Physiotherapy - Research Publications

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    Removing Pathoanatomical Content From Information Pamphlets About Knee Osteoarthritis Did Not Affect Beliefs About Imaging or Surgery, but Led to Lower Perceptions That Exercise Is Damaging and Better Osteoarthritis Knowledge: An Online Randomised Controlled Trial
    Lawford, BJ ; Bennell, KL ; Hall, M ; Egerton, T ; Filbay, S ; Mcmanus, F ; Lamb, KE ; Hinman, RS (J O S P T, 2023-04)
    OBJECTIVE: Compare the effects of osteoarthritis information, with or without pathoanatomical content, on people's beliefs about managing osteoarthritis. DESIGN: Online randomized controlled trial involving 556 participants. METHODS: Participants considered a hypothetical scenario where their doctor informed them that they had knee osteoarthritis. Participants were randomized to a control condition, where they received currently available osteoarthritis information with pathoanatomical content or an experimental condition, where they received the same osteoarthritis information but without pathoanatomical content. Primary outcomes were participants' beliefs about the need for x-ray to confirm diagnosis and joint replacement surgery in the future. RESULTS: There were no between-group differences in primary outcomes for x-ray (mean difference [MD], -0.3; 95% confidence interval [CI]: -0.9, 0.4) and surgery (MD, -0.2; 95% CI: -0.7, 0.2), each rated on an 11-point numeric rating scale. Participants in the experimental group had lower perceptions that exercise would damage the knee (MD, -0.4; 95% CI: -0.8, 0.0; rated on an 11-point numeric rating scale) and better osteoarthritis knowledge (MD, 0.9; 95% CI: 0.0, 1.9; rated on a scale ranging from 11 to 55). Among those without tertiary education, participants in the experimental group had lower perceptions that x-ray was necessary than control (MD, -0.8; 95% CI: -1.5, -0.1). Among those who had never sought care for knee pain, participants in the experimental group had lower perceptions about the need for surgery (MD, -0.7; 95% CI: -1.2, -0.2). CONCLUSIONS: Removing pathoanatomical content may not change beliefs about imaging and surgery but may lead to lower perceptions that exercise is damaging and may improve osteoarthritis knowledge. However, effects were small and of unclear clinical relevance. Tertiary education or a history of care seeking for knee pain may moderate effects on primary outcomes. J Orthop Sports Phys Ther 2023;53(4):1-15. Epub: 12 December 2022. doi:10.2519/jospt.2022.11618.
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    How Does Exercise, With and Without Diet, Improve Pain and Function in Knee Osteoarthritis? A Secondary Analysis of a Randomized Controlled Trial Exploring Potential Mediators of Effects
    Lawford, BJ ; Hinman, RS ; McManus, F ; Lamb, KE ; Egerton, T ; Keating, C ; Brown, C ; Oliver, K ; Bennell, KL (WILEY, 2023-11)
    OBJECTIVE: To explore the mediators of effects of two 6-month telehealth-delivered exercise programs, including exercise with and without weight-loss diet, on pain and function improvements in knee osteoarthritis (OA). METHODS: Secondary analysis of 345 participants from a 3-arm randomized controlled trial of exercise (Exercise program) and exercise plus diet (Diet + Exercise program) versus information (Control program) was conducted. Outcomes were changes in pain (11-point numeric rating scale) and function (Western Ontario and McMaster Universities Osteoarthritis Index [score range 0-68]) at 12 months. Potential mediators were change at 6 months in attitudes toward self-management, fear of movement, arthritis self-efficacy, weight, physical activity, and willingness for knee surgery. For the Diet + Exercise program versus the Exercise program, only change in weight was evaluated. RESULTS: Possible mediators of the Exercise program versus the Control program included reduced fear of movement (accounting for -1.11 units [95% confidence interval (95% CI) -2.15, -0.07] improvement in function) and increased arthritis self-efficacy (-0.40 units [95% CI -0.75, -0.06] reduction in pain, -1.66 units [95% CI -3.04, -0.28] improvement in function). The Diet + Exercise program versus the Control program mediators included reduced fear of movement (-1.13 units [95% CI -2.17, -0.08] improvement in function), increased arthritis self-efficacy (-0.77 units [95% CI -1.26, -0.28] reduction in pain, -5.15 units [95% CI -7.34, -2.96] improvement in function), and weight loss (-1.20 units [95% CI -1.73, -0.68] reduction in pain, -5.79 units [95% CI -7.96, -3.63] improvement in function). Weight loss mediated the Diet + Exercise program versus the Exercise program (-0.89 units [95% CI -1.31, -0.47] reduction in pain, -4.02 units [95% CI -5.77, -2.26] improvement in function). CONCLUSION: Increased arthritis self-efficacy, reduced fear of movement, and weight loss may partially mediate telehealth-delivered exercise program effects, with and without diet, on pain and/or function in knee OA. Weight loss may partially mediate the effect of diet and exercise compared to exercise alone.
