University of Cambridge > Talks.cam > MRC Epidemiology and CEDAR Seminars > Building your best day: combining compositional analysis and optimisation theory

Building your best day: combining compositional analysis and optimisation theory

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The foundational principle of behavioural epidemiology is that the way we use our time— physical activity, sleep, sitting, social interactions — affects our health, everything from asthma to eczema. Typically these studies have been done by regressing a health outcome (say depression) against a behavioural domain, such as physical activity. However, because time use data are co-dependent, any change in time allocated to one domain must be matched by an equal and opposite allocation to the other domains collectively.

This presentation will show some examples of the application of compositional data analysis (CoDA) as a new approach to time-use data. By combining CoDA with optimisation theory, we can move towards specifying the best possible 24-hour day for any given health outcome or set of outcomes.

This talk is part of the MRC Epidemiology and CEDAR Seminars series.

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