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  • Title: Solar UV exposure of primary schoolchildren in Valencia, Spain.
    Author: Serrano MA, Cañada J, Moreno JC.
    Journal: Photochem Photobiol Sci; 2011 Apr; 10(4):523-30. PubMed ID: 21180746.
    Abstract:
    To quantify schoolchildren's exposure to ultraviolet erythemal radiation (UVER), personal dosimeters (VioSpor) were used to measure biologically effective ultraviolet (UV) radiation received in the course of their daily school activities. The study took place in two primary schools in Valencia (39°28'N), Spain, for several weeks from March 2008 until May 2009, with two age groups (6-8 years and 10-11 years) and involved about 47 schoolchildren. The median daily UV exposure values for all age groups and solar height intervals considered in the study ranged from 1.31 to 2.11 standard erythemal doses (SEDs). Individual UV exposure was analyzed as a function of age, gender and dosimeter position. Significant statistical differences were found between different age groups, with the younger age group receiving higher statistically significant UVER exposure. It was also found that boys received significantly higher UVER exposure than girls. It was also noted that shoulder dosimeters registered higher readings than wrist dosimeters. Exposure ratio (ER) is defined as the ratio between the personal dose on a selected anatomical site and the corresponding ambient dose on a horizontal plane. The median ER for all age groups and solar height intervals in the study range from 4.5% to 10.7%, with higher values at lower solar heights.
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