Bidirectional Association Between Sleep Quality and Low Back Pain in Older Adults: A Longitudinal Observational Study |
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| Institution: | 1. Department of Physical Therapy, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Presidente Prudente, Brazil;2. Department of Neurology and Neurosurgery, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil;3. Department of Physical Therapy, Centro Universitario de Ensino Superior (UNICESUMAR), Maringá, Brazil;4. Department of Psychobiology, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil;5. Department of Physical Therapy, Centro Universitário UNA, Contagem, Brazil;6. Department of Physical Therapy, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.;1. Western Norway University of Applied Sciences, Bergen, Norway;2. IMEC IDLab, University of Antwerp, Antwerp, Belgium;3. The University of Lincoln, UK;4. Faculty of Medicine and Rehabilitation Sciences, MOVANT, University of Antwerp, Antwerp, Belgium;5. Faculty of Sciences, Hasselt University, Diepenbeek, Belgium;6. Faculty of Rehabilitation Sciences, BIOMED/REVAL, Hasselt University, Diepenbeek, and Jessa Hospital, Heart Centre Hasselt, Hasselt, Belgium;1. Department of Rehabilitation Medicine, University of Washington, Seattle, Washington;2. Department of Neurology, University of Washington, Seattle, Washington;1. Northwestern University, Department of Physical Medicine and Rehabilitation, Feinberg School of Medicine, Chicago, Illinois;2. Research and Development Office, Jesse Brown VA Medical Center, Chicago, Illinois;3. Hanger Clinic, Austin, Texas;4. Northwestern University, Department of Biomedical Engineering, McCormick School of Engineering, Evanston, Illinois, United States;1. Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD;2. Department of Medicine, Division of Gerontology and Palliative Medicine, University of Maryland School of Medicine, Baltimore, MD;3. Baltimore Geriatric Research, Education, and Clinical Center, VAHMC, Baltimore, MD;4. Health Sciences and Human Services Library, University of Maryland, Baltimore, MD;1. Department of Physiotherapy, Physiotherapy in Motion Multispeciality Research Group (PTinMOTION), University of Valencia, Valencia, Spain;2. Department of Physical Therapy, Faculty of Medicine, University of Chile, Santiago, Chile;3. International Physiotherapy Research Network (PhysioEvidence), Barcelona, Spain;4. Division of Research, Devolvement and Innovation in Kinesiology, Kinesiology Unit, San José Hospital, Santiago, Chile;5. Ecology and Evolutionary Biology Division, School of Biological Sciences, University of Reading, Reading, United Kingdom;6. Primate Models for Behavioural Evolution Lab, Institute of Cognitive and Evolutionary Anthropology, School of Anthropology, University of Oxford, Oxford, United Kingdom |
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| Abstract: | ObjectiveTo investigate the bidirectional relationship by determining whether baseline sleep quality predicts pain intensity and whether baseline pain intensity predicts sleep quality in older individuals with chronic low back pain (LBP).DesignA prospective longitudinal cohort study with a 6-month follow-up period.SettingCommunity.ParticipantsOlder adults with LBP aged 60 years or older (N=215).InterventionNot applicable.Main Outcome MeasuresData collection occurred at baseline and at 6 months. Pain intensity and sleep quality were measured in both time points of assessment using the numeric pain rating scale (range, 0-10) and the Pittsburg Sleep Quality Index. At baseline, we also collected information on demographic anthropometric variables, cognitive status, depression, and comorbidities. Multivariable linear regression analyses adjusted for potential covariates were performed.ResultsA total of 215 individuals with LBP were recruited. Poor sleep quality at baseline predicted high pain intensity at 6 months (β coefficient, 0.18; 95% confidence interval CI], 0.07-0.30). High pain intensity at baseline predicted poor sleep quality 6 months later (β coefficient, 0.14; 95% CI, 0.01-0.26).ConclusionOur findings give some support to the bidirectional relationship between pain and sleep quality in older individuals with LBP. This bidirectional relationship may be used as prognostic information by clinicians when managing patients with LBP. |
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