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Australas J Ageing. 2013 Sep;32(3):177-83. doi: 10.1111/j.1741-6612.2011.00553.x. Epub 2011 Jul 25.

The prevalence of vitamin D deficiency and relationship with fracture risk in older women presenting in Australian general practice.

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  • 1Women's Health Research Program, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia Servier Laboratories, Melbourne, Victoria, Australia School of Primary Health Care, Monash University, Melbourne, Victoria, Australia.

Abstract

AIM:

To investigate vitamin D status among older women and to explore relationships between vitamin D and fracture risk and vertebral fractures.

METHODS:

A total of 267 general practitioners recruited 2466 women aged >70 years with no known osteoporosis or fragility fracture. Serum 25-hydroxy vitamin D (25(OH)D), bone mineral density by dual-energy X-ray absorptiometry (DXA) and vertebral fracture on thoracolumbar X-ray were determined.

RESULTS:

A total of 2368 women, median age 76 years, provided data and of these 13% were on vitamin D supplements. 25(OH)D levels were available for 907 (44.1%) of those not taking vitamin D. 88.3% of these had a level below 75 nmol/L. Serum 25(OH)D was negatively associated with age (P = 0.003) and body mass index (P < 0.001), and positively associated with lower latitude, femoral neck DXA T-score (P = 0.044) and being Caucasian (P < 0.001).

CONCLUSIONS:

The vitamin D status of community-dwelling older Australian women is inadequate, yet the use of supplements is low.

© 2011 The Authors. Australasian Journal on Ageing © 2011 ACOTA.

KEYWORDS:

fracture prevention; older people; osteoporosis; vitamin D

PMID:
24028458
[PubMed - indexed for MEDLINE]
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