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Global Perspective of the Vitamin D Status of African-Caribbean Populations: A Systematic Review and Meta-analysis

BACKGROUND/OBJECTIVES: Vitamin D deficiency remains a global public health issue, particularly in minority ethnic groups. This review investigates the vitamin D status (as measured by 25(OH)D and dietary intake) of the African-Caribbean population globally. SUBJECTS/METHODS: A systematic review was...

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Detalles Bibliográficos
Autores principales: Vearing, Rebecca M., Hart, Kathryn H., Darling, Andrea L., Probst, Yasmine, Olayinka, Aminat S., Mendis, Jeewaka, Ribeiro, Helena, Thakur, Siddhartha, Mendes, Marcela, Charlton, Karen, Lanham-New, Susan A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8993683/
https://www.ncbi.nlm.nih.gov/pubmed/34282293
http://dx.doi.org/10.1038/s41430-021-00980-9
Descripción
Sumario:BACKGROUND/OBJECTIVES: Vitamin D deficiency remains a global public health issue, particularly in minority ethnic groups. This review investigates the vitamin D status (as measured by 25(OH)D and dietary intake) of the African-Caribbean population globally. SUBJECTS/METHODS: A systematic review was conducted by searching key databases (PUBMED, Web of Science, Scopus) from inception until October 2019. Search terms included ‘Vitamin D status’ and ‘African-Caribbean’. A random effects and fixed effects meta-analysis was performed by combining means and standard error of the mean. RESULT: The search yielded 19 papers that included n = 5670 African-Caribbean participants from six countries. A meta-analysis found this population to have sufficient (>50 nmol/L) 25(OH)D levels at 67.8 nmol/L, 95% CI (57.9, 7.6) but poor dietary intake of vitamin D at only 3.0 µg/day, 95% CI (1.67,4.31). For those living at low latitudes ‘insufficient’ (as defined by study authors) 25(OH)D levels were found only in participants with type 2 diabetes and in those undergoing haemodialysis. Suboptimal dietary vitamin D intake (according to the UK recommended nutrient intake of 10 µg/day) was reported in all studies at high latitudes. Studies at lower latitudes, with lower recommended dietary intakes (Caribbean recommended dietary intake: 2.5 µg/day) found ‘sufficient’ intake in two out of three studies. CONCLUSIONS: 25(OH)D sufficiency was found in African-Caribbean populations at lower latitudes. However, at higher latitudes, 25(OH)D deficiency and low dietary vitamin D intake was prevalent.