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Risk factors for vitamin D inadequacy among women with osteoporosis: an international epidemiological study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
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2006 (English)In: International journal of clinical practice (Esher), ISSN 1368-5031, E-ISSN 1742-1241, Vol. 60, no 8, 1013-1019 p.Article in journal (Refereed) Published
Abstract [en]

A serum 25-hydroxyvitamin D [25(OH)D] level of 75 nmol/l (30 ng/ml) has been proposed as the minimum for adequate vitamin D nutrition as lower levels are associated with increases in serum parathyroid hormone in otherwise healthy adults. Amongst 2589 community-dwelling, postmenopausal women with osteoporosis from 18 countries, recruited to determine risk factors for vitamin D inadequacy, 64% had vitamin D inadequacy. General health, education, ethnicity, sun exposure, skin reactivity, diet, recent travel to sunny climates, vitamin D supplementation, body mass index (BMI), season and latitude were assessed using logistic regression models. Asian ethnicity, BMI >= 30 kg/m(2), living in non-equatorial countries, inadequate vitamin D supplementation, poor/fair health, no education about vitamin D, skin reactivity and no recent travel to sunny areas were significant predictors. Several modifiable risk factors are associated with vitamin D inadequacy worldwide, suggesting potentially simple ways to increase vitamin D and improve bone health in postmenopausal women.

Place, publisher, year, edition, pages
2006. Vol. 60, no 8, 1013-1019 p.
Keyword [en]
Adult, Aged, Aged; 80 and over, Calcifediol/blood/*deficiency, Cross-Sectional Studies, Environmental Exposure/statistics & numerical data, Female, Humans, Middle Aged, Osteoporosis; Postmenopausal/blood/*epidemiology, Residence Characteristics, Risk Factors, Skin Pigmentation, Sunlight, Vitamin D Deficiency/blood/*epidemiology, World Health
National Category
Pharmacology and Toxicology
URN: urn:nbn:se:uu:diva-14751DOI: 10.1111/j.1742-1241.2006.01066.xISI: 000239005400022PubMedID: 16893446OAI: oai:DiVA.org:uu-14751DiVA: diva2:42522

Erratum in International Journal of Clinical Practice 2007 61(3) p. 534 DOI: 10.1111/j.1742-1241.2007.01326.x

Available from: 2008-01-31 Created: 2008-01-31 Last updated: 2016-08-25Bibliographically approved

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