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Objectives: To study the perceptions and behavioural changes related to the coronavirus disease 2019 (COVID-19) in patients with rheumatoid arthritis (RA) and determine their associations with patient characteristics, such as health literacy., Methods: This cross-sectional study was conducted from September to November of 2020 and included 400 outpatients with RA aged 18 and above. We measured self-reported perceptions as outcomes, such as awareness, knowledge and behaviours related to COVID-19. Health literacy and other characteristics as exposures were investigated using self-report questionnaires and electronic health records. To analyse the association between patient factors and the outcomes, multivariable linear and logistic regression models were performed., Results: In total, 365 patients completed the survey. More than half (51%) of patients reported that they were 'very worried' about possible infection with COVID-19, whereas over 80% believed the possibility of getting COVID-19 was low. In the multivariable analyses, patients with low health literacy had limited knowledge about COVID-19 and did not change daily routines and perform preventive measures., Conclusions: In this pandemic, healthcare providers may need to be aware of more vulnerable individuals and share COVID-19 related information promptly and effectively with their patients. Key Points • This cross-sectional study aimed to investigate the perceptions and behavioural changes related to COVID-19 in patients with RA. • All patients were aware of COVID-19 and most of them worried about getting infected. • Health literacy, age, sex, disease activity and rheumatic drugs were associated with perceptions and behaviours related to COVID-19., (© 2021. International League of Associations for Rheumatology (ILAR).)

Background: The management of anxiety and depression symptoms in rheumatoid arthritis (RA) patients is vital. Previous study findings on this topic are conflicting, and the topic remains to be thoroughly investigated. This study aimed to clarify the association of RA disease activity with anxiety and depression symptoms after controlling for physical disability, pain, and medication., Methods: We conducted a cross-sectional study of RA patients from the XXX Rheumatoid Arthritis Management Alliance cohort. We assessed patients using the Disease Activity Score (DAS28), Health Assessment Questionnaire Disability Index (HAQ-DI), and Hospital Anxiety and Depression Scale (HADS). Anxiety and depression symptoms were defined by a HADS score ≥ 8. We analyzed the data using multivariable logistic regression analyses., Results: Of 517 participants, 17.6% had anxiety symptoms and 27.7% had depression symptoms. The multivariable logistic regression analysis demonstrated that DAS28 was not independently associated with anxiety symptoms (odds ratio [OR] [95% confidence interval; CI] 0.93 [0.48-1.78]; p = 0.82) and depression symptoms (OR [95% CI] 1.45 [0.81-2.61]; p = 0.22). However, DAS28 patient global assessment (PtGA) severity was associated with anxiety symptoms (OR [95% CI] 1.15 [1.02-1.29]; p = 0.03) and depression symptoms (OR [95% CI] 1.21 [1.09-1.35]; p < 0.01). Additionally, HAQ-DI scores ≤ 0.5 were associated with anxiety symptoms (OR [95% CI] 3.51 [1.85-6.64]; p < 0.01) and depression symptoms (OR [95% CI] 2.65 [1.56-4.50]; p < 0.01). Patients using steroids were more likely to have depression than those not using steroids (OR [95% CI] 1.66 [1.03-2.67]; p = 0.04)., Conclusions: No association was found between RA disease activity and anxiety and depression symptoms in the multivariable logistic regression analysis. Patients with high PtGA scores or HAQ-DI scores ≤ 0.5 were more likely to experience anxiety and depression symptoms, irrespective of disease activity remission status. Rather than focusing solely on controlling disease activity, treatment should focus on improving or preserving physical function and the patient's overall sense of well-being., (© 2021. The Author(s).)

