International comparison of the levels and potential correlates of objectively measured sedentary time and physical activity among three-to-four-year-old children

Dias, Kaiseree I. and White, James and Jago, Russell and Cardon, Greet and Davey, Rachel and Janz, Kathleen F. and Pate, Russell R. and Puder, Jardena J. and Reilly, John J. and Kipping, Ruth (2019) International comparison of the levels and potential correlates of objectively measured sedentary time and physical activity among three-to-four-year-old children. International Journal of Environmental Research and Public Health, 16 (11). 1929. ISSN 1661-7827 (https://doi.org/10.3390/ijerph16111929)

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Abstract

Physical activity (PA) patterns track from childhood through to adulthood. The study aimed to determine the levels and correlates of sedentary time (ST), total PA (TPA), and moderate-to-vigorous PA (MVPA) in preschool-aged children. We conducted cross-sectional analyses of 1052 children aged three-to-four-years-old from six studies included in the International Children’s Accelerometry Database. Multilevel linear regression models adjusting for age, gender, season, minutes of wear time, and study clustering effects were used to estimate associations between age, gender, country, season, ethnicity, parental education, day of the week, time of sunrise, time of sunset, and hours of daylight and the daily minutes spent in ST, TPA, and MVPA. Across the UK, Switzerland, Belgium, and the USA, children in our analysis sample spent 490 min in ST per day and 30.0% and 21.2% of children did not engage in recommended daily TPA (≥180 min) and MVPA (≥60 min) guidelines. There was evidence for an association between all 10 potential correlates analyzed and at least one of the outcome variables; average daily minutes spent in ST, TPA and/or MVPA. These correlates can inform the design of public health interventions internationally to decrease ST and increase PA in preschoolers.

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