• Jeffrey J Hebert, Charlotte Leboeuf-Yde, Claudia Franz, Arnaud Lardon, Lise Hestbæk, Neil Manson, and Niels Wedderkopp.
• Faculty of Kinesiology, University of New Brunswick, Fredericton, NB, E3B 5A3, Canada. J.Hebert@unb.ca.
• Eur Spine J. 2019 Jul 1; 28 (7): 1565-1571.

PurposeTo examine the prospective associations of pubertal development and linear growth with spinal pain frequency and duration in children.MethodsWe recruited students from 10 public primary schools. Over 42 months, pubertal development was assessed four times and categorized according to Tanner stages 1-5, and height was measured on seven occasions. Occurrences of spinal pain were reported weekly via text messaging. We constructed variables for spinal pain duration (total weeks with pain) and frequency (number of episodes). Potential associations between pubertal development and growth were examined with generalized estimating equations and reported with incident rate ratios (IRRs). All models were adjusted for potential confounders.ResultsData from 1021 children (53% female; mean [SD] age = 9.4 [1.4] years), with median participation duration of 39 months, were included. Advancing pubertal development was associated with increased spinal pain duration (IRR [95% CI] = 1.90 [1.45, 2.49] to 5.78 [4.03, 8.29]) and frequency of pain episodes (IRR [95% CI] = 1.32 [1.07, 1.65] to 2.99 [2.24, 3.98]). Similar associations were observed for each 1-cm change in height in 6 months with spinal pain duration (IRR [95% CI] = 1.19 [1.15, 1.23]) and frequency (IRR [95% CI] = 1.14 [1.11, 1.17]). The relations between pubertal development and spinal pain, as well as growth and spinal pain, were largely independent.ConclusionsIn young people, pubertal development and linear growth are likely to be independent risk factors for the development of spinal pain. Pubertal development demonstrates evidence of dose-response in its relationship with spinal pain. This knowledge may assist healthcare providers with clinical decision-making when caring for pediatric patients. These slides can be retrieved under Electronic Supplementary Material.

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