Measuring exercise adherence in patients with low back pain: development, validity, and reliability of the EXercise Adherence Scale (EXAS).

Autor: Arensman RM; Department of Rehabilitation, Physiotherapy Science and Sport, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, Netherlands.; Physiotherapy Research, Program in Clinical Health Sciences, University Medical Center Utrecht, Utrecht, Netherlands.; Center for Physical Therapy Research and Innovation in Primary Care, Leidsche Rijn Julius Health Care Centers, Utrecht, Netherlands., Geelen RH; Physiotherapy Research, Program in Clinical Health Sciences, University Medical Center Utrecht, Utrecht, Netherlands., Koppenaal T; Department of Rehabilitation, Physiotherapy Science and Sport, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, Netherlands.; Department of Health, Innovations and Technology, Fontys University of Applied Sciences, Eindhoven, Netherlands., Veenhof C; Department of Rehabilitation, Physiotherapy Science and Sport, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, Netherlands.; Physiotherapy Research, Program in Clinical Health Sciences, University Medical Center Utrecht, Utrecht, Netherlands.; Research Group Innovation of Human Movement Care, University of Applied Sciences Utrecht, Utrecht, Netherlands., Pisters MF; Department of Rehabilitation, Physiotherapy Science and Sport, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, Netherlands.; Physiotherapy Research, Program in Clinical Health Sciences, University Medical Center Utrecht, Utrecht, Netherlands.; Center for Physical Therapy Research and Innovation in Primary Care, Leidsche Rijn Julius Health Care Centers, Utrecht, Netherlands.; Department of Health, Innovations and Technology, Fontys University of Applied Sciences, Eindhoven, Netherlands.
Jazyk: angličtina
Zdroj: Physiotherapy theory and practice [Physiother Theory Pract] 2022 Jul; Vol. 38 (7), pp. 928-937. Date of Electronic Publication: 2020 Sep 15.
DOI: 10.1080/09593985.2020.1818337
Abstrakt: Objectives: To develop an instrument to measure adherence to frequency, intensity, and quality of performance of home-based exercise (HBE) programs recommended by a physical therapist and to evaluate its construct validity and reliability in patients with low back pain.
Methods: The Exercise Adherence Scale (EXAS) was developed following a literature search, an expert panel review, and a pilot test. The construct validity of the EXAS was determined based on data from 27 participants through an investigation of the convergent validity between adherence, lack of time to exercise, and lack of motivation to exercise. Associations between adherence, pain, and disability were determined to test divergent validity. The reliability of the EXAS quality of performance score was assessed using video recordings from 50 participants performing four exercises.
Results: Correlations between the EXAS and lack of time to exercise, lack of motivation to exercise, pain, and disability were rho = 0.47, rho = 0.48, rho = 0.005, and rho = 0.24, respectively. The intrarater reliability of the quality of performance score was Kappa quadratic weights (K qw ) = 0.87 (95%-CI 0.83-0.92). The interrater reliability was K qw  = 0.36 (95%-CI 0.27-0.45).
Conclusions: The EXAS demonstrates acceptable construct validity for the measurement of adherence to HBE programs. Additionally, the EXAS shows excellent intrarater reliability and poor interrater reliability for the quality of performance score and is the first instrument to measure adherence to frequency, intensity, and quality of performance of HBE programs. The EXAS allows researchers and clinicians to better investigate the effects of adherence to HBE programs on the outcomes of interventions and treatments.
Databáze: MEDLINE
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