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Sun exposure and vitamin D status as northeast asian migrants become acculturated to life in Australia

Guo, Shu-Yu; Gies, Peter; King, Kerryn; Lucas, Robyn

Description

Vitamin D deficiency is more common in Northeast-Asian immigrants to western countries than in the local population; prevalence equalizes as immigrants adopt the host country's culture. In a community-based study of 100 Northeast-Asian immigrants in Canberra, Australia, we examined predictors of vitamin D status, its association with indicators of acculturation (English language use; time since migration) and mediators of that association. Participants completed a sun and physical activity...[Show more]

dc.contributor.authorGuo, Shu-Yu
dc.contributor.authorGies, Peter
dc.contributor.authorKing, Kerryn
dc.contributor.authorLucas, Robyn
dc.date.accessioned2015-12-13T22:34:37Z
dc.identifier.issn0031-8655
dc.identifier.urihttp://hdl.handle.net/1885/76209
dc.description.abstractVitamin D deficiency is more common in Northeast-Asian immigrants to western countries than in the local population; prevalence equalizes as immigrants adopt the host country's culture. In a community-based study of 100 Northeast-Asian immigrants in Canberra, Australia, we examined predictors of vitamin D status, its association with indicators of acculturation (English language use; time since migration) and mediators of that association. Participants completed a sun and physical activity diary and wore an electronic ultraviolet radiation (UVR) dosimeter for 7 days. Skin colour was measured by reflectance spectrophotometry. Serum concentrations of 25-hydroxyvitamin D (25(OH)D) and cardio-metabolic biomarkers were measured on fasting blood. In a multiple linear regression model, predictors for 25(OH)D concentration were season of blood collection, vitamin D supplementation, UVR exposure, body mass index, physical activity and having private health insurance (R2 = 0.57). Greater acculturation was associated with lower risk of vitamin D deficiency (de-seasonalized 25(OH)D level <50 nmol L-1) (Adjusted Odds Ratio (AOR): 0.22 [95%CI 0.04-0.96]); this association was statistically mediated by physical activity and time outdoors. Vitamin D deficiency was associated with higher total cholesterol levels (>5.0 mmol L-1) (AOR: 7.48 [95%CI 1.51-37.0]). Targeted public health approaches are required to manage the high prevalence of vitamin D deficiency in migrants retaining a traditional lifestyle.
dc.publisherAmerican Society of Photobiology
dc.sourcePhotochemistry and Photobiology
dc.titleSun exposure and vitamin D status as northeast asian migrants become acculturated to life in Australia
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume90
dc.date.issued2014
local.identifier.absfor020000 - PHYSICAL SCIENCES
local.identifier.ariespublicationU3488905xPUB5068
local.type.statusPublished Version
local.contributor.affiliationGuo, Shu-Yu, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationLucas, Robyn, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationGies, Peter, Australian Radiation Protection and Nuclear Safety Agency
local.contributor.affiliationKing, Kerryn, Australian Radiation Protection and Nuclear Safety Agency
local.description.embargo2037-12-31
local.bibliographicCitation.issue6
local.bibliographicCitation.startpage1455
local.bibliographicCitation.lastpage1461
local.identifier.doi10.1111/php.12349
dc.date.updated2015-12-11T09:22:43Z
local.identifier.scopusID2-s2.0-84915756766
local.identifier.thomsonID000345217800032
CollectionsANU Research Publications

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