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Rev Alerg Mex. 2017 Jul-Sep;64(3):277-290.

[Influence of lifestyle, diet and vitamin D on atopy in a population of Afro-descendant Colombian children].

[Article in Spanish; Abstract available in Spanish from the publisher]

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Universidad de Cartagena, Facultad de Odontología, Grupo de Investigaciones GITOUC, Cartagena de Indias, Colombia.


in English, Spanish


Allergic conditions have shown an increase in the past few decades. Hygiene, changes in lifestyle, diet and vitamin D have been blamed for this increase.


To determine the role of environment, diet and vitamin D in atopic diseases in a population of Colombian Afro-descendant children.


Cross-sectional, descriptive, observational study in 200 Afro-descendant children of rural and urban areas from northern Colombia. Lifestyle and diet were established by questionnaires, atopy was assessed with skin tests and total and specific IgE and vitamin D levels were determined by ELISA.


Results: Atopy was more prevalent in the urban population (24 % versus 7 %, p < 0.001). Blomia tropicalis was the most common allergen (80.6 %). The PCA indicated two dietary patterns. In the rural area children, the consumption of dairy products and fruit/vegetables was higher, and related with a protective effect on atopy (OR, 0.21 [p < 0.027] and OR, 0.11 [ p < 0.04]). A similar pattern was observed with total IgE and vitamin D levels (2450.73 versus 777.56 kU/mL [p < 0.01] and 59.32 ng/mL versus 31.14 ng/mL [p < 0.001], respectively).


Allergic conditions were less prevalent in rural area residents, possibly owing to higher consumption of unpasteurized dairy products and fruit/vegetables, as well as higher levels of vitamin D.


; Atopy; Diet; Life style; Vitamin D


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