Compositional Data Analysis in Time-Use Epidemiology

Dorothea Dumuid (), Željko Pedišić (), Javier Palarea-Albaladejo (), Josep Antoni Martín-Fernández (), Karel Hron () and Timothy Olds ()
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Dorothea Dumuid: University of South Australia, Allied Health & Human Performance, Alliance for Research in Exercise, Nutrition and Activity (ARENA)
Željko Pedišić: Institute for Health and Sport, Victoria University
Javier Palarea-Albaladejo: Biomathematics and Statistics Scotland
Josep Antoni Martín-Fernández: University of Girona, Department of Computer Science, Applied Mathematics and Statistics
Karel Hron: Palacký University, Department of Mathematical Analysis and Applications of Mathematics
Timothy Olds: University of South Australia, Allied Health & Human Performance, Alliance for Research in Exercise, Nutrition and Activity (ARENA)

A chapter in Advances in Compositional Data Analysis, 2021, pp 383-404 from Springer

Abstract: Abstract How we allocate time to activities impacts our health. Daily times spent in activities are interrelated because they compete for time-shares within a finite 24 h window. If more time is spent in one activity, time must be taken from one or more of the remaining activities to maintain the fixed total of 24 h. Thus, time-use data have a relative nature and can be analysed accordingly using compositional data analysis. In this chapter, we demonstrate exploratory and cross-sectional inferential analyses of an eight-part time-use composition using data from the Longitudinal Study of Australian Children (n = 2224, 52% boys, mean age = 34 months, standard deviation = 3). For inferential analyses, time-use compositions are expressed as a specific choice of balance coordinates to separate between types of activities. Considering the balance coordinates as explanatory variables, we explore the relationship between children’s time-use composition and their socio-emotional health. Subsequently, we consider the balance coordinates as dependent variables and explore the relationship between parental perception of neighbourhood liveability and their child’s time-use composition.

Date: 2021
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DOI: 10.1007/978-3-030-71175-7_20

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