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Elsevier, Journal of Steroid Biochemistry and Molecular Biology, 1-2(121), p. 459-461

DOI: 10.1016/j.jsbmb.2010.03.038

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Seasonal 25-hydroxyvitamin D changes in British postmenopausal women at 57°N and 51°N: A longitudinal study

Journal article published in 2010 by A. Mavroeidi, F. O’Neill, P. A. Lee, A. L. Darling ORCID, W. D. Fraser, J. L. Berry, W. T. Lee, D. M. Reid, S. A. Lanham-New ORCID, H. M. Macdonald
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The UK has insufficient intensity of sunlight at wavelengths 290-315 nm to enable cutaneous synthesis of vitamin D from October to April. There are regional differences in UVB strength throughout the UK but whether this translates to differences in vitamin D status is not known. We have reported seasonal variations in a cross-sectional study of over 3000 Scottish women in Aberdeen. The aim of this longitudinal study was to compare the seasonal variation of serum 25-hydroxyvitamin D [25(OH)D] in postmenopausal women residing in Aberdeen (57 degrees N) and Surrey (51 degrees N). Women attended 3-monthly visits over 12 months, starting summer 2006. In Aberdeen, 338 Caucasian women (mean age+/-SD, 61.7+/-1.5 years); and at Surrey, 138 Caucasian women (61.4+/-4.5 years) and 35 Asian women (59.9+/-6.4 years) had serum 25(OH)D measured by IDS enzyme immunoassay. In winter/spring none of the Caucasian women living in Surrey had 25(OH)D