Impact of a voluntary industry code for advertising food to children and young people: an analysis of New Zealand television data.

Between 2015 and 2018, children and young people's television exposure to unhealthy food advertising decreased. However, almost two-thirds of all food advertisements were still unhealthy, and the updated ASA code excluded the times when the greatest number of children were watching television. Consequently, government regulation and regular monitoring should reflect the evolving food marketing environment.