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Objectives: Overactivity is a characteristic of individuals with chronic pain. Previous cross-sectional studies demonstrated a relationship between perfectionism and overactivity. Therefore, the present study used a longitudinal design to determine whether pain severity and pain interference were exacerbated by overactivity and whether overactivity was exacerbated by perfectionism., Methods: Participants with chronic pain were recruited using crowdsourcing. The participants completed the questionnaires at three time points: T1, T2, and T3 (September, October, and November 2021, respectively). The questionnaire assessed overactivity, perfectionistic strivings, perfectionistic concerns, pain severity, and pain interference. We created cross-lagged panel models to examine the hypothesized relationships among pain, overactivity, and perfectionism., Results: After excluding ineligible participants and invalid response sets, we analyzed the questionnaires completed by 666 participants at T1, 560 at T2, and 554 at T3. The average duration of chronic pain at T1 was 36.35 ± 53.53 months. Perfectionistic strivings were partially linked to overactivity, and pain interference was partially related to overactivity. Contrary to our expectations, overactivity did not predict pain severity or pain interference., Conclusions: The hypotheses that perfectionism exacerbates overactivity and that overactivity exacerbates pain severity and pain interference were not supported. These results may have been affected by the quality of the assessment of overactivity. Therefore, further research with a refined evaluation of overactivity is required., (© 2024 the author(s), published by De Gruyter.)

Considering that insomnia and chronic pain are often comorbid, we aimed to compare the effectiveness of cognitive behavioral therapy for insomnia (CBT-I), cognitive behavioral therapy for pain (CBT-P), and cognitive behavioral therapy for insomnia and pain (CBT-IP) in individuals with comorbid insomnia and chronic pain. We used PubMed, PsycINFO, CENTRAL, and Web of Science for our literature search. The outcomes included sleep, pain, disability, and depression at post-treatment and follow-up (3-12 months). Sixteen randomized controlled trials with 1094 participants were included. In the Bayesian network meta-analysis, CBT-I [standard mean difference (SMD) = -0.99, 95% credible interval (CrI) = -1.50 to -0.54] and CBT-IP (SMD = -0.70, 95% CrI = -1.60 to -0.08) were significantly more effective than the control for sleep at post-treatment. Additionally, CBT-I was significantly more effective than the control for pain, disability, and depression at post-treatment and sleep at follow-up. However, there were no significant differences in effectiveness between CBT-P and the control for any outcomes. Thus, CBT-I might be the most effective treatment option for individuals with comorbid insomnia and chronic pain. However, given the small sample sizes and high risk of bias of the included studies, these results must be interpreted with caution., Competing Interests: Declaration of competing interest The authors do not have any conflicts of interest to disclose., (Copyright © 2022 Elsevier Ltd. All rights reserved.)

Objectives: Anger is a negative emotion characterized by antagonism toward someone or something, is rooted in an appraisal or attribution of wrongdoing, and is accompanied by an action tendency to undo the wrongdoing. Anger is prevalent in individuals with chronic pain, especially those with chronic primary pain. The associations between anger and pain-related outcomes (e.g., pain intensity, disability) have been examined in previous studies. However, to our knowledge, no systematic review or meta-analysis has summarized the findings of anger-pain associations through a focus on chronic primary pain. Hence, we sought to summarize the findings on the associations of anger-related variables with pain and disability in individuals with chronic primary pain., Methods: All studies reporting at least one association between anger-related variables and the two pain-related outcomes in individuals with chronic primary pain were eligible. We searched electronic databases using keywords relevant to anger and chronic primary pain. Multiple reviewers independently screened for study eligibility, data extraction, and methodological quality assessment., Results: Thirty-eight studies were included in this systematic review, of which 20 provided data for meta-analyses (2,682 participants with chronic primary pain). Of the included studies, 68.4% had a medium methodological quality. Evidence showed mixed results in the qualitative synthesis. Most anger-related variables had significant positive pooled correlations with small to moderate effect sizes for pain and disability., Conclusions: Through a comprehensive search, we identified several key anger-related variables associated with pain-related outcomes. In particular, associations with perceived injustice were substantial., (© 2021 Walter de Gruyter GmbH, Berlin/Boston.)

