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Association of early-life famine exposure with low bone mass in adulthood

Association of early-life famine exposure with low bone mass in adulthood SummaryFamine exposure in early life has been found to have a long-term effect on metabolic diseases, but its effect on bone health was not clear. In this study, we found women, who suffered from famine exposure during their childhood or adolescence period, had significantly decreased BMD at several skeletal sites compared to the age-matched non-exposed groups. The risk of clinical fracture was also elevated in adolescence-exposed women.PurposeTo investigate the correlation between famine exposure at certain stages and bone mass in adulthood.MethodsWe enrolled participants born in 1943–1962 from the China Osteoporosis Prevalence Study (COPS), which were classified into three famine exposure groups according to their birth year: fetal-famine exposure (1959–1962, n = 1693), childhood-famine exposure (1949–1958, n = 5557), and adolescence-famine exposure (1943–1948, n = 1530). We also selected age-balanced non-exposed participants as the control groups for men and women separately. Bone mineral density (BMD) and vertebral fractures (VFs) were measured by dual X-ray absorptiometry (DXA) and X-ray, respectively. The associations of famine exposure in early life with BMD were assessed via multiple linear regression. Logistic regression was performed to examine the association of famine exposure in early life with fracture risk with adjustments for covariates.ResultsIn women, the childhood-exposed and adolescence-exposed groups had significantly decreased BMD at several skeletal sites compared to the age-matched non-exposed groups. No significant decreased BMD was found in the fetal-exposed groups compared to the non-exposed groups in both sexes. Multiple linear regression analysis showed that famine exposure during childhood and adolescence was negatively associated with BMD at the femoral neck after adjusting for covariates in women. The risk of clinical fracture was also elevated in adolescence-exposed women.ConclusionFamine exposure during early life especially childhood and adolescence is associated with decreased bone mass in adulthood in women but did not affect bone mass in men. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Osteoporosis Springer Journals

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References (39)

Publisher
Springer Journals
Copyright
Copyright © International Osteoporosis Foundation and Bone Health and Osteoporosis Foundation 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
1862-3522
eISSN
1862-3514
DOI
10.1007/s11657-022-01209-3
Publisher site
See Article on Publisher Site

Abstract

SummaryFamine exposure in early life has been found to have a long-term effect on metabolic diseases, but its effect on bone health was not clear. In this study, we found women, who suffered from famine exposure during their childhood or adolescence period, had significantly decreased BMD at several skeletal sites compared to the age-matched non-exposed groups. The risk of clinical fracture was also elevated in adolescence-exposed women.PurposeTo investigate the correlation between famine exposure at certain stages and bone mass in adulthood.MethodsWe enrolled participants born in 1943–1962 from the China Osteoporosis Prevalence Study (COPS), which were classified into three famine exposure groups according to their birth year: fetal-famine exposure (1959–1962, n = 1693), childhood-famine exposure (1949–1958, n = 5557), and adolescence-famine exposure (1943–1948, n = 1530). We also selected age-balanced non-exposed participants as the control groups for men and women separately. Bone mineral density (BMD) and vertebral fractures (VFs) were measured by dual X-ray absorptiometry (DXA) and X-ray, respectively. The associations of famine exposure in early life with BMD were assessed via multiple linear regression. Logistic regression was performed to examine the association of famine exposure in early life with fracture risk with adjustments for covariates.ResultsIn women, the childhood-exposed and adolescence-exposed groups had significantly decreased BMD at several skeletal sites compared to the age-matched non-exposed groups. No significant decreased BMD was found in the fetal-exposed groups compared to the non-exposed groups in both sexes. Multiple linear regression analysis showed that famine exposure during childhood and adolescence was negatively associated with BMD at the femoral neck after adjusting for covariates in women. The risk of clinical fracture was also elevated in adolescence-exposed women.ConclusionFamine exposure during early life especially childhood and adolescence is associated with decreased bone mass in adulthood in women but did not affect bone mass in men.

Journal

Archives of OsteoporosisSpringer Journals

Published: Feb 14, 2023

Keywords: Famine exposure; Bone mineral density; Osteoporosis; Fracture risk; Adulthood

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