Socioeconomic status and bone mineral density in a population-based sample of men

Brennan, Sharon L., Henry, Margaret J., Wluka, Anita E., Nicholson, Geoffrey C., Kotowicz, Mark A. and Pasco, Julie A. 2010, Socioeconomic status and bone mineral density in a population-based sample of men, Bone, vol. 46, no. 4, pp. 993-999, doi: 10.1016/j.bone.2009.12.029.

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Title Socioeconomic status and bone mineral density in a population-based sample of men
Author(s) Brennan, Sharon L.
Henry, Margaret J.
Wluka, Anita E.
Nicholson, Geoffrey C.
Kotowicz, Mark A.ORCID iD for Kotowicz, Mark A.
Pasco, Julie A.ORCID iD for Pasco, Julie A.
Journal name Bone
Volume number 46
Issue number 4
Start page 993
End page 999
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2010-04
ISSN 8756-3282
Keyword(s) socioeconomic status
social disadvantage
femoral neck
Summary Overall, socioeconomic status (SES) is inversely associated with poorer health outcomes. However, current literature provides conflicting data of the relationship between SES and bone mineral density (BMD) in men. In an age-stratified population-based randomly selected cross-sectional study of men (n = 1467) we assessed the association between SES and lifestyle exposures in relation to BMD. SES was determined by matching the residential address for each subject with Australian Bureau of Statistics 2006 census data for the study region. BMD was measured at the spine and femoral neck by dual energy X-ray absorptiometry. Lifestyle variables were collected by self-report. Regression models were age-stratified into younger and older groups and adjusted for age, weight, dietary calcium, physical activity, and medications known to affect bone. Subjects with spinal abnormalities were excluded from analyses of BMD at the spine. In younger men, BMD was highest at the spine in the mid quintiles of SES, where differences were observed compared to quintile 1 (1–7%, p < 0.05). In older men, the pattern of BMD across SES quintiles was reversed, and subjects from mid quintiles had the lowest BMD, with differences observed compared to quintile 5 (1–7%, p < 0.05). Differences in BMD at the spine across SES quintiles represent a potential 1.5-fold increase in fracture risk for those with the lowest BMD. There were no differences in BMD at the femoral neck. Further research is warranted which examines the mechanisms that may underpin differences in BMD across SES quintiles and to address the current paucity of data in this field of enquiry.
Language eng
DOI 10.1016/j.bone.2009.12.029
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2009, Elsevier
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Document type: Journal Article
Collection: School of Medicine
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