Objectives: The Multidimensional Pain Readiness to Change Questionnaire 2 (MPRCQ2) is a reliable and valid measure that assesses readiness to adopt a variety of discrete pain self-management responses. We sought to translate and evaluate psychometric properties of the Japanese version of the MPRCQ2 (MPRCQ2-J) in individuals with chronic pain., Methods: One hundred seventy-three individuals with chronic pain were asked to complete the MPRCQ2-J, as well as measures assessing pain intensity, pain interference, self-efficacy, and general readiness to adopt a self-management approach for pain. Forty-eight of these participants provided additional MPRCQ2-J data to assess test-retest reliability., Results: The findings supported a 2-factor structure of the MPRCQ2-J when error covariances between the some of the nine primary scales were allowed. Adequate internal consistencies of the MPRCQ2-J scales (Cronbach's α ranged 0.71 to 0.86), except for the total score (α = 0.68), were observed. However, adequate test-retest reliabilities (intraclass correlation coefficients ≥ 0.60) were found for only 59% of the MPRCQ2-J scales. The MPRCQ2-J evidenced its construct validity via confirmation of the predicted patterns of associations with validity criterion measures and the anticipated effects of participation in an exercise treatment., Discussion: The findings support the internal consistency (except for the total score) and construct validity for MPRCQ2-J scales. However, potential limitations with respect to test-retest reliability of some of the scales were also suggested. The MPRCQ2-J can be used to examine the role that specific readiness domains of pain self-management responses may play in an adjustment process in Japanese individuals with chronic pain., (© 2019 World Institute of Pain.)

Purpose: The Pain Self-Efficacy Questionnaire is a valid measure assessing self-efficacy in individuals with chronic pain. Short-form versions of the measure have been developed to decrease the assessment burden. However, few studies have evaluated the psychometric properties of the short forms in languages other than English. The aim of this study was to evaluate two 2-item short forms and one 4-item short form of the Japanese Pain Self-Efficacy Questionnaire in terms of internal consistency, criterion validity, structural validity, and construct validity., Methods: This was a cross-sectional study. Data from 150 individuals with mixed chronic pain at a pain management center in a university hospital were extracted from clinical records and analyzed. The data included the information of the original version and short forms of the Japanese Pain Self-Efficacy Questionnaire, and other pain-related measures assessing pain intensity, pain interference, anxiety, depression and pain catastrophizing., Results: Item statistics supported the item selection for each of the three short forms. All the short forms demonstrated adequate internal consistency and criterion validity. With respect to construct validity, one of the 2-item short forms failed to meet the criterion regarding the change in the magnitude of correlation with a depression scale. The 4-item short form met all the criteria including structural validity., Conclusion: The study findings provide evidence for the reliability and validity of 2- and 4-item versions of the Japanese Pain Self-Efficacy Questionnaire for use in clinical and research settings.

Patients suffering from chronic pain (CP) with overactivity frequently experience sleep disturbance. We presented a 35‐year‐old woman suffering from CP. To improve the sleep disturbance of individuals suffering from CP with overactivity, it is important to combine cognitive behavioral therapy for insomnia and activity pacing. [ABSTRACT FROM AUTHOR]

Purpose: To confirm the psychometric properties of the Athens Insomnia Scale (AIS) among Japanese chronic pain patients. Patients and methods: In total, 144 outpatients were asked to complete questionnaires comprising the AIS and other study measures. According to the original article, the AIS has 2 versions: the AIS-8 (full version) and the AIS-5 (brief version). To validate the AIS-8 and AIS-5 among chronic pain patients, we confirmed: 1) factor structure by confirmatory factor analysis; 2) internal consistency by Cronbach’s a; 3) test–retest reliability using with interclass correlation coefficients; 4) known-group validity; 5) concurrent validity; and 6) cut-off values by receiver operating characteristic analysis. In addition, semi-structured interviews were conducted to assess the participants’ sleep disturbance. If the participants had any sleep complaints, including difficulty in initiating sleep, difficulty in maintaining sleep, and early morning awakening, they were defined as insomnia symptoms. Results: A 2-factor model of the AIS-8 and 1-factor model of the AIS-5 demonstrated good fit. The AIS had adequate internal consistency and test–retest reliability. Patients with insomnia had a higher AIS score than those without insomnia. The sleep disturbance measured by the AIS was positively associated with pain intensity, disability, depression, anxiety, and pain catastrophizing, and negatively associated with pain-related self-efficacy. The cut-off values for detecting insomnia were estimated at 8 points in the AIS-8 and 4 points in the AIS-5. Conclusion: The AIS-8 and AIS-5 had adequate reliability and validity in chronic pain patients. [ABSTRACT FROM AUTHOR]