Objective: Although mental disorder is one of the most common comorbidities of rheumatoid arthritis (RA) and is known as a critical influence on RA remission rates, there is little knowledge regarding a possible therapeutic strategy for depression or anxiety in a RA population. Most recently, clinical evidence of dietary improvement for depression has emerged in a general population, but the relationship between dietary habits and mental disorder has not been investigated in RA. The purpose of this study is to elucidate clinical associations between mental disorder (depression/anxiety), dietary habits and disease activity/physical function in patients with RA., Methods: A cross-sectional study was performed with 267 female outpatients from the KURAMA database. Using the Hospital Anxiety and Depression Scale (HADS), we classified the participants into three groups by depression state, and their characteristics were compared. Using the 20-items on the self-reported food frequency questionnaire, we investigated the relationship between dietary habits and depression or anxiety, adopting a trend test and a multivariate standardized linear regression analysis for the HADS score of depression or that of anxiety as a dependent variable., Results: According to the classified stage of depression, current disease activity (DAS28-CRP: 28-Joint RA Disease Activity Score-C-reactive protein) and the health assessment questionnaire disability Index (HAQ-DI) were significantly increased. Trend analyses revealed that the depression score was inversely associated with the consumption of three food (fish, vegetables and fruit) out of twenty as was the anxiety score with only fish intake. Furthermore, multiple linear regression analysis revealed that the depression score was negatively associated with frequent fish intake (≥ 3 times per week) (Estimate -0.53, p = 0.033), HAQ-DI score within normal range (Estimate -0.88, p ≤ 0.001) and MTX use (Estimate -0.60, p ≤ 0.023). For the anxiety score, multivariate analysis showed similar but not significant associations with variables except for HAQ-DI score., Conclusions: In a RA population, both depression and anxiety had a significant and negative association with HAQ-DI score, and depression rather than anxiety had negative association with frequent fish intake. Modification of dietary habits such as increased fish consumption may have a beneficial effect on the depression state in RA patients., Competing Interests: M.H., R.W., K.M. (Murata), and M.T. (Tanaka) are members of a department financially supported by Nagahama City, Shiga, Japan, Toyooka City, Hyogo, Japan and five pharmaceutical companies (Tanabe-Mitsubishi, Chugai, UCB Japan, Ayumi and Asahi-Kasei). This study (KURAMA cohort study) is supported by a grant from Daiichi Sankyo Co. Ltd. M.H. receives grants and/or speaker fees from Bristol-Meyers, Eisai, Eli Lilly, and Tanabe Mitsubishi. R.W. receives speaker’s fee from Mitsubishi Tanabe Pharma, Pfizer, Sanofi, AbbVie, Asahi Kasei, Eisai, Eli Lilly, Bristol-Myers Squibb, and Janssen. K.N. (Nishitani) receives a research grant from Asahi-Kasei Pharma. H.I. receives a research grant and/or speaker fee from Bristol-Myers, Kyocera, and Asahi-Kasei. S.M. receives grants and/or speaker fees from Daiichi Sankyo, Asahi-Kasei, Chugai, Ayumi, and Tanabe Mitsubishi. A.M. receives speaking fees and/or research grants from Eli Lilly Japan K.K., Ono Pharmaceutical Co., Pfizer Inc., UCB Japan, AbbVie G.K., Asahi Kasei Pharma and Chugai Pharmaceutical Co. Ltd. H.M., M.K., Y.F., M.T., K.I., N.I., Y.O., W.Y., R.W, K.M.(Murakami), K.M. (Murata), M.U, K.N. (Nin), H.A., and N.I. declare no conflicts of interest. The sponsors had no role in the design of the study, the collection or analysis of the data, the writing of the manuscript or the decision to submit the manuscript for publication. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The authors, their immediate families, and any research foundations with which they are affiliated have not received any financial payments or other benefits from any commercial entity related to the subject of this article.

