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Osteoporosis International

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Open Access 01-12-2017 | Original Article

Low physical activity is related to clustering of risk factors for fracture—a 2-year prospective study in children

Authors: S. Stenevi Lundgren, B. E. Rosengren, M. Dencker, J.-Å. Nilsson, C. Karlsson, M. K. Karlsson

Published in: Osteoporosis International | Issue 12/2017

Abstract

Summary

The study investigates the effect of physical activity (PA) on a composite score for fracture risk in pre-pubertal children. Low PA in children is related to the composite score for fracture risk and the pre-pubertal years seem to be a period when PA positively affects the score.

Introduction

This study evaluates if PA in children is related to clustering of risk factors for fracture. Research questions are the following: (i) What is the effect of physical activity (PA) on single traits and a composite score for fracture risk? (ii) Could this score be used to identify the level of PA needed to reach beneficial effects?

Methods

This prospective population-based study included 269 children, aged 7–9 years at baseline while 246 attended the 2-year follow-up. We estimated duration of PA by questionnaires and measured traits that independently predict fractures. We then calculated gender specific Z-scores for each variable. The mean Z-score of all traits was used as a composite score for fracture risk. We tested correlation between duration of PA, each trait, and the composite score and group differences between children in different quartiles of PA.

Results

At baseline, we found no correlation between duration of PA and any of the traits or the composite score. At follow-up, we found a correlation between PA and the composite score. Physical activity had an effect on composite score, and children in the lowest quartiles of PA had unbeneficial composite score compared to children in the other quartiles.

Conclusion

Low PA in children is related to clustering of risk factors for fracture, and the pre-pubertal years seem to be a period when PA positively affects the composite score.

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Title: Low physical activity is related to clustering of risk factors for fracture—a 2-year prospective study in children
Authors: S. Stenevi Lundgren
B. E. Rosengren
M. Dencker
J.-Å. Nilsson
C. Karlsson
M. K. Karlsson
Publication date: 01-12-2017
Publisher: Springer London
Published in: Osteoporosis International / Issue 12/2017
Print ISSN: 0937-941X
Electronic ISSN: 1433-2965
DOI: https://doi.org/10.1007/s00198-017-4203-0

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Low physical activity is related to clustering of risk factors for fracture—a 2-year prospective study in children

Abstract

Summary

Introduction

Methods

Results

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Summary

Introduction

Methods

Results

Conclusion

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