F. Calvet1, T. Davergne1
1Physiotherapy School of Boris Dolto, EFOM, Paris, France

Background: Motivational interviewing (MI) appears to be a promising strategy to increase the level of insufficient physical activity in patients with chronic inflammatory rheumatism (IA), fibromyalgia or osteoarthritis.

Purpose: To study the effectiveness of MI on adherence to physical activity, sedentary lifestyle and functional abilities in these patients through a systematic review with meta-analysis.

Methods: This work was carried out according to the PRISMA guideline. Three databases (PubMed, Cochrane Library and PEDro) were consulted until July 2020. All randomized controlled trials measuring the effect of MI on physical activity level, sedentary lifestyle or functional capacity for patients with chronic inflammatory rheumatism, fibromyalgia or osteoarthritis were included by 2 independent authors. The analysis of bias was performed using the Cochrane tool. A meta-analysis was performed on RevMan with random effect and standardized mean difference (SMD).

Results: This systematic review included six randomized controlled trials: 844 participants (77% female), mean age 55.1 years (standard deviation (SD) ± 8.4 years), with a mean duration of disease of 9.9 years (SD ± 1.9 years). Concerning low-intensity physical activity measured objectively at the end of the intervention, the meta-analysis based on 2 studies (190 patients) showed a significant effect in favour of the MI group (SMD 0.92 [ 95% CI 0.09, 1.74], I² =81%. Concerning moderate to intense physical activity measured subjectively at the end of the intervention, the meta-analysis based on 2 studies (394 patients) showed a significant effect (SMD 1.30 [(95% CI) 0.09, 2.51], I² = 27%. No significant effect was shown for the other endpoints.

Conclusion(s): MI shows encouraging effects on physical activity adherence but not on sedentary lifestyle and physical capacity. These effects are associated with a low level of evidence given the number of participants and the biases included in the studies. Further studies of high methodological quality are needed to confirm these results.

Implications: Motivational Interviewing Increases Activity Adherence in patients with inflammatory arthritis, fibromyalgia and osteoarthritis. Its use should be encouraged given the low effectiveness of other interventions to increase physical activity levels in this population.

Funding, acknowledgements: None for this study

Keywords: Physical activity, Motivational interviewing, rheumatic diseases

Topic: Education: clinical

Did this work require ethics approval? No
Institution: N/A
Committee: N/A
Reason: N/A

All authors, affiliations and abstracts have been published as submitted.

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