 or more days over prior fortnight) and change in function (WOMAC, 0-68)
Follow-up
26 weeks
Methodological details2-arm, superiority
  • 2-arm
  • Superiority

Primary result

Complete exercise adherence

Relative risk

2.1

95% CI 1.4–3.2

P < 0.001

Events by treatment group

Exercise plus appvs Exercise only
RR 2.1 (95% CI 1.4–3.2); P < 0.001

As reported in the abstract

Secondary outcomes

OutcomeMean difference (95% CI)P value
Co-primary: change in function (WOMAC, 0-68) · 26 weeks−0.9 (−3.9 to 2.12)P = 0.52

Co-primary: change in function (WOMAC, 0-68) · 26 weeks

Function was not different

Co-primary outcomes at 14 weeks

Results were similar at 14 weeks

Secondary outcomes

Secondary outcomes did not differ, except Exercise Adherence Rating Scale, favoring exercise plus app

Original publication

Mobile app to support home exercise adherence in knee osteoarthritis: A randomized clinical trial. Osteoarthritis Cartilage. Published 17 December 2025. doi:10.1016/j.joca.2025.12.012

Composed by AI from the published abstract and checked against it. How Briefs are made →

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