Investigating the patterns and determinants of seasonal variation in Vitamin D status in Australian adults: The Seasonal D Cohort Study

Laura King; Keith Dear; Simone L. Harrison; Ingrid Van Der Mei; Alison M. Brodie; Michael G. Kimlin; Robyn M. Lucas

doi:10.1186/s12889-016-3582-z

Investigating the patterns and determinants of seasonal variation in Vitamin D status in Australian adults: The Seasonal D Cohort Study

Laura King, Keith Dear, Simone L. Harrison, Ingrid Van Der Mei, Alison M. Brodie, Michael G. Kimlin, Robyn M. Lucas^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Research › peer-review

14 Citations (Scopus)

22 Downloads (Pure)

Abstract

Background:

Vitamin D status generally varies seasonally with changing solar UVB radiation, time in the sun, amount of skin exposed, and, possibly, diet. The Seasonal D Study was designed to quantify the amplitude and phase of seasonal variation in the serum concentration of 25-hydroxyvitamin D, (25OH)D)) and identify the determinants of the amplitude and phase and those of inter-individual variability in seasonal pattern.

Methods:

The Seasonal D Study collected data 2-monthly for 12 months, including demographics, personal sun exposure using a diary and polysulphone dosimeters over 7 days, and blood for serum 25(OH)D concentration. The study recruited 333 adults aged 18-79 years living in Canberra (35°S, n = 168) and Brisbane (27°South, n = 165), Australia.

Discussion:

We report the study design and cohort description for the Seasonal D Study. The study has collected a wealth of data to examine inter- and intra-individual seasonal variation in vitamin D status and serum 25(OH)D levels in Australian adults.

Original language	English
Article number	892
Journal	BMC Public Health
Volume	16
Issue number	1
DOIs	https://doi.org/10.1186/s12889-016-3582-z
Publication status	Published - 26 Aug 2016
Externally published	Yes

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Investigating the patterns and determinants of seasonal variation in Vitamin D status in Australian adults: The Seasonal D Cohort StudyFinal published version, 451 KBLicence: CC BY

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title = "Investigating the patterns and determinants of seasonal variation in Vitamin D status in Australian adults: The Seasonal D Cohort Study",

abstract = "Background: Vitamin D status generally varies seasonally with changing solar UVB radiation, time in the sun, amount of skin exposed, and, possibly, diet. The Seasonal D Study was designed to quantify the amplitude and phase of seasonal variation in the serum concentration of 25-hydroxyvitamin D, (25OH)D)) and identify the determinants of the amplitude and phase and those of inter-individual variability in seasonal pattern. Methods: The Seasonal D Study collected data 2-monthly for 12 months, including demographics, personal sun exposure using a diary and polysulphone dosimeters over 7 days, and blood for serum 25(OH)D concentration. The study recruited 333 adults aged 18-79 years living in Canberra (35°S, n = 168) and Brisbane (27°South, n = 165), Australia. Discussion: We report the study design and cohort description for the Seasonal D Study. The study has collected a wealth of data to examine inter- and intra-individual seasonal variation in vitamin D status and serum 25(OH)D levels in Australian adults.",

author = "Laura King and Keith Dear and Harrison, {Simone L.} and {Van Der Mei}, Ingrid and Brodie, {Alison M.} and Kimlin, {Michael G.} and Lucas, {Robyn M.}",

note = "Funding Information: The Seasonal D Study was funded by the National Health and Medical Research Council (Project Grant #1023987). The funding body had no role in the design of the study, data collection, analysis and interpretation of the data or in writing the manuscript. Publisher Copyright: {\textcopyright} 2016 The Author(s).",

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doi = "10.1186/s12889-016-3582-z",

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AU - Dear, Keith

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AU - Brodie, Alison M.

AU - Kimlin, Michael G.

AU - Lucas, Robyn M.

N1 - Funding Information: The Seasonal D Study was funded by the National Health and Medical Research Council (Project Grant #1023987). The funding body had no role in the design of the study, data collection, analysis and interpretation of the data or in writing the manuscript. Publisher Copyright: © 2016 The Author(s).

PY - 2016/8/26

Y1 - 2016/8/26

N2 - Background: Vitamin D status generally varies seasonally with changing solar UVB radiation, time in the sun, amount of skin exposed, and, possibly, diet. The Seasonal D Study was designed to quantify the amplitude and phase of seasonal variation in the serum concentration of 25-hydroxyvitamin D, (25OH)D)) and identify the determinants of the amplitude and phase and those of inter-individual variability in seasonal pattern. Methods: The Seasonal D Study collected data 2-monthly for 12 months, including demographics, personal sun exposure using a diary and polysulphone dosimeters over 7 days, and blood for serum 25(OH)D concentration. The study recruited 333 adults aged 18-79 years living in Canberra (35°S, n = 168) and Brisbane (27°South, n = 165), Australia. Discussion: We report the study design and cohort description for the Seasonal D Study. The study has collected a wealth of data to examine inter- and intra-individual seasonal variation in vitamin D status and serum 25(OH)D levels in Australian adults.

AB - Background: Vitamin D status generally varies seasonally with changing solar UVB radiation, time in the sun, amount of skin exposed, and, possibly, diet. The Seasonal D Study was designed to quantify the amplitude and phase of seasonal variation in the serum concentration of 25-hydroxyvitamin D, (25OH)D)) and identify the determinants of the amplitude and phase and those of inter-individual variability in seasonal pattern. Methods: The Seasonal D Study collected data 2-monthly for 12 months, including demographics, personal sun exposure using a diary and polysulphone dosimeters over 7 days, and blood for serum 25(OH)D concentration. The study recruited 333 adults aged 18-79 years living in Canberra (35°S, n = 168) and Brisbane (27°South, n = 165), Australia. Discussion: We report the study design and cohort description for the Seasonal D Study. The study has collected a wealth of data to examine inter- and intra-individual seasonal variation in vitamin D status and serum 25(OH)D levels in Australian adults.

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Investigating the patterns and determinants of seasonal variation in Vitamin D status in Australian adults: The Seasonal D Cohort Study

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