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  1. Biosocial factors affecting vitamin D status of women of childbearing age in the united arab emirates.

    Article - En anglais

    Low serum 25-OHD in female Arab subjects, which may predispose their infants to hypocalcaemia, has been suggested to be due to inadequate sunshine exposure, but may include other sociobiological factors.

    The effects of duration of sunshine exposure - weighted against the magnitude of clothing (UV exposure) and other sociobiological variables such as age, education and living accommodation on serum 25-OHD and mineral status of 33 UAE national women of childbearing age were compared with those of 25 non-Gulf Arabs and seventeen Europeans.

    Serum concentrations of calcium, phosphorus, alkaline phosphatase and intact parathyroid hormone among the groups were not significantly different.

    The serum concentration of 25-OHD in UAE nationals was 8.6 ng/ml (4.5-17.4) mean± 1 SD, and in non-Gulf Arabs 12.6 ng/ml (6.0-26.4) ; both these values were significantly lower (p=<0.0001) than the 64.3 ng/ml (49-84.3) found in Europeans.

    Compared with Europeans, the UAE and non-Gulf Arabs in this study were younger, had fewer years of education and had significantly lower clothing and UV scores (p<0.0001).

    Furthermore, there was a positive correlation (r=0.59425) between serum 25-OHD and UV score, but not with length of exposure.

    After adjusting for other confounding variables, nationality, clothing and UV scores remained major determinants of serum 25-OHD (p<0.0001).

    Therefore, limited skin exposure to sunlight appears to be an important determinant of vitamin D status in our subjects. (...)

    Mots-clés Pascal : Vitamine D, Déficit, Mode de vie, Age, Niveau étude, Statut socioéconomique, Epidémiologie, Facteur risque, Adulte jeune, Homme, Femelle, Emirats Arabes Unis, Asie

    Mots-clés Pascal anglais : Vitamin D, Deficiency, Life habit, Age, Education level, Socioeconomic status, Epidemiology, Risk factor, Young adult, Human, Female, United Emirates, Asia

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0510803

    Code Inist : 002B30A02A. Création : 23/03/1999.