Effect of adiposity on vitamin D status and the 25-hydroxycholecalciferol response to supplementation in healthy young and older Irish adults

Kirsty Forsythe, M. Barbara E. Livingstone, Maria Mulhern, Geraldine Horigan, E. M. McSorley, Maxine P. Bonham, Pamela Magee, Tom R. Hill, Alice J. Lucey, Kevin D. Cashman, Mairead Kiely, JJ Strain, Julie M. W. Wallace

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Abstract

There is increasing epidemiological evidence linking sub-optimal vitamin D status with overweight and obesity. Although increasing BMI and adiposity have also been negatively associated with the change in vitamin D status following supplementation, results have been equivocal. The aim of this randomised, placebo-controlled study was to investigate the associations between anthropometric measures of adiposity and the wintertime serum 25-hydroxycholecalciferol (25(OH)D) response to 15 mcg cholecalciferol per d in healthy young and older Irish adults. A total of 110 young adults (20–40 years) and 102 older adults (>=64 years) completed the 22-week intervention with >85% compliance. The change in 25(OH)D from baseline was calculated. Anthropometric measures of adiposity taken at baseline included height, weight and waist circumference (WC), along with skinfold thickness measurements to estimate fat mass (FM). FM was subsequently expressed as FM (kg), FM (%), FM index (FMI (FM kg/height m2)) and as a percentage ratio to fat-free mass (FFM). In older adults, vitamin D status was inversely associated with BMI (kg/m2), WC (cm), FM (kg and %), FMI (kg/m2) and FM:FFM (%) at baseline (r -0·33, -0·36, -0·33, -0·30, -0·33 and -0·27, respectively, all P values
LanguageEnglish
Pages126-134
JournalBRITISH JOURNAL OF NUTRITION
Volume107
Issue number1
DOIs
Publication statusPublished - Jan 2012

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Calcifediol
Adiposity
Vitamin D
Fats
Waist Circumference
Skinfold Thickness
Cholecalciferol
Compliance
Young Adult
Obesity
Placebos

Keywords

  • Vitamin D status: 25-Hydroxycholecalciferol: Adiposity: BMI: Healthy adults

Cite this

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abstract = "There is increasing epidemiological evidence linking sub-optimal vitamin D status with overweight and obesity. Although increasing BMI and adiposity have also been negatively associated with the change in vitamin D status following supplementation, results have been equivocal. The aim of this randomised, placebo-controlled study was to investigate the associations between anthropometric measures of adiposity and the wintertime serum 25-hydroxycholecalciferol (25(OH)D) response to 15 mcg cholecalciferol per d in healthy young and older Irish adults. A total of 110 young adults (20–40 years) and 102 older adults (>=64 years) completed the 22-week intervention with >85{\%} compliance. The change in 25(OH)D from baseline was calculated. Anthropometric measures of adiposity taken at baseline included height, weight and waist circumference (WC), along with skinfold thickness measurements to estimate fat mass (FM). FM was subsequently expressed as FM (kg), FM ({\%}), FM index (FMI (FM kg/height m2)) and as a percentage ratio to fat-free mass (FFM). In older adults, vitamin D status was inversely associated with BMI (kg/m2), WC (cm), FM (kg and {\%}), FMI (kg/m2) and FM:FFM ({\%}) at baseline (r -0·33, -0·36, -0·33, -0·30, -0·33 and -0·27, respectively, all P values",
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Effect of adiposity on vitamin D status and the 25-hydroxycholecalciferol response to supplementation in healthy young and older Irish adults. / Forsythe, Kirsty; Livingstone, M. Barbara E.; Mulhern, Maria; Horigan, Geraldine; McSorley, E. M.; Bonham, Maxine P.; Magee, Pamela; Hill, Tom R.; Lucey, Alice J.; Cashman, Kevin D.; Kiely, Mairead; Strain, JJ; Wallace, Julie M. W.

In: BRITISH JOURNAL OF NUTRITION, Vol. 107, No. 1, 01.2012, p. 126-134.

Research output: Contribution to journalArticle

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AU - Forsythe, Kirsty

AU - Livingstone, M. Barbara E.

AU - Mulhern, Maria

AU - Horigan, Geraldine

AU - McSorley, E. M.

AU - Bonham, Maxine P.

AU - Magee, Pamela

AU - Hill, Tom R.

AU - Lucey, Alice J.

AU - Cashman, Kevin D.

AU - Kiely, Mairead

AU - Strain, JJ

AU - Wallace, Julie M. W.

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N2 - There is increasing epidemiological evidence linking sub-optimal vitamin D status with overweight and obesity. Although increasing BMI and adiposity have also been negatively associated with the change in vitamin D status following supplementation, results have been equivocal. The aim of this randomised, placebo-controlled study was to investigate the associations between anthropometric measures of adiposity and the wintertime serum 25-hydroxycholecalciferol (25(OH)D) response to 15 mcg cholecalciferol per d in healthy young and older Irish adults. A total of 110 young adults (20–40 years) and 102 older adults (>=64 years) completed the 22-week intervention with >85% compliance. The change in 25(OH)D from baseline was calculated. Anthropometric measures of adiposity taken at baseline included height, weight and waist circumference (WC), along with skinfold thickness measurements to estimate fat mass (FM). FM was subsequently expressed as FM (kg), FM (%), FM index (FMI (FM kg/height m2)) and as a percentage ratio to fat-free mass (FFM). In older adults, vitamin D status was inversely associated with BMI (kg/m2), WC (cm), FM (kg and %), FMI (kg/m2) and FM:FFM (%) at baseline (r -0·33, -0·36, -0·33, -0·30, -0·33 and -0·27, respectively, all P values

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