Clinical and psychosocial stress factors are associated with decline in physical activity over time in children with juvenile idiopathic arthritis

Autor: Liane D. Heale, Kristin M. Houghton, Elham Rezaei, Adam D. G. Baxter-Jones, Susan M. Tupper, Nazeem Muhajarine, Susanne M. Benseler, Gilles Boire, David A. Cabral, Sarah Campillo, Gaëlle Chédeville, Anne-Laure Chetaille, Paul Dancey, Ciaran Duffy, Karen Watanabe Duffy, Janet Ellsworth, Jaime Guzman, Adam M. Huber, Roman Jurencak, Bianca Lang, Ronald M. Laxer, Kimberly Morishita, Kiem G. Oen, Ross E. Petty, Suzanne E. Ramsey, Johannes Roth, Rayfel Schneider, Rosie Scuccimarri, Lynn Spiegel, Elizabeth Stringer, Shirley M. L. Tse, Lori B. Tucker, Stuart E. Turvey, Rae S. M. Yeung, Alan M. Rosenberg, for the BBOP Study Group
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Pediatric Rheumatology Online Journal, Vol 19, Iss 1, Pp 1-10 (2021)
Druh dokumentu: article
ISSN: 1546-0096
DOI: 10.1186/s12969-021-00584-4
Popis: Abstract Background Physical activity (PA) patterns in children with juvenile idiopathic arthritis (JIA) over time are not well described. The aim of this study was to describe associations of physical activity (PA) with disease activity, function, pain, and psychosocial stress in the 2 years following diagnosis in an inception cohort of children with juvenile idiopathic arthritis (JIA). Methods In 82 children with newly diagnosed JIA, PA levels, prospectively determined at enrollment, 12 and 24 months using the Physical Activity Questionnaire for Children (PAQ-C) and Adolescents (PAQ-A) raw scores, were evaluated in relation to disease activity as reflected by arthritis activity (Juvenile Arthritis Disease Activity Score (JADAS-71)), function, pain, and psychosocial stresses using a linear mixed model approach. Results in the JIA cohort were compared to normative Pediatric Bone Mineral Accrual Study data derived from healthy children using z-scores. Results At enrollment, PA z-score levels of study participants were lower than those in the normative population (median z-score − 0.356; p = 0.005). At enrollment, PA raw scores were negatively associated with the psychosocial domain of the Juvenile Arthritis Quality of Life Questionnaire (r = − 0.251; p = 0.023). There was a significant decline in PAQ-C/A raw scores from baseline (median and IQR: 2.6, 1.4–3.1) to 24 months (median and IQR: 2.1, 1.4–2.7; p = 0.003). The linear mixed-effect model showed that PAQ-C/A raw scores in children with JIA decreased as age, disease duration, and ESR increased. The PAQ-C/A raw scores of the participants was also negatively influenced by an increase in disease activity as measured by the JADAS-71 (p
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