Relationship between physical activity and bone mineral status in young adults: The Northern Ireland young hearts project

CE Neville, LJ Murray, CAG Boreham, Alison Gallagher, J Twisk, PJ Robson, JM Savage, HCG Kemper, SH Ralston, GD Smith

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Abstract

Physical activity during the first three decades of life may increase peak bone mass and reduce future osteoporosis risk. The aim of this study was to determine the extent to which different components of physical activity may influence bone mineral status within a representative population sample of young men and women. Bone mineral density (BNID) and content (BMC) were determined at the lumbar spine and femoral neck in 242 men and 212 women, aged 20-25 years, by dual-energy X-ray absorptiometry. Physical activity was assessed by a self-report questionnaire designed to measure the frequency and duration of physical activity and its components (i.e., work, non-sports leisure, sports-related activities, and peak strain sports activities). Potential confounding factors such as height, weight, diet, and smoking habits were also assessed. In multivariate linear regression models, sports activity and peak strain sports activity undertaken by men were strongly associated with both lumbar spine BMD (beta = 0-35 [0.21, 0.49] and beta = 0.31 [0.17, 0.44], respectively) and BMC (beta = 0.33 [0.21, 0.45] and beta = 0.26 [0.14, 0.38], respectively) and femoral neck BMD (beta = 0.35 [0.21, 0.48] and beta = 0.27 [0.14, 0.40], respectively) and BMC (beta = 0.32 [0.19, 0.44] and beta = 0.29 [0.17, 0.41], respectively) (all p < 0.01), but work and non-sports leisure activities were not. In women, there were no associations between bone measurements and any component of physical activity. In models involving all subjects the gender/sports activity, but not the gender/peak strain, interaction term was statistically significant. Sports activity explained 10.4% of the observed variance In lumbar spine BNID in men, but <1% in women. These results demonstrate the importance of sports activities, especially those involving high peak strain, in determining peak bone status in young men. Failure to observe this association in women reflects their lower participation in such activities, but they may have the same capacity to benefit from these activities as men. Intervention studies are warranted to determine whether peak bone density in women can be improved by participating, during childhood and adolescence, in sports activities involving high peak strain. (C) 2002 by Elsevier Science Inc. All rights reserved.
LanguageEnglish
Pages792-798
JournalBone
Volume30
Issue number5
Publication statusPublished - May 2002

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Northern Ireland
Sports
Minerals
Young Adult
Exercise
Bone and Bones
Bone Density
Spine
Femur Neck
Leisure Activities
Linear Models
Photon Absorptiometry
Feeding Behavior
Self Report
Osteoporosis
Smoking
Weights and Measures

Cite this

Neville, CE., Murray, LJ., Boreham, CAG., Gallagher, A., Twisk, J., Robson, PJ., ... Smith, GD. (2002). Relationship between physical activity and bone mineral status in young adults: The Northern Ireland young hearts project. 30(5), 792-798.
Neville, CE ; Murray, LJ ; Boreham, CAG ; Gallagher, Alison ; Twisk, J ; Robson, PJ ; Savage, JM ; Kemper, HCG ; Ralston, SH ; Smith, GD. / Relationship between physical activity and bone mineral status in young adults: The Northern Ireland young hearts project. 2002 ; Vol. 30, No. 5. pp. 792-798.
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abstract = "Physical activity during the first three decades of life may increase peak bone mass and reduce future osteoporosis risk. The aim of this study was to determine the extent to which different components of physical activity may influence bone mineral status within a representative population sample of young men and women. Bone mineral density (BNID) and content (BMC) were determined at the lumbar spine and femoral neck in 242 men and 212 women, aged 20-25 years, by dual-energy X-ray absorptiometry. Physical activity was assessed by a self-report questionnaire designed to measure the frequency and duration of physical activity and its components (i.e., work, non-sports leisure, sports-related activities, and peak strain sports activities). Potential confounding factors such as height, weight, diet, and smoking habits were also assessed. In multivariate linear regression models, sports activity and peak strain sports activity undertaken by men were strongly associated with both lumbar spine BMD (beta = 0-35 [0.21, 0.49] and beta = 0.31 [0.17, 0.44], respectively) and BMC (beta = 0.33 [0.21, 0.45] and beta = 0.26 [0.14, 0.38], respectively) and femoral neck BMD (beta = 0.35 [0.21, 0.48] and beta = 0.27 [0.14, 0.40], respectively) and BMC (beta = 0.32 [0.19, 0.44] and beta = 0.29 [0.17, 0.41], respectively) (all p < 0.01), but work and non-sports leisure activities were not. In women, there were no associations between bone measurements and any component of physical activity. In models involving all subjects the gender/sports activity, but not the gender/peak strain, interaction term was statistically significant. Sports activity explained 10.4{\%} of the observed variance In lumbar spine BNID in men, but <1{\%} in women. These results demonstrate the importance of sports activities, especially those involving high peak strain, in determining peak bone status in young men. Failure to observe this association in women reflects their lower participation in such activities, but they may have the same capacity to benefit from these activities as men. Intervention studies are warranted to determine whether peak bone density in women can be improved by participating, during childhood and adolescence, in sports activities involving high peak strain. (C) 2002 by Elsevier Science Inc. All rights reserved.",
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Neville, CE, Murray, LJ, Boreham, CAG, Gallagher, A, Twisk, J, Robson, PJ, Savage, JM, Kemper, HCG, Ralston, SH & Smith, GD 2002, 'Relationship between physical activity and bone mineral status in young adults: The Northern Ireland young hearts project', vol. 30, no. 5, pp. 792-798.

