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Objective: To evaluate the use of social media (SM) as a source of health information among patients with chronic low back pain (LBP) and to evaluate the factors associated with this use. Methods: This was a cross‐sectional study involving patients with chronic LBP. Information on their sociodemographics, LBP characteristics, and comorbidities was collected. With the use of a questionnaire, we evaluated the use of SM as a source of information, examining the frequency of use, the type of SM used, and degree of confidence and application of information found. Catastrophising, trust in physicians, and concerns regarding medicines were assessed through the Pain Catastrophizing Scale (PCS), Trust in Physician Scale (TPS) and Beliefs about Medicines Questionnaire (BMQ Specific Concerns). A regression analysis was conducted to identify factors associated with the use of SM. Results: A total of 118 patients were included. The mean age was 53.01 ± 14.09 years. Of the sample, 68.6% sought information regarding their LBP on social networks. The main source was YouTube (30%). Eighteen point six percent of patients trusted the information found through SM, and 16.1% have already acted on some of this information. The majority of patients (82%) would prefer to have healthcare professionals in their virtual spaces to answer their questions. In a multivariate analysis, only the degree of trust in the physician was negatively associated with SM use (OR = 0.95 IC 95% [0.91–0.99]; p = 0.03). Conclusion: This survey showed that a proportion of patients suffering from chronic LBP use SM, YouTube in particular, as a source of health information. The level of trust in physicians was the strongest factor that impelled people to use SM as a source of health information. [ABSTRACT FROM AUTHOR]

Background: Central sensitization (CS) is becoming increasingly recognized as a significant factor in many chronic pain conditions, including knee osteoarthritis (KOA) and chronic low back pain (CLBP). Yet it presently remains unclear how strong is the involvement of CS in KOA and CLBP and which factors are involved in CS in these two chronic disabling diseases. Methods: This is a cross-sectional study in which included a total of 178 patients with KOA and 118 patients with CLBP. Inclusion criteria for eligible participants for the KOA group were a confirmed diagnosis of KOA according to the American College of Rheumatology criteria, and for the CLBP group a chronic low back pain for more than 3 months. Subjects were excluded if they presented with a diagnosed psychiatric disorder or if they lacked the capacity to provide informed consent, understand study questionnaires or perform physical performance tests. In each group, were assessed; CS-related symptoms using the Central Sentization Inventory (CSI); demographic and clinical characteristics such as disease duration, pain intensity on a visual analog scale, self-reported function using the Lequesne index for KOA patients and the Oswestry Disability index for CLBP patients, and physical performance with the 6 minutes' walk test; as well as psychosocial risk factors using the Patient Health Questionnaire for depression (PHQ-9), the Generalized Anxiety Disorder (GAD-7) and the Pain Catastrophizing Scale (PCS). Results: CSI scores significantly correlated with pain intensity and disability in KOA and CLBP patients, and were highly correlated with self-reported symptoms of depression, anxiety and pain catastrophizing. Depression significantly predicted the CSI score in both groups. Conclusion: These findings provide further evidence for the impact of CS on pain, function and physical performance in KOA and CLBP patients. Psychosocial symptoms such as pain catastrophizing, anxiety and depression should also be considered as they are also associated with CS. [ABSTRACT FROM AUTHOR]