Mother‐reported pain experience between ages 7 and 10: A prospective study in a population‐based birth cohort

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Abstract
Background: Trajectory studies suggest considerable stability of persistent or recurrent pain in adolescence. This points to the first decade of life as an important aetiologic window for shaping future pain, where the potential for prevention may be optimised.Objectives: We aimed to quantify changes in mother‐reported pain experience in children between ages 7 and 10 and describe clusters of different pain experiences defined by complementary pain features.Methods: We conducted a prospective study using data from 4036 Generation XXI birth cohort participants recruited in 2005‐06. Pain history was reported by mothers at ages 7 and 10 using the Luebeck pain screening questionnaire. We tracked changes in six pain features over time using relative risks (RRs) and their 95% confidence intervals (95% CIs). Clusters were obtained using the k‐medoids algorithm.Results: The risk of severe pain at age 10 increased with increasing severity at age 7, with RRs ranging from 2.18 (95% CI 1.90, 2.50) for multisite to 4.43 (95% CI 3.19, 6.15) for high frequency pain at age 7. A majority of children (59.4%) had transient or no pain but two clusters included children with stable recurrent pain (n = 404, 10.2% of the sample). One of those (n = 177) was characterised by higher probabilities of multisite pain (74.6% and 66.7% at ages 7 and 10, respectively), with psychosocial triggers/contexts (59.3% and 61.0%) and daily‐living restrictions (72.2% and 84.6%). Most children in that cluster (58.3%) also self‐reported recent pain at age 10 and had more frequent family history of chronic pain (60.5%).Conclusions: All pain features assessed tracked with a positive gradient between ages 7 and 10, arguing for the significance of the first decade of life in the escalation of the pain experience. Multisite pain and psychosocial attributions appeared to be early markers of more adverse pain experiences.
Funding Information
  • Fundação para a Ciência e a Tecnologia (PTDC/SAU‐EPI/29087/2017, PTDC/SAU‐PUB/29567/2017, UID/DTP/04750/2019)
  • Fundação Calouste Gulbenkian

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