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Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia

Vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D) concentrations <50 nmol/L) is a public health issue in Australia and internationally. Those with darker skin require a greater dose of ultraviolet B radiation from sunlight than those with paler skin to synthesise adequate amounts of vitam...

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Autores principales: Horton-French, Kahlea, Dunlop, Eleanor, Lucas, Robyn M., Pereira, Gavin, Black, Lucinda J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6720761/
https://www.ncbi.nlm.nih.gov/pubmed/31405087
http://dx.doi.org/10.3390/ijerph16162855
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author Horton-French, Kahlea
Dunlop, Eleanor
Lucas, Robyn M.
Pereira, Gavin
Black, Lucinda J.
author_facet Horton-French, Kahlea
Dunlop, Eleanor
Lucas, Robyn M.
Pereira, Gavin
Black, Lucinda J.
author_sort Horton-French, Kahlea
collection PubMed
description Vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D) concentrations <50 nmol/L) is a public health issue in Australia and internationally. Those with darker skin require a greater dose of ultraviolet B radiation from sunlight than those with paler skin to synthesise adequate amounts of vitamin D. Using data from the 2011–2013 Australian Health Survey, we investigated the prevalence and predictors of vitamin D deficiency in African immigrants aged ≥18 years living in Australia (n = 236). Serum 25(OH)D was measured using a liquid chromatography–tandem mass spectrometry method that is certified to international reference measurement procedures. Poisson regression was used to investigate independent predictors of vitamin D deficiency. A total of 36% of adults were vitamin D deficient (35% of men, 37% of women). The prevalence ratio (PR) of vitamin D deficiency decreased by 2% per year of age (PR 0.98; 95% CI (0.97, 0.99); p = 0.004) and was 1.6 times higher in those with low/sedentary, compared to moderate/high, physical activity levels (PR 1.64; 95% CI (1.12, 2.39); p = 0.011). The greatest risk was for those assessed during winter/spring compared with summer/autumn (PR 1.89; 95% CI (1.33, 2.64); p < 0.001). Culturally appropriate messaging on safe sun exposure and dietary vitamin D is warranted in order to promote vitamin D sufficiency in African immigrants living in Australia.
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spelling pubmed-67207612019-09-10 Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia Horton-French, Kahlea Dunlop, Eleanor Lucas, Robyn M. Pereira, Gavin Black, Lucinda J. Int J Environ Res Public Health Article Vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D) concentrations <50 nmol/L) is a public health issue in Australia and internationally. Those with darker skin require a greater dose of ultraviolet B radiation from sunlight than those with paler skin to synthesise adequate amounts of vitamin D. Using data from the 2011–2013 Australian Health Survey, we investigated the prevalence and predictors of vitamin D deficiency in African immigrants aged ≥18 years living in Australia (n = 236). Serum 25(OH)D was measured using a liquid chromatography–tandem mass spectrometry method that is certified to international reference measurement procedures. Poisson regression was used to investigate independent predictors of vitamin D deficiency. A total of 36% of adults were vitamin D deficient (35% of men, 37% of women). The prevalence ratio (PR) of vitamin D deficiency decreased by 2% per year of age (PR 0.98; 95% CI (0.97, 0.99); p = 0.004) and was 1.6 times higher in those with low/sedentary, compared to moderate/high, physical activity levels (PR 1.64; 95% CI (1.12, 2.39); p = 0.011). The greatest risk was for those assessed during winter/spring compared with summer/autumn (PR 1.89; 95% CI (1.33, 2.64); p < 0.001). Culturally appropriate messaging on safe sun exposure and dietary vitamin D is warranted in order to promote vitamin D sufficiency in African immigrants living in Australia. MDPI 2019-08-10 2019-08 /pmc/articles/PMC6720761/ /pubmed/31405087 http://dx.doi.org/10.3390/ijerph16162855 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Horton-French, Kahlea
Dunlop, Eleanor
Lucas, Robyn M.
Pereira, Gavin
Black, Lucinda J.
Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia
title Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia
title_full Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia
title_fullStr Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia
title_full_unstemmed Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia
title_short Prevalence and Predictors of Vitamin D Deficiency among African Immigrants Living in Australia
title_sort prevalence and predictors of vitamin d deficiency among african immigrants living in australia
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6720761/
https://www.ncbi.nlm.nih.gov/pubmed/31405087
http://dx.doi.org/10.3390/ijerph16162855
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