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Associations of Serum 25-Hydroxyvitamin D with Physical Performance and Bone Health in Overweight and Obese Older Adults

Author

Listed:
  • Melissa Dang

    (Department of Medicine, Melbourne Medical School, The University of Melbourne, Parkville 3010, Australia)

  • Cat Shore-Lorenti

    (Department of Medicine, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton 3168, Australia)

  • Lachlan B. McMillan

    (Department of Medicine, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton 3168, Australia)

  • Jakub Mesinovic

    (Department of Medicine, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton 3168, Australia)

  • Alan Hayes

    (Australian Institute for Musculoskeletal Science (AIMSS), Department of Medicine–Western Health, Melbourne Medical School, The University of Melbourne, St Albans 3021, Australia
    Institute for Health and Sport, Victoria University, Melbourne 3011, Australia)

  • Peter R. Ebeling

    (Department of Medicine, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton 3168, Australia)

  • David Scott

    (Department of Medicine, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton 3168, Australia
    Australian Institute for Musculoskeletal Science (AIMSS), Department of Medicine–Western Health, Melbourne Medical School, The University of Melbourne, St Albans 3021, Australia)

Abstract

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/m 2 (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.

Suggested Citation

  • Melissa Dang & Cat Shore-Lorenti & Lachlan B. McMillan & Jakub Mesinovic & Alan Hayes & Peter R. Ebeling & David Scott, 2019. "Associations of Serum 25-Hydroxyvitamin D with Physical Performance and Bone Health in Overweight and Obese Older Adults," IJERPH, MDPI, vol. 16(3), pages 1-12, February.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:3:p:509-:d:205013
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    Cited by:

    1. David Scott & Peter R. Ebeling, 2019. "Vitamin D and Public Health," IJERPH, MDPI, vol. 16(5), pages 1-3, March.

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