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Introduction: Chronic pain is a prevalent, yet underrecognized, condition in children and adolescents. A biopsychosocial framework has been widely adopted over the past decades and resulted in a new pain classification in the International Classification of Diseases, 11th revision (ICD-11). Nevertheless, little is known about pediatricians' pain concepts. Objectives: We explored pain concepts of Swiss pediatricians by means of a qualitative analysis. Method: A cross-sectional online survey was sent to clinically active Swiss pediatricians registered with the Swiss Society for Pediatrics. A case vignette of a girl with chronic musculoskeletal pain was presented and pediatricians were asked (1) what they think caused the pain, and (2) how they would explain the pain to the patient and their family. Structuring content analysis was applied to describe major themes within the answers. Results: The following main categories emerged: psychological factors, biological factors, unclear etiology, social context, disorder specific, and multifactorial. Most pediatricians reported the belief that psychological factors explained the pain. However, when explaining the pain to the patient, biological factors were reported most often. Conclusion: There is a discrepancy between pediatricians' conviction that chronic pain is mostly explained by psychological factors and their exploratory model towards patients that focuses on biological factors. Promoting the biopsychosocial framework of chronic pain is key to ensure timely and effective treatment. The new pain classification in the ICD-11 has the potential to increase the use of the biopsychosocial model.

Introduction: Sensory processing sensitivity (SPS) describes a genetically influenced trait characterized by greater depth of information processing, lower sensory threshold, and ease of overstimulation. It is hypothesized that SPS plays a crucial role in the context of chronic pain. Objectives: This exploratory study examined SPS as a correlate of pain intensity and pain-related disability in a sample of adolescents reporting chronic pain. Methods: Adolescents reporting chronic pain were contacted through social media and through specialized pain clinics. Participants completed online questionnaires on their levels of SPS, pain features, emotion regulation, and quality of life. A series of analysis of variances (ANOVAs) were calculated to detect differences between 3 SPS groups (ie, high, medium, and low sensitivity) regarding emotion regulation, quality of life, and pain features. Multiple linear regressions were conducted to predict pain intensity, pain-related disability, and quality of life. Results: In total, 103 participants completed the survey (68.9% female, Mage 17.9). Back pain was the most frequently reported pain location. Proportion of highly sensitive individuals was large (45.68%). The ANOVA revealed significant differences between sensitivity groups related to quality-of-life subscales, namely, for physical (F(2, 100) = 7.42, P < 0.001), emotional (F(2, 100) = 6.11, P < 0.001), and school functioning (F(2, 100) = 3.75, P = 0.03). High sensitivity was not predictive of pain but of health-related quality of life. Conclusions: Our results indicate that SPS is an important and prevalent characteristic to consider in the context of chronic pain in adolescents, specifically regarding the quality of life.

BACKGROUND: Chronic pain is a frequent complaint in children and adolescents, with great international variation in prevalence. Paediatricians are usually the first-line contact for pain problems in children and might refer patients to other specialists or pain clinics where available. Prevalence estimates of paediatric chronic pain and paediatricians’ care experiences in Switzerland are currently lacking. OBJECTIVES: The aim of this study was to assess the prevalence of paediatric chronic pain in Swiss paediatrician practices and paediatricians’ professional experience and confidence with, and care provision for patients with paediatric chronic pain. METHODS: Data were collected in 2019 using a cross-sectional online questionnaire among Swiss paediatricians. Ordinary least square regression analyses and Monte Carlo simulations were applied to estimate the prevalence rate of paediatric chronic pain. Explorative multivariate logistic regression analyses investigated whether sociodemographic and professional factors were associated with paediatricians’ confidence in treating and experience with paediatric chronic pain. RESULTS: We included 337 paediatricians in our anonymised analyses. The prevalence rate of paediatric chronic pain in our sample was estimated to be between 2.54% and 3.89%. Twenty percent of paediatricians reported feeling confident in treating paediatric chronic pain, 77.2% had referred patients with paediatric chronic pain to another specialist and more than half had at least some experience with paediatric chronic pain. Experience and confidence with treating paediatric chronic pain were associated with male gender. CONCLUSION: Our study is the first to estimate the prevalence of paediatric chronic pain by means of a sample of Swiss paediatricians. The prevalence rate was considerably lower than other estimates. Given the lack of training and confidence with treating paediatric chronic pain reported by paediatricians, absence of awareness and result

BACKGROUND: Chronic pain is a frequent complaint in children and adolescents, with great international variation in prevalence. Paediatricians are usually the first-line contact for pain problems in children and might refer patients to other specialists or pain clinics where available. Prevalence estimates of paediatric chronic pain and paediatricians’ care experiences in Switzerland are currently lacking. OBJECTIVES: The aim of this study was to assess the prevalence of paediatric chronic pain in Swiss paediatrician practices and paediatricians’ professional experience and confidence with, and care provision for patients with paediatric chronic pain. METHODS: Data were collected in 2019 using a cross-sectional online questionnaire among Swiss paediatricians. Ordinary least square regression analyses and Monte Carlo simulations were applied to estimate the prevalence rate of paediatric chronic pain. Explorative multivariate logistic regression analyses investigated whether sociodemographic and professional factors were associated with paediatricians’ confidence in treating and experience with paediatric chronic pain. RESULTS: We included 337 paediatricians in our anonymised analyses. The prevalence rate of paediatric chronic pain in our sample was estimated to be between 2.54% and 3.89%. Twenty percent of paediatricians reported feeling confident in treating paediatric chronic pain, 77.2% had referred patients with paediatric chronic pain to another specialist and more than half had at least some experience with paediatric chronic pain. Experience and confidence with treating paediatric chronic pain were associated with male gender. CONCLUSION: Our study is the first to estimate the prevalence of paediatric chronic pain by means of a sample of Swiss paediatricians. The prevalence rate was considerably lower than other estimates. Given the lack of training and confidence with treating paediatric chronic pain reported by paediatricians, absence of awareness and result

Chronic pain is a prevalent condition in youth, and the pain experience is strongly influenced by emotional processes. Studying emotion variability and regulation (ER) may help better understand pain behavior. As the development of emotion-related abilities predominantly takes place in the family context, examining ER within parent-adolescent dyads is important. We set out to test the association of parent and adolescent ER and adolescent emotional variability with adolescent pain behavior (ie, pain interference, activity avoidance, and activity engagement). A sample of 56 adolescents (Mage = 14.5, 85.7% women) with chronic pain and one of their parents (92.9% mothers) participated in this study. Adolescents completed baseline measures of average pain intensity, ER, and mean positive and negative affect. Furthermore, adolescents completed an electronic diary for 14 consecutive days, reporting on emotional state, activity avoidance, activity engagement, and pain interference. Parents completed measures of ER and their own history of pain. We performed a variable selection procedure, the least absolute shrinkage and selection operator method, to determine important predictors of adolescent pain behavior. Adolescent high positive affect was associated with more activity engagement, less pain interference, and less activity avoidance, indicating that positive affect might enhance the willingness to engage in activities in the presence of pain. Adolescent ER strategy emotional reappraisal and parents' own history of pain were predictors of less activity engagement. Parent ER was not related to adolescent ER. In conclusion, our results highlight the potential of enhancing positive affect as an intervention target for chronic pain.