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    Effect of Information Content and General Practitioner Recommendation to Exercise on Treatment Beliefs and Intentions for Knee Osteoarthritis: An Online Multi-Arm Randomized Controlled Trial
    Lawford, BJ ; Bennell, KL ; Hall, M ; Egerton, T ; McManus, F ; Lamb, KE ; Hinman, RS (WILEY, 2023-01-01)
    Objective: To evaluate effects of general osteoarthritis (OA) information in addition to a treatment option grid and general practitioner (GP) recommendation to exercise on treatment beliefs and intentions. Methods: An online randomized trial of 735 people 45 years old or older without OA who were recruited from a consumer survey network. Participants read a hypothetical scenario about visiting their GP for knee problems and were randomized to the following: i) ‘general information', ii) ‘option grid' (general information plus option grid), or iii) ‘option grid plus recommendation' (general information plus option grid plus GP exercise recommendation). The primary outcome was an agreement that exercise is the best management option (0-10 numeric rating scale; higher scores indicating higher agreement that exercise is best). The secondary outcomes were beliefs about other management options and management intentions. Linear regression models estimated the mean (95% confidence interval [CI]) between-group difference in postintervention scores, adjusted for baseline. Results: Option grid plus recommendation led to higher agreement that exercise is the best management by a mean of 0.4 units (95% CI: 0.1-0.6) compared with general information. There were no other between-group differences for the primary outcome. Option grid led to higher agreement that surgery was best, and x-rays were necessary, compared with general information (mean between-group differences: 0.7 [CI: 0.2-1.1] and 0.5 [CI: 0.1-1.0], respectively) and option grid plus recommendation (0.5 [CI: 0.1-0.9] and 0.9 [CI: 0.4-1.3]). Conclusion: Addition of an option grid and GP exercise recommendation to general OA information led to more favorable views that exercise was best for the hypothetical knee problem. However, differences were small and of unclear clinical importance.
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    Comparative effect of two educational videos on self-efficacy and kinesiophobia in people with knee osteoarthritis: an online randomised controlled trial
    Egerton, T ; Bennell, KL ; McManus, F ; Lamb, KE ; Hinman, RS (ELSEVIER SCI LTD, 2022-10)
    OBJECTIVE: To compare change in self-efficacy for managing knee osteoarthritis (OA) pain and kinesiophobia after watching an educational video based on an empowerment and participatory discourse with a video based on a disease and impairment discourse. DESIGN: Two-arm randomised controlled trial with participants aged ≥45 years with knee pain (n = 589). Participants completed both baseline and follow-up outcomes and watched one randomly-allocated video (12-minute duration) during one 30-45-minute session within a single online survey. The experimental video presented evidence-based knee OA information using design and language that aimed to empower people and focus on activity participation to manage OA, while the control video presented similar information but with a disease and impairment focus. Primary outcome measures were Arthritis Self-Efficacy Scale pain subscale (range 0-10) and Brief Fear of Movement Scale for OA (range 6-24). Secondary outcomes were expectations about prognosis and physical activity benefits, perceived importance and motivation to be physically active, knee OA knowledge, hopefulness for the future, level of concern and perceived need for surgery. RESULTS: Compared to control (n = 293), the experimental group (n = 296) showed improved self-efficacy for managing OA pain (mean difference 0.4 [95%CI 0.2, 0.6] units) and reduced kinesiophobia (1.6 [1.1, 2.0] units). The experimental group also demonstrated greater improvements in all secondary outcomes apart from hopefulness, which was high in both groups. CONCLUSION: An educational video based on an empowerment and participatory discourse improved pain self-efficacy and reduced kinesiophobia in people with knee OA more than a video based on a disease and impairment discourse. CLINICALTRIALS: gov registration NCT05156216, Universal trial number U1111-1269-6143.
