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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. [ABSTRACT FROM AUTHOR]

Background: The Patterns of Activity Measure-Pain (POAM-P) is a self-report questionnaire that measures avoidance, overdoing, and pacing in individuals with chronic pain. We aimed to develop and confirm the psychometric properties of the Japanese version of the POAM-P(POAM-P-J) in Japanese individuals with chronic pain. Methods: We recruited 147 Japanese individuals with chronic pain (106 women; mean age 64.89 ± 12.13 years). The individuals completed the POAM-P-J, the Brief Pain Inventory (BPI), and the Hospital Anxiety and Depression Scale (HADS). The following psychometric properties of the POAM-P-J were confirmed: structural validity, internal consistency, test–retest reliability, and concurrent validity. Results: We tested factor structure via confirmatory factor analyses (CFA). We chose the 3-factor model with six covariances. The POAM-P-J's internal consistency and test–retest reliability were acceptable to good (α = 0.79–0.86; ICC = 0.72–0.87). The avoidance and overdoing subscales were positively associated with pain severity, pain interference, and anxiety measures (all p < 0.05), but the pacing subscale was not significantly associated with these pain-related measures. Conclusions: Although the structural validity of the POAM-P-J remains questionable, its internal consistency, test–retest reliability, and concurrent validity were confirmed. The POAM-P-J is useful in both research and clinical practice for evaluating the activity patterns of Japanese patients with chronic pain. [ABSTRACT FROM AUTHOR]

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: 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. [ABSTRACT FROM AUTHOR]

Purpose: The Facioscapulohumeral Muscular Dystrophy Health Index (FSHD-HI) is a patient-reported outcome measure developed for patients with FSHD. This study aimed to translate the FSHD-HI into Japanese (FSHD-HI-J), evaluate cultural adaptation, and examine its psychometric properties. Materials and methods: We created two forward translations, integrated them into a single Japanese version, and evaluated the back-translated version of the FSHD-HI. After finalizing the translation and cultural adaptation, we conducted a survey of 66 patients with FSHD to examine the reliability and validity of the FSHD-HI-J. For psychometric evaluations, we used Cronbach's alpha to assess internal consistency, the intraclass correlation coefficient (ICC) for test-retest reliability, and assessed validity based on the associations between FSHD-HI-J, clinical variables, and quality of life measures. Results: The FSHD-HI-J was found to be clinically relevant, indicating high internal consistency and test-retest reliability (ICC = 0.92 [95% confidence interval: 0.86-0.95] for the total score), as well as significant associations with clinical variables (D4Z4 repeats and functional impairment) and other quality of life measures (|rho| = 0.25-0.73). Conclusions: The FSHD-HI-J is a valid and reliable patient-reported outcome measure for Japanese patients with FSHD. This validated, disease-specific patient-reported outcome is essential for future clinical practice and clinical trials. IMPLICATIONS FOR REHABILITATION: Facioscapulohumeral muscular dystrophy (FSHD) affects not only a patient's physical abilities but also their social activities, participation, and overall quality of life. The FSHD-Health Index (FSHD-HI) is an instrument developed as a disease-specific patient-reported outcome measure to evaluate the burden experienced by patients. The Japanese version of the FSHD-HI has been established as a reliable and validated measure for Japanese-speaking patients with FSHD. The Japanese version of the FSHD-HI can serve as a useful instrument for evaluating the effectiveness of interventions in future trials. [ABSTRACT FROM AUTHOR]

Background: Chronic pain is a major health problem, and cognitive behavioral therapy (CBT) is its recommended treatment; however, efforts to develop CBT programs for chronic pain and assess their feasibility are remarkably delayed in Asia. Therefore, we conducted this pilot study to develop a basic individualized CBT for chronic pain (CBT-CP) and assessed its feasibility for use in Japan. Methods: Our study was an open-labeled before–after trial without a control group conducted cooperatively in five Japanese tertiary care hospitals. Of 24 outpatients, 15, age 20–80, who experienced chronic pain for at least three months were eligible. They underwent an eight-session CBT-CP consisting of relaxation via a breathing method and progressive muscle relaxation, behavioral modification via activity pacing, and cognitive modification via cognitive reconstruction. The EuroQol five-dimensional questionnaire five level (EQ5D-5 L) assessment as the primary outcome and quality of life (QOL), pain severity, disability, catastrophizing, self-efficacy, and depressive symptoms as secondary outcomes were measured using self-administered questionnaires at baseline, post-treatment, and 3-month follow-up. Intention-to-treat analyses were conducted. Results: Effect size for EQ5D-5 L score was medium from baseline to post-treatment (Hedge's g = − 0.72, 90% confidence interval = − 1.38 to − 0.05) and up to the 3-month follow-up (g = − 0.60, CI = − 1.22 to 0.02). Effect sizes for mental and role/social QOL, disability, catastrophizing, self-efficacy, and depressive symptoms were medium to large, although those for pain severity and physical QOL were small. The dropout rate was acceptably low at 14%. No severe adverse events occurred. Conclusion: The findings suggest that CBT-CP warrants a randomized controlled trial in Japan. Trial registration: University Hospital Medical Information Network Clinical Trials Registry (UMIN-CTR), UMIN000020880. Registered on 04 February 2016. [ABSTRACT FROM AUTHOR]

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. [ABSTRACT FROM AUTHOR]