Very high prevalence of 25-hydroxyvitamin D deficiency in 6433 UK South Asian adults: analysis of the UK Biobank Cohort

Little research has assessed serum 25-hydroxyvitamin D (25(OH)D) concentration and its predictors in Western-dwelling South Asians in a relatively large sample size. This observational, cross-sectional analysis assessed baseline prevalence of 25(OH)D deficiency in UK-dwelling South Asians (aged 40–6...

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Veröffentlicht in:British journal of nutrition 2021-02, Vol.125 (4), p.448-459
Hauptverfasser: Darling, Andrea L., Blackbourn, David J., Ahmadi, Kourosh R., Lanham-New, Susan A.
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Ahmadi, Kourosh R.
Lanham-New, Susan A.
description Little research has assessed serum 25-hydroxyvitamin D (25(OH)D) concentration and its predictors in Western-dwelling South Asians in a relatively large sample size. This observational, cross-sectional analysis assessed baseline prevalence of 25(OH)D deficiency in UK-dwelling South Asians (aged 40–69 years, 2006–2010) from the UK Biobank Cohort. Serum 25(OH)D measurements were undertaken using the DiaSorin Liaison XL assay. Of 6433 South Asians with a 25(OH)D measurement, using commonly used cut-off thresholds, 55 % (n 3538) had 25(OH)D < 25 nmol/l (severe deficiency) and 92 % (n 5918) had 25(OH)D < 50 nmol/l (insufficiency). Of the participants with a measurement, 20 % (n 1287) had 25(OH)D concentration
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This observational, cross-sectional analysis assessed baseline prevalence of 25(OH)D deficiency in UK-dwelling South Asians (aged 40–69 years, 2006–2010) from the UK Biobank Cohort. Serum 25(OH)D measurements were undertaken using the DiaSorin Liaison XL assay. Of 6433 South Asians with a 25(OH)D measurement, using commonly used cut-off thresholds, 55 % (n 3538) had 25(OH)D < 25 nmol/l (severe deficiency) and 92 % (n 5918) had 25(OH)D < 50 nmol/l (insufficiency). Of the participants with a measurement, 20 % (n 1287) had 25(OH)D concentration <15 nmol/l (very severe deficiency). When 824 participants with undetectable (<10 nmol/l) 25(OH)D measurements were included (total n 7257), 29 % (n 2105) had 25(OH)D < 15 nmol/l, 60 % (n 4354) had 25(OH)D < 25 nmol/l and 93 % (n 6749) had 25(OH)D < 50 nmol/l. Logistic regression predictors of 25(OH)D < 25 nmol/l included the following characteristics: being male; Pakistani; higher BMI; 40–59 years old; never consuming oily fish; summer sun exposure <5 h/d, not using a vitamin D-containing supplement, measurement in winter or spring and vegetarianism. In terms of region, median 25(OH)D concentration was 19–20 nmol/l in Scotland, Northern England, the Midlands and Wales. Across Southern England and London, it was slightly higher at 24–25 nmol/l. Our analyses suggest the need for increased awareness of vitamin D deficiency in South Asians as well as urgent public health interventions to prevent and treat vitamin D deficiency in this group.]]></description><identifier>ISSN: 0007-1145</identifier><identifier>EISSN: 1475-2662</identifier><identifier>DOI: 10.1017/S0007114520002779</identifier><identifier>PMID: 32693845</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>25-Hydroxyvitamin D ; Adult ; Aged ; Asian People ; Biobanks ; Biological Specimen Banks ; Calciferol ; Cohort analysis ; Cohort Studies ; Databases, Factual ; Demography ; Diet ; Dietary supplements ; Dietary Surveys and Nutritional Epidemiology ; Epidemiology ; Female ; Fish oils ; Health promotion ; Humans ; Interactive computer systems ; Male ; Middle Aged ; Nutrition research ; Prevalence ; Public health ; Questionnaires ; Regression analysis ; Seasons ; Software ; United Kingdom ; Variables ; Vegetarianism ; Vitamin D ; Vitamin D - analogs &amp; derivatives ; Vitamin D - blood ; Vitamin D Deficiency - epidemiology ; Vitamin D Deficiency - ethnology ; Vitamin deficiency ; Winter ; Women</subject><ispartof>British journal of nutrition, 2021-02, Vol.125 (4), p.448-459</ispartof><rights>The Author(s), 2020. 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This observational, cross-sectional analysis assessed baseline prevalence of 25(OH)D deficiency in UK-dwelling South Asians (aged 40–69 years, 2006–2010) from the UK Biobank Cohort. Serum 25(OH)D measurements were undertaken using the DiaSorin Liaison XL assay. Of 6433 South Asians with a 25(OH)D measurement, using commonly used cut-off thresholds, 55 % (n 3538) had 25(OH)D < 25 nmol/l (severe deficiency) and 92 % (n 5918) had 25(OH)D < 50 nmol/l (insufficiency). Of the participants with a measurement, 20 % (n 1287) had 25(OH)D concentration <15 nmol/l (very severe deficiency). When 824 participants with undetectable (<10 nmol/l) 25(OH)D measurements were included (total n 7257), 29 % (n 2105) had 25(OH)D < 15 nmol/l, 60 % (n 4354) had 25(OH)D < 25 nmol/l and 93 % (n 6749) had 25(OH)D < 50 nmol/l. Logistic regression predictors of 25(OH)D < 25 nmol/l included the following characteristics: being male; Pakistani; higher BMI; 40–59 years old; never consuming oily fish; summer sun exposure <5 h/d, not using a vitamin D-containing supplement, measurement in winter or spring and vegetarianism. In terms of region, median 25(OH)D concentration was 19–20 nmol/l in Scotland, Northern England, the Midlands and Wales. Across Southern England and London, it was slightly higher at 24–25 nmol/l. 