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. 2023 Feb 14;10(2):375.
doi: 10.3390/children10020375.

Back Pain without Disease or Substantial Injury in Children and Adolescents: A Twin Family Study Investigating Genetic Influence and Associations

Tessa Beerstra  1 , Minh Bui  2 , Tiina Jaaniste  3   4 , Aneeka Bott  5 , John Hopper  2 , G David Champion  3   4
Affiliations

Back Pain without Disease or Substantial Injury in Children and Adolescents: A Twin Family Study Investigating Genetic Influence and Associations

Tessa Beerstra et al. Children (Basel). .

Abstract

This twin family study first aimed to investigate the evidence for genetic factors predicting the risk of lifetime prevalence of non-specific low back pain of at least three months duration (LBP (life)) and one-month current prevalence of thoracolumbar back pain (TLBP (current)) using a study of children, adolescents, and their first-degree relatives. Secondly, the study aimed to identify associations between pain in the back with pain in other regions and also with other conditions of interest. Randomly selected families (n = 2479) with child or adolescent twin pairs and their biological parents and first siblings were approached by Twins Research Australia. There were 651 complete twin pairs aged 6-20 years (response 26%). Casewise concordance, correlation, and odds ratios were compared for monozygous (MZ) and dizygous (DZ) pairs to enable inference about the potential existence of genetic vulnerability. Multivariable random effects logistic regression was used to estimate associations between LBP (life) or TLBP (current) as an outcome with the potentially relevant condition as predictors. The MZ pairs were more similar than the DZ pairs for each of the back pain conditions (all p values < 0.02). Both back pain conditions were associated with pain in multiple sites and with primary pain and other conditions using the combined twin and sibling sample (n = 1382). Data were consistent with the existence of genetic influences on the pain measures under the equal environments assumption of the classic twin model and associations with both categories of back pain were consistent with primary pain conditions and syndromes of childhood and adolescence which has research and clinical implications.

Keywords: back pain; genetic; pediatrics; primary pain; questionnaire survey; twin family study.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
SUPER-KIDZ body map. Copyright permission confirmed: © 2011 Childhood Arthritis and Rheumatology Research Alli-ance (CARRA). www.carragroup.org.
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