Serum vitamin D concentrations among elderly people in Europe

Author(s): Van Der Wielen RP, Lowik MR, Van Den Berg H, de Groot LC, Haller J, et al.

Abstract

Vitamin D status decreases with age, mainly as a result of restricted sunlight exposure, reduced capacity of the skin to produce vitamin D, and reduced dietary vitamin D intake. We measured wintertime serum 25-hydroxyvitamin D [25(OH)D] concentrations in 824 elderly people from 11 European countries. 36% of men and 47% of women had 25(OH)D concentrations below 30 nmol/L. Users of vitamin D supplements and/or sunlamps had higher 25(OH)D (median 54 nmol/L) than non users (median 31 nmol/L). Surprisingly, lowest mean 25(OH)D concentrations were seen in southern European countries. Low 25(OH)D concentrations could largely be explained by attitudes towards sunlight exposure and factors of physical health status, after exclusion of users of vitamin D supplements or sunlamps. Problems with daily living activities and wearing clothes with long sleeves during periods of sunshine were strong predictors of low wintertime serum 25(OH)D concentrations. These findings show that free-living elderly Europeans, regardless of geographical location, are at substantial risk of inadequate vitamin D status during winter and that dietary enrichment or supplementation with vitamin D should be seriously considered during this season.

Similar Articles

Haute Autorite De Sante

Author(s): Strategie de prise en charge en cas de denutrition proteino-energetique chez la personne agee

who

Author(s): https://www

Vitamine D:effet osseux et extra osseux; recommandations de bon usage

Author(s): Briot K, Audran M, Cortet B, Fardellone P, Marcelli C, et al.

Etude du profil immunitaire de sujets âgés hospitalisés en unité de court séjour gériatrique

Author(s): Crétel E, Veena I, Pierres A, Binana Y, Robert P, et al.

Personal sun exposure and serum 25-hydroxy vitamin D concentrations

Author(s): Nair-Shalliker V, Clements M, Fenech M, Armstrong BK

Vitamin D deficiency

Author(s): Holick MF

Deficient production of 1,25-dihydroxyvitamin D in elderly osteoporotic patients

Author(s): Slovik DM, Adams JS, Neer RM, Holick MF, Potts JT

wikipedia

Author(s): http://en

Vitamin D deficiency in veiled Kuwait women

Author(s): El Sonbaty MR, Abdul Ghaffar NU

Clothing preference affects vitamin D status of young women

Author(s): Buyukuslu N, Esin K, Hizli H, Sunal N, Yigit P, et al.

Food sources of vitamin D and their association with 25-hydroxyvitamin D status in Dutch older adults

Author(s): Vaes AMM, Brouwer-Brolsma EM, Van Der Zwaluw NL, Van Wijngaarden JP, Berendsen AAM, et al.

Vitamin D status in Sri Lankans living in Sri Lanka and Norway

Author(s): Meyer HE, Holvik K, Lofthus CM, Tennakoon SU

Relationship between serum parathyroid hormone levels, vitamin D sufficiency, and calcium intake

Author(s): Steingrimsdottir L, Gunnarsson O, Indridason OS, Franzson L, Sigurdsson G

Vitamin D and body composition in the elderly

Author(s): Vitezova A, Muka T, Carola Zillikens M, Voortman T, Uitterlinden AG, et al.

Hypovitaminosis D among rheumatology outpatients in clinical practice

Author(s): Mouyis M, Ostor AJ, Crisp AJ, Ginawi A, Halsall DJ, et al.

Vitamin D status and arterial hypertension: a systematic review

Author(s): Pilz S, Tomaschitz A, Ritz E