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    COMPARING VIDEO-BASED TELEHEALTH-DELIVERED EXERCISE AND WEIGHT LOSS PROGRAMS WITH ONLINE EDUCATION ON OUTCOMES OF KNEE OSTEOARTHRITIS: A RANDOMIZED TRIAL
    Bennell, KL ; Lawford, BJ ; Keating, C ; Brown, C ; Kasza, J ; Mackenzie, D ; Metcalf, B ; Kimp, AJ ; Egerton, T ; Spiers, L ; Proietto, J ; Sumithran, P ; Harris, A ; Quicke, JG ; Hinman, RS (Elsevier BV, 2022-04)
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    Cost-Effectiveness of Telehealth-Delivered Exercise and Dietary Weight Loss Programs for Knee Osteoarthritis Within a Twelve-Month Randomized Trial
    Harris, A ; Hinman, RS ; Lawford, BJ ; Egerton, T ; Keating, C ; Brown, C ; Metcalf, B ; Spiers, L ; Sumithran, P ; Quicke, JG ; Bennell, KL (WILEY, 2023-06)
    OBJECTIVE: To evaluate the cost-effectiveness of telehealth-delivered exercise and diet-plus-exercise programs within 12 months. METHODS: An economic evaluation within a 12-month, 3-arm, parallel randomized trial of two 6-month telehealth-delivered exercise programs, with and without a dietary component. A total of 415 people with knee osteoarthritis ages 45-80 years and body mass index of 28-40 kg/m2 were assigned to 1 of 2 telehealth-delivered exercise programs, 1 without (n = 172) and 1 with (n = 175) a dietary component (ketogenic very low calorie diet), or to an education control (n = 67), for 6 months, with 6 months follow-up. The primary economic outcomes were quality-adjusted life years (QALYs) and health system costs. Measured costs were the direct intervention (consultations, equipment/resources, and meal replacements) and health care use in 2020 Australian dollars ($AU1.5 = $US1). Secondary analysis included weight loss and work productivity gains. RESULTS: The clinical trial demonstrated greater improvements in pain and function compared to information only for individuals with knee osteoarthritis and overweight/obesity. We can be 88% confident that diet plus exercise is cost effective ($45,500 per QALY), 53% confident that exercise is cost-effective ($67,600 per QALY) compared to the control, and 86% confident that augmenting exercise with the diet program is cost effective ($21,100 per QALY). CONCLUSION: Telehealth-delivered programs targeting exercise with dietary intervention for people with knee osteoarthritis who have overweight/obesity are likely to be cost-effective, particularly if potential long-term gains from weight loss and work productivity are realized.
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    Effectiveness of a New Service Delivery Model for Management of Knee Osteoarthritis in Primary Care: A Cluster Randomized Controlled Trial
    Hunter, DJJ ; Bowden, JLL ; Hinman, RSS ; Egerton, T ; Briggs, AMM ; Bunker, SJJ ; French, SDD ; Pirotta, M ; Shrestha, R ; Schofield, DJJ ; Schuck, K ; Zwar, NAA ; Silva, SSM ; Heller, GZZ ; Bennell, KLL ; PARTNER, ST (WILEY, 2023-06)
    OBJECTIVE: To evaluate the effectiveness and health costs of a new primary care service delivery model (the Optimising Primary Care Management of Knee Osteoarthritis [PARTNER] model) to improve health outcomes for patients with knee osteoarthritis (OA) compared to usual care. METHODS: This study was a 2-arm, cluster, superiority, randomized controlled trial with randomization at the general practice level, undertaken in Victoria and New South Wales, Australia. We aimed to recruit 44 practices and 572 patients age ≥45 years with knee pain for >3 months. Professional development opportunities on best practice OA care were provided to intervention group general practitioners (GPs). All recruited patients had an initial GP visit to confirm knee OA diagnosis. Control patients continued usual GP care, and intervention patients were referred to a centralized care support team (CST) for 12-months. Via telehealth, the CST provided OA education and an agreed OA action plan focused on muscle strengthening, physical activity, and weight management. Primary outcomes were patient self-reported change in knee pain (Numerical Rating Scale [range 0-10; higher score = worse]) and physical function (Knee Injury and Osteoarthritis Outcome Score activities of daily living subscale [range 0-100; higher score = better] at 12 months. Health care cost outcomes included costs of medical visits and prescription medications over the 12-month period. RESULTS: Recruitment targets were not reached. A total of 38 practices and 217 patients were recruited. The intervention improved pain by 0.8 of 10 points (95% confidence interval [95% CI] 0.2, 1.4) and function by 6.5 of 100 points (95% CI 2.3, 10.7), more than usual care at 12 months. Total costs of medical visits and prescriptions were $3,940 (Australian) for the intervention group versus $4,161 for usual care. This difference was not statistically significant. CONCLUSION: The PARTNER model improved knee pain and function more than usual GP care. The magnitude of improvement is unlikely to be clinically meaningful for pain but is uncertain for function.
