The changing relationship between rainfall and children’s physical activity in spring and summer: a longitudinal study

Harrison, Flo, Van Sluijs, Esther M F, Corder, Kirsten, Ekelund, Ulf and Jones, Andy (2015) The changing relationship between rainfall and children’s physical activity in spring and summer: a longitudinal study. International Journal of Behavioral Nutrition and Physical Activity, 12 (1). ISSN 1479-5868

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Abstract

Background: Weather conditions, along with day length, are proposed as the main drivers of the seasonal patterns in children’s physical activity (PA), but little is known about how they affect children at different ages. This study examines the relationship between rainfall and PA in a longitudinal cohort of initially 9-10 year-old children in Norfolk, UK. Methods: Participants were 283 children from the SPEEDY study who wore accelerometers ≤7 days on three occasions in the summer of 2007, 2008 and 2011 at ages 9-10, 10-11, and 13-14y. Daily weather data were obtained for two local weather stations. Relationships between rainfall and PA (moderate-to-vigorous-PA (MVPA; ≥2000) vigorous PA (VPA; ≥4000), counts per minute (cpm)) and sedentary time were assessed in multiple-membership multilevel models. PA was assessed over the whole day, and over parts of the school day; commute time (8am-9am and 3pm-4pm), lunchtime (12noon-2pm), and after school (4pm-9pm). Results: At ages 9-10 and 10-11y, PA declined with increasing rainfall, with an average of 14.0 (SE 2.9) and 11.4 (3.0) minutes less MVPA on the wettest days (≥1.7mm rain) compared to dry days respectively. There was no significant trend in MVPA across rainfall categories at age 13-14 years. Between ages 9-10 and 13-14, MVPA decline was largest on dry days (-15.2 (2.7) minutes). These patterns were also apparent during school lunchtime and after school, however they were not seen during school commute times. Similar patterns were seen for other PA intensities. Conclusions: Increased rainfall is associated with significant decreases in PA among primary school children, but not secondary school children. PA declines most steeply between the ages of 9-10 and 13-14 on dry days. Interventions to increase activity on wet days may be most relevant at primary schools. Our results also highlight the importance of habitualising behavior to make children more resilient both to bad weather, and potentially age-related decline in activity.

Item Type: Article
Uncontrolled Keywords: physical activity,weather,school,children,rainfall
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: Pure Connector
Date Deposited: 23 Mar 2015 14:14
Last Modified: 29 Jun 2020 23:45
URI: https://ueaeprints.uea.ac.uk/id/eprint/52822
DOI: 10.1186/s12966-015-0202-8

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