01:17am Monday 23 September 2019

Study reveals parents not immune to junk food adverstising

The research, led by Health Promotion Evaluation Unit Director Professor Simone Pettigrew, at The University of Western Australia, studied the impact of TV and Internet food advertising on more than 1000 Australian parents and 1000 children. The study was published this week in Public Health Nutrition. 

Researchers from UWA, the University of Adelaide and the Cancer Council surveyed parents and their children aged eight to 14 who viewed advertisements for four commonly advertised energy-dense but nutrient-poor foods. 

The maximum age of 14 is based on a previous assumption that up until this age children may be unable to activate the cognitive defences required to withstand advertising effects. Adults, by comparison, are considered to be sceptical of advertising and able to activate appropriate cognitive defences. 

After watching each ad once, the parents evaluated the products more favourably, had a greater desire to consume the products and thought they could eat them more frequently.

 Professor Pettigrew said the study results were particularly significant in public policy efforts to address childhood obesity and reliance on parents to responsibly evaluate and filter the effects of food advertising. 

“Adults are thought to have greater immunity to advertising effects relative to children due to their greater cognitive processing abilities,” she said. 

“As a result, existing food advertising regulations are focused primarily on limiting children’s exposure to advertisements for junk food. But these regulations don’t take into account the broader influence of the sheer quantity of junk food ads, which has the potential to normalise the consumption of these foods in a social sense. 

“The results of our study indicate that advertising can lead both parents and children to evaluate these products more favourably and influence how desirable and acceptable they are.”

Media references

Professor Simone Pettigrew (UWA School of Sport Science, Exercise and Health)  (+61 8)  6488 1437  /  (+61 4) 28 888 202
Michael Sinclair-Jones (UWA Public Affairs)  (+61 8)  6488 3229  /  (+61 4) 00 700 783

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