Vitamin D Intake, Sunlight Exposure and 25-Hydroxyvitamin D Levels in the Elderly during One Year
- 1 January 1984
- journal article
- research article
- Published by S. Karger AG in Annals of Nutrition and Metabolism
- Vol. 28 (3), 144-150
- https://doi.org/10.1159/000176796
Abstract
Three groups of elderly people (65-80 yr) were studied as regards their serum 25-hydroxyvitamin D (25-OH-D) concentrations, their dietary vitamin D intake and sunlight exposure during 1 yr: group 1 (long-stay geriatric patients); group 2 (residents at an old people''s home) and group 3 (elderly people living in their own homes). Young adults (30-50 yr) served as controls. The 25-OH-D concentration in group 1 was significantly lower during the whole year than in any other group and the concentration in group 2 was significantly lower than in group 3 and the controls. The low 25-OH-D level in the long-stay geriatric patients and in the residents at the old people''s home is a consequence of both a low dietary vitamin D intake and a low exposure to sunlight.Keywords
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