Journal article

Do children's expectations about future physical activity predict their physical activity in adulthood?

Benedetta Pongiglione, Margaret L Kern, JD Carpentieri, H Andrew Schwartz, Neelaabh Gupta, Alissa Goodman

International Journal of Epidemiology | OXFORD UNIV PRESS | Published : 2020

Abstract

BACKGROUND: Much of the population fails to meet recommended physical activity (PA) levels, but there remains considerable individual variation. By understanding drivers of different trajectories, interventions can be better targeted and more effective. One such driver may be a person's physical activity identity (PAI)-the extent to which a person perceives PA as central to who they are. METHODS: Using survey information and a unique body of essays written at age 11 from the National Child Development Study (N = 10 500), essays mentioning PA were automatically identified using the machine learning technique support vector classification and PA trajectories were estimated using latent class a..

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Grants

Awarded by Economic and Social Research Council


Awarded by ESRC


Funding Acknowledgements

This work was supported by the Economic and Social Research Council (reference ES/N00650X/1 and ES/M008584/1). We also thank ESRC for its support of the National Child Development Study and the wider activities of the Centre for Longitudinal Studies, through the CLS Resource Centre 2015-2020 (reference ES/M001660/1).