Objective: Pain is one of the main symptoms of patients with rheumatoid arthritis (RA). Pain in RA is caused by specific physical changes, such as joint destruction, and is therefore used as a disease activity marker. Although pain can also be influenced by emotional factors, neither the effect of emotional health nor the indirect effect of the physical state mediated by emotional health on pain has been quantified., Methods: A total of 548 patients with RA participated. Emotional health was assessed using the Hospital Anxiety and Depression Scale (HADS). Measures routinely used in practice were used to evaluate the physical state and pain. To quantify the effects of the physical state on emotional health, and the effects of both physical and emotional health on pain, we used structural equation modeling, with emotional health, physical state, and pain as latent variables., Results: The prevalence of anxiety and depression (HADS score ≥8 for each) among patients with RA was 18.7% and 29.4%, respectively. Emotional health was significantly influenced by the physical state (β = 0.21). Pain was affected by physical (β = 0.54) and emotional health (β = 0.29). The effect of the physical state on pain was mediated by emotional health, with this mediation effect (β = 0.06) accounting for 10.2% of the total effect., Conclusion: The magnitude of pain in RA is determined by the mediation effect of emotional health as well as the direct physical state. Our findings suggest that emotional factors should be taken into account when assessing RA disease activity., (© 2018, American College of Rheumatology.)

Objectives: Sarcopenia is characterized by loss of muscle strength and mass, leading to falls and adverse health outcomes. Our aim was to determine the prevalence of sarcopenia in patients with rheumatoid arthritis (RA) and to identify factors associated with sarcopenia in these patients. Methods: A cross-sectional study of 388 consecutive women with RA was conducted, assessing muscle mass and strength, and walking speed. Falls and bone fractures sustained over the prior year were evaluated. The association between sarcopenia and RA characteristics, falls, and bone fractures was evaluated using logistic regression analyses. Results: The prevalence of sarcopenia was 37.1% (14.7%, severe sarcopenia; 22.4%, sarcopenia), with 49.0% classified as having low muscle mass. The incidence of falls, fractures, and lower bone mineral density was higher in patients with than without sarcopenia. Age, RA duration, Steinbrocker's stage, the high Mini-Nutritional Assessment-Short Form score and the use of biological disease-modifying anti-rheumatic drugs (bDMARDs) were independent factors associated with sarcopenia. Conclusion: We confirmed that sarcopenia develops in a significant proportion of patients with RA. Age, longer disease duration, joint destruction and malnutrition were positively associated with sarcopenia, with the use of bDMARDs being negatively associated.

Rheumatoid arthritis (RA) patients often have altered body composition including reduced muscle mass and increased fat mass. Some RA patients are likely to increase visceral fat without obesity [Body Mass Index (BMI) ≥ 25]. The objective of the study was to determine the association between obesity and/or visceral adiposity and the risk for atherosclerosis in Japanese RA patients. Obesity was evaluated using the BMI, with visceral adiposity evaluated using the visceral fat area (VFA) and the visceral/subcutaneous fat ratio (V/S ratio), quantified using the dual bioelectrical impedance method. Atherosclerosis was evaluated based on the intima-media thickness (IMT) and Plaque score (PS) of the carotid artery, measured using ultrasonography. Multivariate analysis was performed to determine the factors associated with IMT and PS. IMT and PS were compared among groups of patients sub-classified according to BMI and VFA levels. The V/S ratio was higher in RA patients than healthy controls, after adjustment for age, BMI, and waist circumference. On multivariate analysis, the V/S ratio, but not the BMI, was independently associated with the IMT and PS. Among the sub-classifications for BMI and VFA, non-obese patients with a high visceral adiposity (18.5 ≤ BMI < 25 kg/m 2 and VFA ≥ 100 cm 2 ) had the highest IMT (mean IMT, 0.93 ± 0.29 mm; maximum IMT, 1.44 ± 0.71 mm) and PS (1.43 ± 0.61), compared to all other BMI and VFA subgroups. RA patients have increased visceral adiposity, which is associated with a high prevalence of atherosclerotic of plaques. Non-obese RA patients who have visceral adiposity have a specifically higher risk for atherosclerosis.