Vitamin D status is associated with sun exposure, vitamin D and calcium intake, acculturation and attitudes in immigrant East Asian women living in Sydney

Brock, Kaye E.; Liang, Ke; Tseng, Marilyn; Clemson, Lindy; Koo, Fung Kuen; Jang, Hohyoun; Seibel, Markus J.; Mpofu, Elias; Fraser, David R.; Mason, Rebecca S.

doi:10.1016/j.jsbmb.2012.12.005

Cited by 26 publications

(18 citation statements)

References 19 publications

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“…Vitamin D deficiency (<50 nmol L −1 ) was common in this population, with higher prevalence in spring/winter than in summer/autumn, as has been previously described for Sydney, Australia and more generally for the Australian population . In the Australian Health Survey, 63.7% of Australians born in North East Asia were vitamin D deficient (<50 nmol L −1 ) compared to 17.0% of those born in Australia.…”

Section: Discussionsupporting

confidence: 78%

“…As in a previous study (2), acculturated Northeast Asian Australians tended to engage in more leisure-time physical activities than those with a more traditional lifestyle. Our results indicate that greater time outdoors and physical activity are likely mediators of the better vitamin D status of acculturated Northeast Asians compared to those with a traditional lifestyle.…”

Section: Discussionsupporting

confidence: 63%

“…Interestingly, men did not have better vitamin D status than women. In other studies of Northeast Asians living in Australia, women are considered to be an “at risk” group for vitamin D deficiency . Furthermore, here vitamin D deficiency was more common in younger, compared to older, Northeast Asian Australians.…”

Section: Discussionmentioning

confidence: 94%

“…Here we extend these analyses using objective measures of skin type and sun exposure, measuring acculturation using a validated scale, in both men and women from a broader range of Northeast Asian origins living in Canberra, Australia, with data collected across a full year. We explore: (1) the determinants of vitamin D status (measured as the serum 25-hydroxyvitamin D [25(OH)D] level); (2) the association between acculturation and vitamin D status, and its potential mediators; and (3) the inter-relationships between vitamin D status, cardio-metabolic health, and acculturation.…”

Section: Introductionmentioning

confidence: 99%

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Sun Exposure and Vitamin D Status as Northeast Asian Migrants Become Acculturated to Life in Australia

Guo

Gies²,

King³

et al. 2014

Photochem & Photobiology

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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 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 (R(2) = 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.

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Section: Discussionsupporting

confidence: 78%

Section: Discussionsupporting

confidence: 63%

Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Sun Exposure and Vitamin D Status as Northeast Asian Migrants Become Acculturated to Life in Australia

Guo

Gies²,

King³

et al. 2014

Photochem & Photobiology

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“…42 Lower 25(OH)D 3 concentrations among East Asian individuals have been reported previously. 43 Therefore, the markedly lower 25(OH)D 3 concentrations in participants with East Asian compared to Northern European ancestry in our cohort was not unexpected. However, it was interesting to note that the East Asian group also had a higher prevalence of myopia.…”

Section: Discussionmentioning

confidence: 53%

Myopia Is Associated With Lower Vitamin D Status in Young Adults

Yazar

Hewitt

Black

et al. 2014

Invest. Ophthalmol. Vis. Sci.

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Myopic participants had significantly lower 25(OH)D₃ concentrations. The prevalence of myopia was significantly higher in individuals with vitamin D deficiency compared to the individuals with sufficient levels. Longitudinal studies are warranted to investigate whether higher serum 25(OH)D₃ concentration is protective against myopia or whether it is acting as a proxy for some other biologically effective consequence of sun exposure.

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