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    Effects of a Massive Open Online Course on osteoarthritis knowledge and pain self-efficacy in people with hip and/or knee osteoarthritis: protocol for the MOOC-OA randomised controlled trial
    Nelligan, RK ; Hinman, RS ; Egerton, T ; Gregory, M ; Bidgood, N ; McManus, MF ; De Silva, AP ; Lamb, KE ; Bennell, KL (BMC, 2023-05-15)
    BACKGROUND: Osteoarthritis (OA) is a prevalent, chronic joint condition that commonly affects the knee and hip causing pain, impaired function, and reduced quality of life. As there is no cure, the main goal of treatment is to alleviate symptoms via ongoing self-management predominantly consisting of exercise and weight loss (if indicated). However, many people with OA do not feel adequately informed about their condition and management options to self-manage effectively. Patient education is recommended by all OA Clinical Practice Guidelines to support appropriate self-management, but little is known about the optimal delivery method and content. Massive Open Online Courses (MOOCs) are free, interactive, e-learning courses. They have been used to deliver patient education in other chronic health conditions but have not been used in OA. METHODS: A two-arm parallel-design, assessor- and participant-blinded superiority randomised controlled trial. People with persistent knee/hip pain consistent with a clinical diagnosis of knee/hip OA (n = 120) are being recruited from the Australia-wide community. Participants are randomly allocated into one of two groups i) electronic information pamphlet (control group) or ii) MOOC (experimental group). Those allocated to the control group receive access to an electronic pamphlet about OA and its recommended management, currently available from a reputable consumer organisation. Those allocated to the MOOC receive access to a 4-week 4-module interactive consumer-facing e-Learning course about OA and its recommended management. Course design was informed by behaviour theory and learning science, and consumer preferences. The two primary outcomes are OA knowledge and pain self-efficacy with a primary endpoint of 5 weeks and a secondary endpoint of 13 weeks. Secondary outcomes include measures of fear of movement, exercise self-efficacy, illness perceptions, OA management and health professional care seeking intentions, physical activity levels, and actual use of physical activity/exercise and weight loss, pain medication, and health professional care seeking to manage joint symptoms. Clinical outcomes and process measures are also collected. DISCUSSION: Findings will determine whether a comprehensive consumer-facing MOOC improves OA knowledge and confidence to self-manage joint pain compared to a currently available electronic OA information pamphlet. TRIAL REGISTRATION: Prospectively registered (Australian New Zealand Clinical Trials Registry ID: ACTRN12622001490763).
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    Patient-reported quality indicators to evaluate physiotherapy care for hip and/or knee osteoarthritis- development and evaluation of the QUIPA tool.
