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Sun exposure at school.

A F Moise1, P G Büttner, S L Harrison

  • 1School of Public Health and Tropical Medicine, James Cook University, Townsville, Queensland, Australia. aurel.moise@jcu.edu.au

Photochemistry and Photobiology
|August 26, 1999
PubMed
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Childhood sun exposure significantly increases skin cancer risk. This study found students can receive up to 47% of their daily ultraviolet radiation (UVR) dose at school, highlighting the need for better shade structures.

Area of Science:

  • Environmental Health
  • Dermatology
  • Public Health

Background:

  • Childhood sun exposure is a key factor in skin cancer development.
  • Adolescents receive a significant portion of daily ultraviolet radiation (UVR) exposure during school hours.

Purpose of the Study:

  • To estimate the average daily erythemally effective UVR dose for grade 8 students at school.
  • To assess UVR exposure levels under shade structures and during outdoor activities.

Main Methods:

  • UV measurements of shade locations and student UVR dose estimation using a UV-Biometer.
  • Questionnaires and frequency counts to determine student behavior and time spent outdoors.
  • Calculation of annual and daily UVR doses for students.

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Main Results:

  • Up to 47% of the daily total UVR dose was received during school hours.
  • Students involved in sports without seeking shade could receive up to 14 standard erythemal doses (SED) daily.
  • The average annual UVR dose at school was 414 SED (2 SED/school day), with this dose exceeded on 31% of school days.

Conclusions:

  • Schools are significant sites for adolescent UVR exposure, contributing to skin cancer risk.
  • Current sun protection behaviors at school are often inadequate.
  • Improved design of school shade structures is crucial for reducing harmful UVR exposure.