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- Title
Vitamin D supplement use and associated demographic, dietary and lifestyle factors in 8024 South Asians aged 40-69 years: analysis of the UK Biobank cohort.
- Authors
Darling, Andrea L; Blackbourn, David J; Ahmadi, Kourosh R; Lanham-New, Susan A
- Abstract
<bold>Objective: </bold>Vitamin D deficiency (serum 25-hydroxyvitamin D<25nmol/L) is extremely common in western-dwelling South Asians but evidence regarding vitamin D supplement usage in this group is very limited. This work identifies demographic, dietary and lifestyle predictors associated with vitamin D supplement use.<bold>Design: </bold>Cross-sectional analysis of baseline vitamin D supplement use data.<bold>Setting: </bold>UK Biobank cohort.<bold>Subjects: </bold>In total, n 8024 South Asians (Bangladeshi, Indian, Pakistani), aged 40-69 years.<bold>Results: </bold>Twenty-three % of men and 39% of women (P<0.001) [22% of Bangladeshis, 32% of Indians, 25% of Pakistanis (P<0.001)] took a vitamin D containing supplement. Median vitamin D intakes from diet were low at 1.0-3.0 micrograms per day, being highest in Bangladeshis and lowest in Indians (P<0.001). Logistic regression modelling showed that females had a higher odds of vitamin D supplement use than males (odds ratio (OR) = 2.02; 95% confidence interval (CI) 1.79 to 2.28). A lower supplement usage was seen in younger persons (40-60 years) (OR=0.75; 95% CI 0.65 to 0.86 reference= >60 years), and those living outside of Greater London (OR=0.53 to 0.77), with borderline trends for a lower body mass index, higher oily fish intake and higher household income associated with increased odds of vitamin D supplement use.<bold>Conclusions: </bold>Vitamin D supplements were not used by most South Asians and intakes from diet alone are likely to be insufficient to maintain adequate vitamin D status. Public health strategies are now urgently required to promote the use of vitamin D supplements in these specific UK South Asian subgroups.
- Subjects
UNITED Kingdom; ASIA; DIETARY supplements; VITAMIN D; SOUTH Asians; VITAMIN D deficiency; CALCIUM supplements; YOUTH; COMPARATIVE studies; DEMOGRAPHY; INGESTION; RESEARCH methodology; MEDICAL cooperation; RESEARCH; RESEARCH funding; TISSUE banks; EVALUATION research; LIFESTYLES; CROSS-sectional method
- Publication
Public Health Nutrition, 2018, Vol 21, Issue 14, p2678
- ISSN
1368-9800
- Publication type
journal article
- DOI
10.1017/S1368980018001404