    Teo, PL ; Hinman, RS ; Egerton, T ; Dziedzic, KS ; Kasza, J ; Bennell, KL ( 2020-03-16)
    Abstract Background: There is no physiotherapy-specific quality indicator tool available to evaluate physiotherapy care for people with hip and/or knee osteoarthritis (OA). This study aimed to develop a patient-reported quality indicator tool (QUIPA) for physiotherapy management of hip and knee OA and to assess its reliability and validity. Methods: To develop the QUIPA tool, quality indicators were initially developed based on clinical guideline recommendations most relevant to physiotherapy practice and those of an existing generic OA quality indicator tool. Draft items were then further refined using patient focus groups. Test-retest reliability, construct validity (hypothesis testing) and criterion validity were then evaluated. Sixty-five people with hip and/or knee OA attended a single physiotherapy consultation and completed the QUIPA tool one, twelve- and thirteen-weeks after. Physiotherapists (n=9) completed the tool post-consultation. Patient test-retest reliability was assessed between weeks twelve and thirteen. Construct validity was assessed with three predefined hypotheses and criterion validity was based on agreement between physiotherapists and participants at week one. Results: A draft list of 23 clinical guideline recommendations most relevant to physiotherapy was developed. Following feedback from three patient focus groups, the final QUIPA tool contained 18 items (three subscales) expressed in lay language. The test-retest reliability estimates (Cohen’s Kappa) for single items ranged from 0.30-0.83 with observed agreement of 64-94%. The intraclass correlation coefficient (ICC) and 95% confidence interval (CI) for the Assessment and Management Planning subscale was 0.70 (0.54, 0.81), Core Recommended Treatments subscale was 0.84 (0.75, 0.90), Adjunctive Treatments subscale was 0.70 (0.39, 0.87) and for the total QUIPA score was 0.80 (0.69, 0.88). All predefined hypotheses regarding construct validity were confirmed. However, agreement between physiotherapists and participants for single items showed large measurement error (Cohen’s Kappa estimates ranged from -0.04-0.59) with the ICC (95% CI) for the total score being 0.11 (-0.14, 0.34). Conclusions: The QUIPA tool showed acceptable test-retest reliability for subscales and total score but inadequate reliability for individual items. Construct validity was confirmed but criterion validity for individual items, subscales and the total score was inadequate. Further research is needed to refine the QUIPA tool to improve its clinimetric properties before implementation.
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    Patient-reported quality indicators to evaluate physiotherapy care for hip and/or knee osteoarthritis- development and evaluation of the QUIPA tool.
    Teo, PL ; Hinman, RS ; Egerton, T ; Dziedzic, KS ; Kasza, J ; Bennell, KL ( 2020-01-31)
    Abstract Background: There is no physiotherapy-specific quality indicator tool available to evaluate physiotherapy care for people with hip and/or knee osteoarthritis (OA). This study aimed to develop a patient-reported quality indicator tool (QUIPA) for physiotherapy management of hip and knee OA and to assess its reliability and validity. Methods: To develop the QUIPA tool, quality indicators were initially developed based on clinical guideline recommendations most relevant to physiotherapy practice and those of an existing generic OA quality indicator tool. Draft items were then further refined using patient focus groups. Test-retest reliability, construct validity (hypothesis testing) and criterion validity were then evaluated. Sixty-five people with hip and/or knee OA attended a single physiotherapy consultation and completed the QUIPA tool one, twelve- and thirteen-weeks after. Physiotherapists (n=9) completed the tool post-consultation. Patient test-retest reliability was assessed between weeks twelve and thirteen. Construct validity was assessed with three predefined hypotheses and criterion validity was based on agreement between physiotherapists and participants at week one. Results: A draft list of 23 clinical guideline recommendations most relevant to physiotherapy was developed. Following feedback from three patient focus groups, the final QUIPA tool contained 18 items (three subscales) expressed in lay language. The test-retest reliability estimates (Cohen’s Kappa) for single items ranged from 0.30-0.83 with observed agreement of 64-94%. The intraclass correlation coefficient (ICC) and 95% confidence interval (CI) for the Assessment and Management Planning subscale was 0.70 (0.54, 0.81), Core Recommended Treatments subscale was 0.84 (0.75, 0.90), Adjunctive Treatments subscale was 0.70 (0.39, 0.87) and for the total QUIPA score was 0.80 (0.69, 0.88). All predefined hypotheses regarding construct validity were confirmed. However, agreement between physiotherapists and participants for single items showed large measurement error (Cohen’s Kappa estimates ranged from -0.04-0.59) with the ICC (95% CI) for the total score being 0.11 (-0.14, 0.34). Conclusions: The QUIPA tool showed acceptable test-retest reliability for subscales and total score but inadequate reliability for individual items. Construct validity was confirmed but criterion validity for individual items, subscales and the total score was inadequate. Further research is needed to refine the QUIPA tool to improve its clinimetric properties before implementation.