• Mohsen Sadeghi-Yarandi, Mohammad Ghasemi, Ali Ghanjal, Mojtaba Sepandi, and Ahmad Soltanzadeh.
• Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
• Pain Manag Nurs. 2022 Dec 1; 23 (6): 838847838-847.

BackgroundChronic low back pain is one of the most common musculoskeletal disorders in different countries.AimsThis study aimed to predict the chronicity of nonspecific acute and nonspecific low back pain (LBP) and related risk factors among cases referred to physiotherapy clinics.DesignA case-control and cross-sectional study.SettingsTwo physiotherapy centers in Tehran, Iran.ParticipantsThis study included 502 patients with acute, subacute and chronic LBP.MethodThis study included 502 patients with acute, subacute and chronic LBP. Data were obtained using the Fear-Avoidance Beliefs Questionnaire, Patient Health Questionnaire, Pain Catastrophic Scale, Tampa Scale for Kinesiophobia, Pittsburgh Sleep Quality Index, Walker's Health-Promoting Lifestyle Questionnaire, Roland Morris Disability Questionnaire, and Numerical Pain Rating Scale. Data analysis was performed by applying independent sample t test, χ2, and multiple logistic regression in SPSS software version 25. IBM Amos version 22 was used for path analysis.ResultsIt was found that some demographic parameters (i.e., weight, BMI, job, type of occupational task performance, history of low back pain, work shift, underlying diseases and income), some cognitive parameters (i.e., fear-avoidance beliefs, kinesiophobia, catastrophic pain, and depression), some lifestyle parameters (i.e., health responsibility, physical activity, and interpersonal relationships), sleep quality and pain related disability were among the most critical risk factors in the chronicity of acute and subacute LBP (p < .05).ConclusionsPersonal, psychological, and psychosocial parameters can be among the most critical predictors in the chronicity of acute and subacute nonspecific LBP. Hence, paying attention to all the mentioned factors at the beginning of patients' treatment to create a targeted treatment algorithm and prevent the conversion of acute and subacute into chronic LBP has particular importance.Copyright © 2022 Elsevier Ltd. All rights reserved.

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