Relationship between physical activity and bone mineral status in young adults: The Northern Ireland young hearts project. / Neville, CE; Murray, LJ; Boreham, CAG; Gallagher, Alison; Twisk, J; Robson, PJ; Savage, JM; Kemper, HCG; Ralston, SH; Smith, GD.

Vol. 30, No. 5, 05.2002, p. 792-798.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Relationship between physical activity and bone mineral status in young adults: The Northern Ireland young hearts project

AU - Neville, CE

AU - Murray, LJ

AU - Boreham, CAG

AU - Gallagher, Alison

AU - Twisk, J

AU - Robson, PJ

AU - Savage, JM

AU - Kemper, HCG

AU - Ralston, SH

AU - Smith, GD

N1 - 47th Annual Meeting American-College-of-Sports-Medicine, INDIANAPOLIS, INDIANA, JUN 02, 2000

PY - 2002/5

Y1 - 2002/5

N2 - Physical activity during the first three decades of life may increase peak bone mass and reduce future osteoporosis risk. The aim of this study was to determine the extent to which different components of physical activity may influence bone mineral status within a representative population sample of young men and women. Bone mineral density (BNID) and content (BMC) were determined at the lumbar spine and femoral neck in 242 men and 212 women, aged 20-25 years, by dual-energy X-ray absorptiometry. Physical activity was assessed by a self-report questionnaire designed to measure the frequency and duration of physical activity and its components (i.e., work, non-sports leisure, sports-related activities, and peak strain sports activities). Potential confounding factors such as height, weight, diet, and smoking habits were also assessed. In multivariate linear regression models, sports activity and peak strain sports activity undertaken by men were strongly associated with both lumbar spine BMD (beta = 0-35 [0.21, 0.49] and beta = 0.31 [0.17, 0.44], respectively) and BMC (beta = 0.33 [0.21, 0.45] and beta = 0.26 [0.14, 0.38], respectively) and femoral neck BMD (beta = 0.35 [0.21, 0.48] and beta = 0.27 [0.14, 0.40], respectively) and BMC (beta = 0.32 [0.19, 0.44] and beta = 0.29 [0.17, 0.41], respectively) (all p < 0.01), but work and non-sports leisure activities were not. In women, there were no associations between bone measurements and any component of physical activity. In models involving all subjects the gender/sports activity, but not the gender/peak strain, interaction term was statistically significant. Sports activity explained 10.4% of the observed variance In lumbar spine BNID in men, but <1% in women. These results demonstrate the importance of sports activities, especially those involving high peak strain, in determining peak bone status in young men. Failure to observe this association in women reflects their lower participation in such activities, but they may have the same capacity to benefit from these activities as men. Intervention studies are warranted to determine whether peak bone density in women can be improved by participating, during childhood and adolescence, in sports activities involving high peak strain. (C) 2002 by Elsevier Science Inc. All rights reserved.

AB - Physical activity during the first three decades of life may increase peak bone mass and reduce future osteoporosis risk. The aim of this study was to determine the extent to which different components of physical activity may influence bone mineral status within a representative population sample of young men and women. Bone mineral density (BNID) and content (BMC) were determined at the lumbar spine and femoral neck in 242 men and 212 women, aged 20-25 years, by dual-energy X-ray absorptiometry. Physical activity was assessed by a self-report questionnaire designed to measure the frequency and duration of physical activity and its components (i.e., work, non-sports leisure, sports-related activities, and peak strain sports activities). Potential confounding factors such as height, weight, diet, and smoking habits were also assessed. In multivariate linear regression models, sports activity and peak strain sports activity undertaken by men were strongly associated with both lumbar spine BMD (beta = 0-35 [0.21, 0.49] and beta = 0.31 [0.17, 0.44], respectively) and BMC (beta = 0.33 [0.21, 0.45] and beta = 0.26 [0.14, 0.38], respectively) and femoral neck BMD (beta = 0.35 [0.21, 0.48] and beta = 0.27 [0.14, 0.40], respectively) and BMC (beta = 0.32 [0.19, 0.44] and beta = 0.29 [0.17, 0.41], respectively) (all p < 0.01), but work and non-sports leisure activities were not. In women, there were no associations between bone measurements and any component of physical activity. In models involving all subjects the gender/sports activity, but not the gender/peak strain, interaction term was statistically significant. Sports activity explained 10.4% of the observed variance In lumbar spine BNID in men, but <1% in women. These results demonstrate the importance of sports activities, especially those involving high peak strain, in determining peak bone status in young men. Failure to observe this association in women reflects their lower participation in such activities, but they may have the same capacity to benefit from these activities as men. Intervention studies are warranted to determine whether peak bone density in women can be improved by participating, during childhood and adolescence, in sports activities involving high peak strain. (C) 2002 by Elsevier Science Inc. All rights reserved.

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