Journal article

Child and adult snack food intake in response to manipulated pre-packaged snack item quantity/variety and snack box size: a population-based randomized trial

Jessica A Kerr, Pauline W Jansen, Fiona K Mensah, Kay Gibbons, Tim S Olds, John B Carlin, Susan A Clifford, David Burgner, Lisa Gold, Louise A Baur, Melissa Wake



OBJECTIVES: Snacks contribute to overconsumption of energy-dense foods and thence obesity. Previous studies in this area are limited by self-reported data and small samples. In a large population-based cohort of parent-child dyads, we investigated how modification of pre-packaged snack food, i.e. (a) item quantity and variety, and (b) dishware (boxed container) size affected intake. METHODS: Design: Randomized trial nested within the cross-sectional Child Health CheckPoint of the Longitudinal Study of Australian Children, clustered by day of visit. SAMPLE: 1299 11-12 year olds, 1274 parents. EXPOSURE: 2 × 2 manipulation of snack box container size and item quantity/variety: (1) small box, fe..

View full abstract


Awarded by Australian National Health and Medical Research Council (NHMRC)

Awarded by Royal Children's Hospital Foundation

Awarded by Financial Markets Foundation for Children

Awarded by NHMRC: MW

Awarded by Dutch Diabetes Foundation

Awarded by FKM

Awarded by LG

Awarded by National Heart Foundation of Australia

Funding Acknowledgements

The Child Health CheckPoint has been supported to date by the Australian National Health and Medical Research Council (NHMRC) (1041352, 1109355), The Royal Children's Hospital Foundation (2014-241), Murdoch Children's Research Institute, The University of Melbourne, National Heart Foundation of Australia (100660), Financial Markets Foundation for Children (2014-055), and Victorian Deaf Education Institute. The following authors were supported by the NHMRC: MW, Senior Research Fellowship 1046518; FKM, Early Career Fellowship 1037449, Career Development Fellowship 1111160; LG, Early Career Fellowship 1035100. PWJ was supported by the Dutch Diabetes Foundation (2013.81.1664), and MW additionally by Cure Kids New Zealand. Research at the Murdoch Children's Research Institute is supported by the Victorian Government's Operational Infrastructure Support Program.