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Pupils' use of school outdoor play settings across seasons and its relation to sun exposure and physical activity

Artikel i vetenskaplig tidskrift
Författare Peter Pagels
Ulf Wester
Fredrika Mårtensson
Peter Guban
Anders Raustorp
Andreas Fröberg
Margareta Söderström
Cecilia Boldemann
Publicerad i Photodermatology Photoimmunology and Photomedicine
Publiceringsår 2020
Publicerad vid Institutionen för kost- och idrottsvetenskap
Språk en
Länkar doi: 10.1111/phpp.12558
Ämneskategorier Hälsovetenskaper

Sammanfattning

Background: Long outdoor stay may cause hazardous exposure to ultraviolet radiation (UVR) from the sun even at high latitudes as in Sweden (Spring to Autumn). On the other hand long outdoor stay is a strong predictor of primary school children´s free mobility involving moderate to vigorous physical activity (MVPA). UV protective outdoor environments enables long outdoor stay. We investigated the concurrent impact of different school outdoor play settings upon pupils´ sun exposure and levels of physical activity across different ages, genders and seasons. Method: During one week each in September, March and May UVR exposure and MVPA were measured in pupils aged 7-11 years. Erythemally effective UVR exposure was measured by polysulphone film dosimeters, and MVPA by accelerometers.Schoolyard play was recorded on maps, and used areas defined as four play settings (fixed play equipment, paved surfaces, sport fields, green settings), categorized by season and gender. Results: During the academic year sport fields yielded the highest UVR exposures and generated most time in MVPA. In March, time outdoors and minutes in MVPA dropped and UVR exposures were suberythemal at all play settings. In May green settings and fixed play equipment close to greenery promoted MVPA and protected from solar overexposure during long outdoor stays. Conclusion: More outdoor activities in early spring are recommended. In May, greenery attractive for play could protect against overexposure to UVR, and stimulate both girls and boys to vigorous play.

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