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Associations of serum 25-hydroxyvitamin d with physical performance and bone health in overweight and obese older adults

Dang, M, Shore-Lorenti, C, McMillan, LB, Mesinovic, J, Hayes, A, Ebeling, PR and Scott, D 2019, Associations of serum 25-hydroxyvitamin d with physical performance and bone health in overweight and obese older adults, International Journal of Environmental Research and Public Health, vol. 16, no. 3, pp. 1-12, doi: 10.3390/ijerph16030509.

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Title Associations of serum 25-hydroxyvitamin d with physical performance and bone health in overweight and obese older adults
Author(s) Dang, M
Shore-Lorenti, C
McMillan, LB
Mesinovic, J
Hayes, A
Ebeling, PR
Scott, DORCID iD for Scott, D orcid.org/0000-0001-5226-1972
Journal name International Journal of Environmental Research and Public Health
Volume number 16
Issue number 3
Article ID 509
Start page 1
End page 12
Total pages 12
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2019-02-12
ISSN 1661-7827
1660-4601
Keyword(s) 25-hydroxyvitamin D
physical function
muscle strength
bone
obesity
ageing
Science & Technology
Life Sciences & Biomedicine
Environmental Sciences
Public, Environmental & Occupational Health
Environmental Sciences & Ecology
VITAMIN-D-RECEPTOR
LOWER-EXTREMITY FUNCTION
BODY-COMPOSITION
MINERAL DENSITY
OSTEOPOROTIC FRACTURES
GAIT SPEED
WOMEN
MEN
FALLS
Summary Low vitamin D status commonly accompanies obesity, and both vitamin D deficiency and obesity have been associated with falls and fracture risk in older adults. We aimed to determine the associations of serum 25-hydroxyvitamin D (25(OH)D) concentrations with physical performance and bone health in community-dwelling, overweight and obese older men and women. Serum 25(OH)D concentrations were measured in 84 participants with body mass index ≥25 kg/m2 (mean ± SD age 62.4 ± 7.9 years; 55% women). Physical function was determined by short physical performance battery, hand grip and quadriceps strength, and stair climb power tests. Body composition and bone structure were assessed by dual-energy X-ray absorptiometry and peripheral quantitative computed tomography, respectively. Mean ± SD 25(OH)D was 49.6 ± 17.7 nmol/L, and 50% of participants had low 25(OH)D (<50 nmol/L) levels. 25(OH)D concentrations were positively associated with quadricep strength and stair climb power in women (B = 0.15; 95% CI 0.02–0.27 kg and B = 1.07; 95% CI 0.12–2.03 W, respectively) but not in men. There were no associations between 25(OH)D and bone parameters in either sex after multivariable adjustment (all p > 0.05). Lower 25(OH)D concentrations are associated with poorer quadricep strength and muscle power in overweight and obese older women but not men.
Language eng
DOI 10.3390/ijerph16030509
Indigenous content off
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2019, the authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30139974

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.