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derivatives</subject><subject>Vitamin D - blood</subject><subject>Vitamin D Deficiency - epidemiology</subject><subject>Vitamin D Deficiency - ethnology</subject><subject>Vitamin deficiency</subject><subject>Winter</subject><subject>Women</subject><issn>0007-1145</issn><issn>1475-2662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>IKXGN</sourceid><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kctu1DAUhi0EokPhAdggS2zYBHy3wwKpDFdRiUUpW8tx7IlLEg92MpC3x1GHchMr--j_zn9uADzE6ClGWD67QAhJjBkn5UOkrG-BDWaSV0QIchtsVrla9RNwL-erEiqM6rvghBJRU8X4Bnz77NICu7Dr4D65g-ndaB2MHhJedUub4vflECYzhBG-gq3zwYZCLLDEglEKLz_AizhPHTzLwYzQtHM_5efQjKZfcsir09S5FXsZYmPGL3Abu5im--CON312D47vKbh88_rT9l11_vHt--3ZeWWZxFPVKFUrwzGhXipqheC183WLLGukLdN5wgQRxNSmdNNyKbyjpFGtEB4pRiU9BS-uffdzM7jWunFKptf7FAaTFh1N0H8qY-j0Lh60VIwJxIvBk6NBil9nlyc9hGxd35vRxTlrwojAiitMC_r4L_QqzqlsYqWkkkSW_RcKX1M2xZyT8zfNYKTXs-p_zlpyHv0-xU3GzzsWgB5NzdCk0O7cr9r_t_0BNgaq1Q</recordid><startdate>20210228</startdate><enddate>20210228</enddate><creator>Darling, Andrea L.</creator><creator>Blackbourn, David J.</creator><creator>Ahmadi, Kourosh R.</creator><creator>Lanham-New, Susan A.</creator><general>Cambridge University Press</general><scope>IKXGN</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QP</scope><scope>7RV</scope><scope>7T5</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8C1</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AN0</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-7038-3161</orcidid></search><sort><creationdate>20210228</creationdate><title>Very high prevalence of 25-hydroxyvitamin D deficiency in 6433 UK South Asian adults: analysis of the UK Biobank Cohort</title><author>Darling, Andrea L. ; 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This observational, cross-sectional analysis assessed baseline prevalence of 25(OH)D deficiency in UK-dwelling South Asians (aged 40–69 years, 2006–2010) from the UK Biobank Cohort. Serum 25(OH)D measurements were undertaken using the DiaSorin Liaison XL assay. Of 6433 South Asians with a 25(OH)D measurement, using commonly used cut-off thresholds, 55 % (n 3538) had 25(OH)D < 25 nmol/l (severe deficiency) and 92 % (n 5918) had 25(OH)D < 50 nmol/l (insufficiency). Of the participants with a measurement, 20 % (n 1287) had 25(OH)D concentration <15 nmol/l (very severe deficiency). When 824 participants with undetectable (<10 nmol/l) 25(OH)D measurements were included (total n 7257), 29 % (n 2105) had 25(OH)D < 15 nmol/l, 60 % (n 4354) had 25(OH)D < 25 nmol/l and 93 % (n 6749) had 25(OH)D < 50 nmol/l. Logistic regression predictors of 25(OH)D < 25 nmol/l included the following characteristics: being male; Pakistani; higher BMI; 40–59 years old; never consuming oily fish; summer sun exposure <5 h/d, not using a vitamin D-containing supplement, measurement in winter or spring and vegetarianism. In terms of region, median 25(OH)D concentration was 19–20 nmol/l in Scotland, Northern England, the Midlands and Wales. Across Southern England and London, it was slightly higher at 24–25 nmol/l. Our analyses suggest the need for increased awareness of vitamin D deficiency in South Asians as well as urgent public health interventions to prevent and treat vitamin D deficiency in this group.]]></abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><pmid>32693845</pmid><doi>10.1017/S0007114520002779</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-7038-3161</orcidid><oa>free_for_read</oa></addata></record>
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subjects 25-Hydroxyvitamin D
Adult
Aged
Asian People
Biobanks
Biological Specimen Banks
Calciferol
Cohort analysis
Cohort Studies
Databases, Factual
Demography
Diet
Dietary supplements
Dietary Surveys and Nutritional Epidemiology
Epidemiology
Female
Fish oils
Health promotion
Humans
Interactive computer systems
Male
Middle Aged
Nutrition research
Prevalence
Public health
Questionnaires
Regression analysis
Seasons
Software
United Kingdom
Variables
Vegetarianism
Vitamin D
Vitamin D - analogs & derivatives
Vitamin D - blood
Vitamin D Deficiency - epidemiology
Vitamin D Deficiency - ethnology
Vitamin deficiency
Winter
Women
title Very high prevalence of 25-hydroxyvitamin D deficiency in 6433 UK South Asian adults: analysis of the UK Biobank Cohort
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