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Background: The prognosis of back pain (BP) in the older adults is less favorable than in younger adults and progress to adverse outcomes and consequent worsening of health-related quality of life (HRQoL). The present study aimed to verify the association between BP intensity, disability and HRQoL in older adults residents in Brazil and Netherlands, and to evaluate whether the country of residence influences the associations. Methods: Data were collected from 602 Brazilian and 675 Dutch participants with a new episode of BP from the Back Complaints in Elders (BACE) consortium. For the present study, a cross section was used. Pain intensity and disability were assessed using the Numerical Rating Scale (NRS) and the Roland-Morris Disability Questionnaire (RMDQ), respectively. HRQoL was assessed using the Short Form Health Survey (SF-36) quality of life questionnaire. Age, sex, and education were descriptive variables. Pain intensity (NPS score) and country were the independent variables and quality of life assessed by each SF domain - 36 was the dependent variable. Analysis of models at the individual level was performed to verify the association between pain and disability, also HRQoL in Netherlands and Brazil in the total sample. The multilevel model was used to verify whether the older adults person's country of residence influenced this relationship. Results: The average age of the participants was 67.00 (7.33) years. In the total sample, linear regression analysis adjusted for sex and age showed a significant association between BP intensity scores and HRQoL, for all domains. There was no association between disability and HRQoL. In the multilevel analysis, there was an association between BP intensity and HRQoL in all domains and an association between the country of residence and HRQoL, influencing the effect of pain, in all domains, except for the physical functioning. Conclusion: Socioeconomic and cultural aspects of different countries can affect the perception of the elderly about their HRQoL in the presence of BP. Pain and disability in Brazilian and Dutch older adults ones are experienced differently in relation to their HRQoL. [ABSTRACT FROM AUTHOR]

Background: The gait speed test has been widely used for evaluating low back pain. However, limited information is available on the factors that possibly influence the test results. This study aimed to investigate the influence of sociodemographic, clinical, psychosocial, and physical factors on the gait speed of older women with acute low back pain. Methods: Sociodemographic, clinical, psychosocial, and physical factors on the gait speed were evaluated in a convenience sample of olderwomen. Statistical analysis was performed usingmultiple regression analysis. Results: Four hundred and fifty-five older women (age: 68 ± 9) were included. Variables such as age, education, low back pain intensity, body mass index, comorbidities, depressive symptoms, fear of falling, anterior trunkmobility, and hand grip strength explained 18.8%of the gait speed test (R² = 0.188; p < .001). Conclusion: Age, education, low back pain intensity, body mass index, comorbidities, depressive symptoms, fear of falling, anterior trunkmobility, and handgrip strength were found to be associated with gait speed in olderwomenwith acute lowback pain. These variables can act independently or synergistically. [ABSTRACT FROM AUTHOR]

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