NZ children are surrounded by junk food ads

New research shows NZ children are surrounded by junk food ads

New Zealand children are exposed to around 27 unhealthy food advertisements per day, innovative camera research from Otago and Auckland Universities reveals. The research found children were frequently exposed, across multiple settings, to marketing of unhealthy foods not recommended to be marketed to children.

Most common were ads for sugary drinks, fast food, confectionary and snack foods, and the most common marketing medium was product packaging followed by signs. Lead researcher Associate Professor Louise Signal says the study provides further evidence of the need for urgent action to reduce children’s exposure to marketing of unhealthy foods.

“Children in the study were exposed to unhealthy food ads in multiple places via multiple media – including an average of seven unhealthy food ads at school and eight in public places.

“These junk food ads are littering children’s lives,” says Associate Professor Signal, from the Department of Public Health at the University of Otago, Wellington.

Children are more than twice as likely to be exposed to unhealthy food marketing compared to healthy food marketing. The research suggests that our children live in an ‘obesogenic’ world – one that promotes obesity as a normal response to their everyday environment.

The researchers are calling for urgent Government action to clean up the junk food advertisements surrounding children to help reduce obesity.

"The findings are a real concern given high rates of obesity amongst NZ children and the known influence of marketing on children's food choices,” says the overall programme director Professor Cliona Ni Mhurchu from the University of Auckland.

The study, Kids’Cam, is a world first. The researchers used automated wearable cameras and GPS units to study the children’s world. 168 children between the ages of 11 and 13 took part in the study, wearing the devices which recorded photos every seven seconds and locations every five seconds over four days.

The children were randomly selected and recruited from 16 randomly selected schools in the Wellington region.

Today’s research was published in the International Journal of Behavioral Nutrition & Physical Activity and reports on the main study, Kids’Cam Food Marketing, which examined the frequency and nature of children’s exposure to food and beverage marketing.

Junk food marketing contributes to the worldwide increase in childhood obesity by encouraging the repeat purchase and consumption of unhealthy foods. The World Health Organization (WHO) Commission on Ending Childhood Obesity (ECHO) recommends that such marketing should be reduced and that ‘settings where children and adolescents gather (such as schools and sports facilities or events) should be free of marketing of unhealthy food and sugar-sweetened beverages’.

In New Zealand, the industry self-regulating Children’s Code for Advertising Food states that ‘food advertisements should not undermine the food and nutrition policies of Government, the Ministry of Health Food and Nutrition Guidelines nor the health and well-being of children’.

“Our research shows that this is clearly not working. It is time for government regulation of food marketing,” says Associate Professor Signal

“Working with the children was a great privilege. They were wonderful researchers,” she says. It is important that children’s view is considered in decisions about their world. Often they are the ones best placed to inform adults, as in this study,” she says.

“Further, New Zealand is obligated to consider children’s views under the United Nations Convention on the Rights of the Child.”

Many ancillary projects using the Kids’Cam data will come out of this study. Analyses of the data have been occurring since 2015 and there will be studies on many other aspects of children’s world, including studies of children’s exposure to alcohol, smoking, and gambling, and their use of “green” space, transport, and sun protection. A parallel study has also been completed with 108 similar aged children in Tonga.

The research was funded by the Health Research Council of NZ as part of the DIET research programme (13/724) led by Professor Cliona Ni Mhurchu at the University of Auckland.

Read the full paper here.

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