Effect of cardiometabolic risk factors on the relationship between adiposity and bone mass in girls
Bea, Jennifer W.
Blew, Robert M.
Funk, Janet L.
Lee, Vinson R.
Varadi, Tiffany C.
Roe, Denise J.
Wheeler, Mark D.
Going, Scott B.
AffiliationUniv Arizona, Dept Nutr Sci
Univ Arizona, Dept Med
Univ Arizona, Dept Epidemiol & Biostat
Univ Arizona, Dept Pediat Endocrinol
MetadataShow full item record
PublisherNATURE PUBLISHING GROUP
CitationHetherington-Rauth, M., Bea, J. W., Blew, R. M., Funk, J. L., Lee, V. R., Varadi, T. C., ... & Going, S. B. (2018). Effect of cardiometabolic risk factors on the relationship between adiposity and bone mass in girls. International Journal of Obesity, 1. https://doi.org/10.1038/s41366-018-0134-x
JournalINTERNATIONAL JOURNAL OF OBESITY
RightsCopyright © 2018, Springer Nature
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at email@example.com.
AbstractBackground/objective Childhood obesity has been separately associated with cardiometabolic risk factors (CMRs) and increased risk of fracture. However, both augmented and compromised bone mass have been reported among overweight/obese children. Metabolic dysfunction, often co-existing with obesity, may explain the discrepancy in previous studies. The aim of this study was to examine whether the relationship between adiposity and dual-energy X-ray absorptiometry (DXA) derived bone mass differed in young girls with and without CMR(s). Subjects/methods Whole-body bone and body composition measures by DXA and measures of CMR (fasting glucose, high-density lipoprotein cholesterol (HDL-C), triglyceride (TG), systolic and diastolic blood pressure, waist circumference (WC)) were obtained from 307, 9-to 12-year-old girls. Girls with 1 or >= 2 CMR(s) were considered to be at risk (vs. no CMR). Multiple linear regression was used to test the relationship of total fat mass with total body bone mineral content (BMC) after controlling for height, lean mass, CMR risk, and other potential confounders. Results There was a significant interaction between CMR risk and total body fat mass. When girls were stratified by CMR group, all groups had a significant positive relationship between fat mass and BMC (p < 0.05), however, girls with >= 2 CMRs had a lower BMC for a given level of body fat. Total body fat was not significantly related to bone mineral density (p > 0.05). Conclusion Fat mass has a positive relationship with BMC even after controlling for lean mass. However, the positive relationship of fat mass with BMC may be attenuated if multiple CMRs are present.
Note6 month embargo; published online: 11 June 2018
VersionFinal accepted manuscript
SponsorsUS National Institute of Health [R01 HD-074565]
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