Comparison of a Group-/Home-Based and a Weight-Machine-Based Exercise Training for Patients with Hip or Knee Osteoarthritis—A Secondary Analysis of Two Trial Interventions in a Real-World Context

Inka Roesel, Inga Krauss (), Peter Martus, Benjamin Steinhilber and Gerhard Mueller
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Inka Roesel: Institute for Clinical Epidemiology and Applied Biostatistics, University Hospital of Tuebingen, 72076 Tuebingen, Germany
Inga Krauss: Department of Sports Medicine, University Hospital, Medical Clinic, 72076 Tuebingen, Germany
Peter Martus: Institute for Clinical Epidemiology and Applied Biostatistics, University Hospital of Tuebingen, 72076 Tuebingen, Germany
Benjamin Steinhilber: Institute for Occupational and Social Medicine and Health Services Research, University Hospital of Tuebingen, 72074 Tuebingen, Germany
Gerhard Mueller: Allgemeine Ortskrankenkasse AOK Baden-Wuerttemberg, 70191 Stuttgart, Germany

IJERPH, 2022, vol. 19, issue 24, 1-14

Abstract: This study aimed to compare an individual weight-machine-based strengthening program (MbT) with a group-/homebased training offering strengthening/functional exercises (GHT) in a general health care setting. A total of 657 participants (GHT = 521, MbT = 136) suffering from hip/knee OA were included and analysed with a pre–post design (baseline (T0)/3-months (T1)). Primary outcomes were pain and physical functioning (Western Ontario and McMaster Universities Osteoarthritis Index, range 0–10). Additionally, adherence and perceived patient benefit were measured (T1). Data were analysed with linear mixed models (time, treatment, baseline pain/physical impairment severity) adjusted for patient characteristics. No significant between-group differences in pain reduction/functional improvements (time*treatment*baseline pain/physical impairment severity, pain/function: n.s.; time*treatment, pain: p = 0.884, function: p = 0.067). Within-group improvements were dependent on baseline severity: Higher severity levels demonstrated larger changes from baseline. Perceived patient-benefit (very high to high, GHT: 78%, MbT: 92%) and exercise adherence (Dropouts T1: GHT: 27.8%, MbT: 16.2%; adherence to supervised sessions: GHT: 89%, MbT: 92%) was slightly better in the MbT. In summary, both MbT and GHT, showed positive results for patients with at least moderate disease symptoms. Findings for physical functioning, perceived patient-benefit, exercise adherence hint towards a superiority of MbT. Individual preferences should be considered when prescribing exercise therapy. Trial registration: (1) German Clinical Trial Register DRKS00009251. Registered 10 September 2015. (2) German Clinical Trial Register DRKS00009257. Registered 11 September 2015.

Keywords: hip osteoarthritis; knee osteoarthritis; group training; weight-machine-supported training; health care research; WOMAC; short-term results (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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